ADC/DAC
Products (181)
AD9268 - Dual 16-Bit 125 MSPS ADC | Analog Devices
The AD9268 is a dual, 16-bit, 80 MSPS/105 MSPS/125 MSPS analog-to-digital converter (ADC) from Analog Devices. It operates from a 1.8 V supply and is designed for communications applications where high performance, low cost, small size, and versatility are required. The device features a pipelined architecture with integrated sample-and-hold circuits, a precision internal voltage reference, and a flexible digital output interface supporting both CMOS and LVDS output modes. An analog-to-digital converter (ADC) is a critical building block in signal processing chains, converting continuous analog signals into discrete digital values for processing by DSPs, FPGAs, or microcontrollers. The AD9268 belongs to the family of high-speed, high-resolution ADCs, positioned between lower-speed precision converters and ultra-high-speed RF-sampling converters. Its dual-channel architecture enables simultaneous sampling of two signals, which is essential for I/Q demodulation in communications receivers and for multi-phase monitoring in industrial systems. Key features of the AD9268 include a 16-bit resolution with a maximum sample rate of 125 MSPS, a spurious-free dynamic range (SFDR) of 90 dBc, and a signal-to-noise ratio (SNR) of 78 dBFS. The device supports both 1.8 V and 3.3 V digital output levels, and its power dissipation is typically 1.2 W at 125 MSPS. The AD9268 is pin-compatible with the AD9258 (14-bit), allowing a simple migration path between resolutions. It also shares pin compatibility with the AD9251, AD9231, and AD9204 families for lower sample rate, low-power applications. Technically, the AD9268 uses a multi-stage pipelined architecture with digital error correction, achieving high linearity and low noise. The internal voltage reference can be overridden via the SENSE pin for external reference operation, providing flexibility in gain and full-scale range settings. The device includes a clock duty cycle stabilizer, which maintains performance even with non-50% duty cycle clocks, and a data output format selectable between offset binary and twos complement. Typical applications include communications receivers (cellular base stations, point-to-point microwave links), radar systems, medical imaging (ultrasound), and industrial data acquisition. The dual-channel capability makes it ideal for diversity reception and I/Q demodulation, where two channels must be sampled simultaneously with matched performance. When designing with the AD9268, ensure a clean, low-jitter clock source to achieve the specified SNR and SFDR. The analog input should be driven with a differential amplifier or balun to optimize performance, and the power supply pins should be decoupled with 0.1 uF and 10 uF capacitors. The device is available in a 64-lead LFCSP package, which provides excellent thermal performance and a compact footprint.
AD9283S - 8-Bit 100 MSPS 3V ADC | Analog Devices
The AD9283S is an 8-bit monolithic sampling analog-to-digital converter (ADC) with an on-chip track-and-hold circuit, optimized for low cost, low power, small size, and ease of use. It operates at a 100 MSPS conversion rate with outstanding dynamic performance over its full operating range. The device is manufactured by Analog Devices and is available in a 20-lead SSOP package. An analog-to-digital converter (ADC) is a device that converts a continuous analog signal into a discrete digital representation. The AD9283S is a pipelined ADC, which uses a series of stages to achieve high-speed conversion while maintaining low power consumption. It is part of the broader category of data converters, which are essential in mixed-signal systems for bridging the analog and digital domains. Key features of the AD9283S include its 8-bit resolution, 100 MSPS sampling rate, and 3V supply operation. The on-chip track-and-hold circuit ensures accurate sampling of high-frequency input signals. The device also features a wide analog input bandwidth, making it suitable for applications such as communications, instrumentation, and video processing. Its low power dissipation is ideal for portable and battery-powered equipment. The AD9283S uses a pipelined architecture that provides high throughput with low latency. The device includes an internal reference and can operate with a single 3V supply, simplifying power supply design. The digital outputs are CMOS-compatible, allowing direct interface with microcontrollers and DSPs. The device is specified over the industrial temperature range of -40°C to +85°C. Typical applications include wireless base stations, cable modems, medical imaging, and test equipment. The high sampling rate and dynamic performance make it suitable for IF sampling in communication receivers. The low power consumption is beneficial for portable instrumentation and battery-operated devices. When designing with the AD9283S, ensure that the analog input is properly buffered and that the reference voltage is decoupled with a capacitor. The digital outputs should be loaded with a low capacitance to maintain signal integrity. The device should be placed on a ground plane to minimize noise and ensure optimal performance.
AD9680 - 14-Bit 1.25 GSPS Dual ADC | Analog Devices
The AD9680 is a dual, 14-bit, 1.25 GSPS/1 GSPS/820 MSPS/500 MSPS analog-to-digital converter (ADC) from Analog Devices. It features an on-chip buffer and sample-and-hold circuit designed for low power, small size, and ease of use. The device operates from a 1.2 V/2.5 V supply and is available in a 64-lead LFCSP (9x9 mm) package. It is recommended for new designs and is ideal for high-speed data acquisition, radar, and communications applications. An analog-to-digital converter (ADC) is a device that converts continuous analog signals into discrete digital numbers. The AD9680 is a high-speed, dual-channel ADC that samples at rates up to 1.25 GSPS, making it suitable for wideband signals. It uses a pipelined architecture to achieve high throughput with low latency. The device includes a JESD204B serial interface for high-speed data transfer to FPGAs or ASICs, reducing the number of I/O pins required. Key features include 14-bit resolution, dual-channel operation, and sample rates up to 1.25 GSPS. The device offers excellent dynamic performance with high SFDR and SNR, making it suitable for demanding applications. It also includes a programmable gain amplifier (PGA) and digital down-conversion (DDC) options for flexible signal processing. The JESD204B interface supports lane rates up to 15 Gbps, enabling high-speed data transfer. The AD9680 uses a pipelined ADC architecture with digital error correction, achieving high linearity and low noise. The on-chip buffer eliminates the need for external drivers, simplifying the front-end design. The device also includes a sample-and-hold circuit that ensures accurate sampling of high-frequency signals. The LFCSP package provides excellent thermal performance and is suitable for space-constrained designs. Typical applications include radar systems, software-defined radio, test and measurement equipment, and communications infrastructure. The AD9680's high sample rate and resolution make it ideal for capturing wideband signals with high fidelity. Its dual-channel configuration enables I/Q demodulation in quadrature receivers, reducing system complexity. When designing with the AD9680, ensure proper power supply decoupling and a clean clock source to achieve optimal performance. The JESD204B interface requires careful PCB layout to maintain signal integrity at high lane rates. Refer to the datasheet for recommended layout guidelines and configuration register settings.
AD9751ASTZ - 10-Bit 300 MSPS TxDAC+ DAC | Analog Devices
The AD9751ASTZ is a dual muxed port, ultra high-speed, single-channel, 10-bit CMOS digital-to-analog converter (DAC) from Analog Devices. It integrates a high-quality 10-bit TxDAC+ core, a voltage reference, and digital interface circuitry into a compact 48-lead LQFP (7x7 mm) package. The device supports update rates up to 300 MSPS, making it suitable for high-speed waveform generation, direct digital synthesis (DDS), and communications applications. A digital-to-analog converter (DAC) is an electronic component that converts digital binary data into an analog voltage or current signal. DACs are essential in systems where digital processing must interface with the analog world, such as audio playback, video rendering, and RF signal generation. The AD9751 belongs to the TxDAC+ family, a series of high-speed DACs optimized for transmit path applications in communication systems. These DACs are part of the broader data converter category, which includes ADCs and DACs, and are critical in mixed-signal processing chains. Key features of the AD9751ASTZ include a 10-bit resolution, a maximum update rate of 300 MSPS, and a dual muxed port interface that allows interleaved data input for high-speed operation. The device operates from a 3.0V to 3.6V supply, with a typical full-scale output current of 20 mA. It offers excellent AC and DC performance, including a spurious-free dynamic range (SFDR) of 68 dBc at 10 MHz output, and a low glitch energy of 5 pV-s. The integrated voltage reference simplifies design, while the 48-lead LQFP package provides a compact footprint for space-constrained applications. Technically, the AD9751 uses a segmented current-steering architecture, which balances speed and linearity. The dual muxed port allows the DAC to accept data from two parallel input ports, effectively doubling the data throughput. The device includes a clock input that latches data on the rising edge, and it supports both binary and two's complement input formats. The output is a differential current, which can be converted to a voltage using an external resistor or transformer. The device also features a power-down mode to reduce consumption when idle. Typical applications include base station transmit paths, arbitrary waveform generators, and high-speed instrumentation. In a base station, the AD9751 converts digital baseband signals to analog IF signals for upconversion. Its high update rate and low noise make it ideal for generating clean, wideband signals. In test equipment, it enables precise waveform synthesis for signal generation and modulation analysis. When designing with the AD9751ASTZ, ensure proper decoupling of the analog and digital supply pins, and use a low-jitter clock source to maximize SFDR. The output current should be terminated with a 50-ohm load or transformer to achieve optimal performance.
AD9751ASTZRL - 10-Bit 300 MSPS TxDAC+ DAC | Analog Devices
The AD9751ASTZRL is a dual muxed port, ultra high-speed, single-channel, 10-bit CMOS digital-to-analog converter (DAC) from Analog Devices. It integrates a high-quality 10-bit TxDAC+ core, a voltage reference, and digital interface circuitry into a compact 48-lead LQFP package. The device supports output update rates up to 300 MSPS, making it suitable for high-speed communication and signal synthesis applications. A digital-to-analog converter (DAC) is an electronic component that converts digital binary data into an analog voltage or current signal. DACs are essential in systems where digital processing must interface with the analog world, such as in transmitters, waveform generators, and audio equipment. The AD9751 belongs to the TxDAC+ family, which is optimized for high-speed, high-performance transmit paths in communication systems. Key features of the AD9751 include excellent spurious-free dynamic range (SFDR) and intermodulation distortion (IMD) performance, with SFDR to Nyquist at 25 MHz output of 64 dB. It also features an internal clock doubling PLL, differential current outputs, and a flexible digital interface. The device operates from a single 3.3V supply and includes a power-down mode for reduced power consumption. The AD9751 uses a segmented current-source architecture to achieve high linearity and low glitch energy. The dual muxed port architecture allows interleaving of data from two input ports, effectively doubling the data throughput. The internal PLL can double the input clock, simplifying system clocking. The device is specified over the industrial temperature range of -40°C to +85°C. Typical applications include base stations, wireless local loop, digital radio links, direct digital synthesis (DDS), and arbitrary waveform generation. The high update rate and excellent dynamic performance make it ideal for generating complex modulated waveforms in communication transmitters. When designing with the AD9751, careful attention to PCB layout is required to minimize parasitic capacitance and inductance, especially on the high-speed digital inputs and analog outputs. Proper decoupling of the analog and digital supplies is essential to achieve the specified dynamic performance.
AD9833BRUZ-REEL7 - 25MHz DDS Waveform Generator | Analog Devices
The AD9833BRUZ-REEL7 is a low power, programmable waveform generator from Analog Devices that produces sine, triangular, and square wave outputs. It operates from a 2.3 V to 5.5 V supply and consumes only 12.65 mW at 3 V, making it ideal for battery-powered and portable applications. The device features a 28-bit frequency register, allowing fine frequency resolution of 0.1 Hz at 25 MHz clock, and a 10-bit DAC for amplitude control. It communicates via a 3-wire SPI interface, simplifying integration with microcontrollers and DSPs. A Direct Digital Synthesis (DDS) IC is a type of waveform generator that uses digital signal processing to synthesize analog waveforms from a fixed-frequency reference clock. It is a key component in frequency synthesis, modulation, and signal generation systems. DDS devices are part of the broader category of data converters and signal generation ICs, which are essential in test equipment, communication systems, and medical devices. Key features include a 25 MHz maximum clock frequency, 28-bit frequency resolution, and a 10-bit DAC. The AD9833 supports multiple output waveforms, including sine, triangular, and square waves, and can be programmed to output a constant level or a modulated signal. The device also includes a power-down mode that reduces current consumption to 0.5 µA, extending battery life in portable applications. The AD9833 uses a phase accumulator architecture to generate waveforms with high accuracy and stability. The phase accumulator increments by a frequency tuning word (FTW) each clock cycle, and the output is read from a lookup table. This architecture allows for fast frequency hopping and precise phase control, making it suitable for applications such as frequency-shift keying (FSK) and phase-shift keying (PSK) modulation. Typical applications include function generators, frequency synthesizers, impedance spectroscopy, and time domain reflectometry (TDR). The device is also used in audio and vibration testing, where precise frequency control is required. Its low power consumption and small package make it suitable for portable and handheld instruments. When designing with the AD9833, ensure that the SPI interface is properly configured and that the reference clock is stable and accurate. The output amplitude is set by the full-scale current of the DAC, which can be adjusted with an external resistor. Proper decoupling of the power supply and careful PCB layout are essential to minimize noise and jitter.
ADADC85S12/883B - 12-Bit SAR ADC, 10us | Analog Devices
The ADADC85S12/883B is a high-speed, low-cost 12-bit successive approximation analog-to-digital converter (ADC) from Analog Devices, featuring an internal clock, reference, and comparator. It is packaged in a 32-pin SBDIP (Side-Brazed Dual Inline Package) and is designed for military and aerospace applications, meeting MIL-STD-883 Class B screening requirements. The device offers a conversion time of 10 microseconds and operates over the full military temperature range of -55°C to +125°C. An analog-to-digital converter (ADC) is a critical component in electronic systems that converts continuous analog signals into discrete digital values for processing by digital circuits. The ADADC85S12/883B is a successive approximation register (SAR) ADC, which uses a binary search algorithm to determine the digital output. SAR ADCs are known for their high speed and moderate resolution, making them suitable for applications such as data acquisition, industrial control, and military instrumentation. The ADADC85S12/883B integrates the clock, reference, and comparator on-chip, reducing external component count and simplifying design. Key features of the ADADC85S12/883B include 12-bit resolution, a 10-microsecond conversion time, and an internal reference and clock. The device operates from a single +5V supply and provides parallel output data. The MIL-STD-883 Class B screening ensures high reliability for defense and aerospace applications. The SBDIP package offers excellent thermal performance and is suitable for through-hole mounting. The ADADC85S12/883B uses a hybrid IC design that combines MSI digital and linear monolithic chips with a 12-bit monolithic DAC. This architecture provides modular performance and versatility while maintaining a compact size and low cost. The internal comparator and reference are trimmed for accuracy, ensuring consistent performance across the operating temperature range. Typical applications include military avionics, radar systems, missile guidance, and high-reliability industrial data acquisition. The device's wide temperature range and MIL-STD-883 qualification make it ideal for harsh environments. When designing with this ADC, ensure proper decoupling on the power supply and reference pins to minimize noise and achieve specified performance.
ADAQ4216BCPZ - 16-Bit 2MSPS μModule DAQ | Analog Devices
The ADAQ4216BCPZ is a μModule® precision data-acquisition (DAQ) signal chain solution from Analog Devices that integrates a 16-bit successive approximation register (SAR) analog-to-digital converter (ADC), a low-noise, low-distortion ADC driver, and a 1.8V low dropout (LDO) regulator into a single 178-ball BGA package. This integration reduces the development cycle of precision measurement systems by transferring the signal-chain design challenge of component selection, optimization, and layout from the designer to the device. With a guaranteed maximum ±3ppm INL and no missing codes at 16 bits, the ADAQ4216 achieves unparalleled accuracy for high-resolution measurement applications. A data acquisition system (DAQ) is a device that samples real-world analog signals and converts them to digital values for processing. The ADAQ4216 is a complete signal chain solution, meaning it includes the ADC, driver amplifier, and power regulation in one package, simplifying design and improving performance by minimizing parasitic effects. This μModule approach is part of the broader category of integrated signal chain solutions, which are essential in precision instrumentation, industrial control, and medical devices. Key features of the ADAQ4216 include a 16-bit resolution with a maximum sample rate of 2 MSPS, a SPI interface for digital communication, and an input range of -8V to +10V. The device operates from a 5V analog supply and a 1.8V digital supply, with a typical power dissipation of [DATA_NEEDED: power dissipation]. The integrated LDO provides a clean 1.8V supply for the ADC core, reducing external component count and improving noise performance. The ADAQ4216 uses a SAR architecture with auto-zeroing to cancel 1/f noise, resulting in a noise spectral density that is substantially uniform from DC to fS/2. This makes it ideal for applications requiring high accuracy and low noise, such as automated test equipment, industrial process control, and medical imaging. The device is specified over the industrial temperature range of -40°C to +85°C and is available in a 178-ball BGA package (14x9 mm). Typical applications include precision data acquisition systems, vibration analysis, and power quality monitoring. The integrated signal chain reduces board space and design time, making it suitable for space-constrained designs. When designing with the ADAQ4216, ensure proper decoupling of the power supplies and a clean ground plane to achieve the specified performance. The SPI interface allows easy connection to microcontrollers or FPGAs for data processing.
ADAQ4224BCPZ - 24-Bit 2MSPS μModule DAQ | Analog Devices
The Analog Devices ADAQ4224BCPZ is a μModule® precision data acquisition (DAQ) signal chain solution that integrates a complete signal chain into a single package, reducing the development cycle of precision measurement systems by transferring the design challenge of component selection, optimization, and layout from the designer to the device. It features a 24-bit, 2 MSPS ADC with guaranteed maximum ±1.0 ppm INL and no missing codes at 24 bits, achieving unparalleled accuracy for high-precision applications. A μModule is a complete system-in-package (SiP) that integrates multiple components—such as the ADC, reference, driver amplifier, and passive components—into a single package, simplifying design and reducing board space. The ADAQ4224 belongs to the precision data acquisition signal chain family, which is essential for applications requiring high resolution and accuracy, such as industrial process control, medical instrumentation, and scientific analysis. Key features include a 24-bit resolution, 2 MSPS sample rate, ±1.0 ppm INL, and a 178-BGA (14x9) package. The device supports both I2C and SPI digital interfaces, providing flexibility for various microcontroller and FPGA connections. The integrated signal chain ensures optimal performance by minimizing parasitic effects and layout-induced errors. The ADAQ4224 utilizes a precision ADC core with an integrated low-noise driver and reference, achieving high accuracy without external components. The μModule architecture reduces the need for external component selection and layout optimization, making it ideal for space-constrained designs. The device operates over a wide temperature range, ensuring reliable performance in demanding environments. Typical applications include industrial process control, medical instrumentation, scientific analysis, and automated test equipment. The high resolution and accuracy make it suitable for precision measurement systems where data integrity is critical. When designing with the ADAQ4224, ensure proper power supply decoupling and layout to maintain the high accuracy. The integrated signal chain simplifies design, but attention to grounding and thermal management is essential for optimal performance.
ADAQ4381-4BCPZ - Quad 14-Bit μModule DAQ | Analog Devices
The Analog Devices ADAQ4381-4BCPZ is a quad-channel, 14-bit data acquisition system (DAS) μModule that integrates multiple signal processing and conditioning blocks into a single 81-pin CSPBGA (8x8 mm) package. It combines a low noise, fully differential analog-to-digital converter (ADC), ADC drivers, a high precision 3.3 V reference chip, and a low-noise reference buffer, reducing end-system component count and design complexity. The device supports serial SPI interface and is compatible with 1.8 V, 2.5 V, and 3.3 V logic supplies via a separate logic supply pin. It is specified to operate over a temperature range of −40°C to +105°C. A data acquisition system (DAS) is a complete signal chain that samples analog signals, converts them to digital, and interfaces with a host processor. The ADAQ4381-4 is a μModule, a system-in-package that integrates the ADC, drivers, reference, and buffer, simplifying design and improving performance. It belongs to the hierarchy: μModule DAQ -> data acquisition system -> signal chain -> analog front end -> electronic system. Key features include 14-bit resolution, 4 MSPS sampling rate per channel, quad-channel simultaneous sampling, and a high precision 3.3 V reference. The integrated reference buffer ensures low noise and high accuracy. The device operates from a single 5 V analog supply and a separate logic supply, enabling flexible interface levels. The CSPBGA package offers excellent thermal and electrical performance, with a compact footprint for space-constrained designs. Technically, the ADAQ4381-4 uses a fully differential ADC architecture with integrated drivers, providing high input impedance and reduced external component requirements. The precision reference and buffer maintain low drift and high accuracy over temperature. The SPI interface allows easy configuration and data readout, with support for multiple devices on a single bus. The device includes power-down modes for low-power operation. Typical applications include industrial process control, automated test equipment, medical instrumentation, and multi-channel data logging. The quad-channel architecture is ideal for systems requiring simultaneous sampling of multiple signals, such as three-phase power monitoring or vibration analysis. The integrated reference and drivers reduce BOM cost and board space. When designing with this device, ensure proper decoupling of the analog and digital supplies, and use a clean ground plane to minimize noise. The SPI interface should be routed with controlled impedance to avoid signal integrity issues. The device requires an external clock or master clock input for conversion timing.
ADAQ7769-1BCPZ - 24-Bit 1MSPS μModule DAQ | Analog Devices
The Analog Devices ADAQ7769-1BCPZ is a 24-bit precision data acquisition (DAQ) μModule system that integrates signal conditioning, conversion, and processing blocks into a single system-in-package (SiP) design. This highly compact solution enables rapid development of high-performance precision DAQ systems. The device features a high input impedance, programmable gain amplifier (PGA), and an alias-free digital filter, making it ideal for applications requiring accurate measurement of dynamic signals. With a maximum sample rate of 1 MSPS and a 24-bit resolution, the ADAQ7769-1 delivers exceptional performance for industrial, instrumentation, and test and measurement applications. A data acquisition system (DAQ) is a device that samples analog signals and converts them to digital data for processing. The ADAQ7769-1 is a μModule (micro-module) DAQ, which means it encapsulates multiple functions—such as the input buffer, PGA, ADC, and reference—into one package. This integration simplifies design, reduces board space, and improves performance by minimizing parasitic effects. The μModule approach is part of a broader hierarchy: DAQ system → μModule → signal chain → analog-to-digital converter (ADC) → semiconductor. By integrating the entire signal chain, the ADAQ7769-1 reduces the need for external components and simplifies the design process. Key features of the ADAQ7769-1 include a high input impedance of 1 GΩ, a programmable gain of 0.1 to 64, and an alias-free digital filter that eliminates the need for external anti-aliasing filters. The device also supports a wide input voltage range of ±24 V, making it suitable for high-voltage sensing applications. The integrated reference buffer provides a low-noise, high-impedance reference input, ensuring accurate conversions. The device operates from a single 5 V supply and features a flexible SPI interface for configuration and data transfer. Technically, the ADAQ7769-1 uses a delta-sigma (ΔΣ) ADC architecture with a digital filter that provides alias-free operation. The device includes a precharge reference buffer and a full reference buffer, allowing the user to choose between ease of driving and high impedance. The device supports two configuration methods: register writes via SPI or hardware pin strapping for predefined modes. This flexibility simplifies integration into various systems. The device is specified for operation over the industrial temperature range of -40°C to +105°C. Typical applications include vibration monitoring, motor control, power quality analysis, and precision instrumentation. The high input impedance and programmable gain make it ideal for interfacing directly with sensors such as accelerometers and strain gauges. The alias-free operation ensures accurate measurement of high-frequency signals without the need for external filters. When designing with the ADAQ7769-1, it is important to provide a clean, low-noise power supply and a stable reference voltage. The device's integrated reference buffer simplifies reference driving, but external decoupling capacitors are recommended for optimal performance. Additionally, the SPI interface should be properly terminated to avoid signal integrity issues.
ADC912BW/883 - 12-Bit CMOS ADC | Analog Devices | Military
The ADC912BW/883 is a monolithic 12-bit accurate CMOS analog-to-digital converter (ADC) manufactured by Analog Devices (originally Precision Monolithics Inc.). It contains a complete successive-approximation ADC built with a high-accuracy D/A converter, a precision bipolar transistor high-speed comparator, and successive-approximation logic including a three-state bus interface for logic compatibility. The device operates over the full military temperature range of -55°C to +125°C and is packaged in a 24-pin ceramic DIP with through-hole terminals, making it suitable for harsh-environment and defense applications. An ADC (analog-to-digital converter) is an electronic component that converts continuous analog signals into discrete digital numbers, enabling digital systems to process real-world signals. The ADC912BW/883 is a successive-approximation ADC, which uses a binary search algorithm to determine the digital output, offering a good balance of speed and resolution. It is part of the broader family of data converters, which are essential in signal processing chains from sensors to microcontrollers and digital signal processors. Key features of the ADC912BW/883 include 12-bit resolution, a conversion time of 13.5 microseconds, and a maximum operating temperature of 125°C. The device uses CMOS technology, which provides low power consumption and high noise immunity. It offers binary and offset binary output formats, and the three-state bus interface allows direct connection to microprocessor data buses. The military temperature grade ensures reliable operation in extreme environments. Technically, the ADC912BW/883 integrates a precision D/A converter and a high-speed comparator, achieving high accuracy through laser-trimmed thin-film resistors. The successive-approximation register (SAR) logic controls the conversion sequence, and the three-state outputs facilitate easy interfacing with 8-bit or 16-bit microprocessors. The device requires a +5V supply and provides a typical integral linearity error of 0.0122%, ensuring accurate conversion. Typical applications include military avionics, radar systems, industrial process control, and high-reliability data acquisition systems. Its wide temperature range and through-hole package make it ideal for legacy systems and retrofits where reliability is paramount. The ADC912BW/883 is also suitable for test and measurement equipment requiring high precision and stability. When designing with this ADC, ensure proper decoupling of the power supply and reference inputs to minimize noise. The conversion start (SC) pin initiates conversions, and the end-of-conversion (EOC) output can be used for interrupt-driven data transfer. For best performance, use a low-impedance analog source and a stable reference voltage.
ADE9430ACPZ - 3-Phase Energy Metering IC | Analog Devices
The ADE9430ACPZ is a highly accurate, fully integrated, polyphase energy and power quality monitoring device from Analog Devices. It features seven high-performance, 24-bit sigma-delta ADCs, achieving 101 dB SNR at 8 kSPS with PGA = 1. The device supports a wide input voltage range of ±1 V (707 mV rms full scale at gain = 1) with differential inputs, and offers a maximum channel drift of ±25 ppm/°C including the ADC and internal reference. Housed in a 40-lead LFCSP-WQ (6x6 mm) package, it is designed for three-phase energy metering and power quality monitoring applications. A polyphase energy metering IC is a specialized integrated circuit that measures electrical parameters such as voltage, current, power, and energy in multi-phase power systems. It typically includes high-resolution ADCs, a digital signal processing (DSP) core, and communication interfaces to enable accurate monitoring and billing. The ADE9430 belongs to the class of energy measurement ICs, which are essential components in smart meters, industrial power monitoring, and grid infrastructure. Key features of the ADE9430ACPZ include seven 24-bit sigma-delta ADCs, 101 dB SNR, ±25 ppm/°C drift, and a SPI-compatible interface. The integrated high-end reference ensures low drift over temperature, making it suitable for precision measurement. The device operates over a wide temperature range and is available in a compact LFCSP package, enabling dense PCB layouts. The ADE9430's DSP core performs complex calculations for active, reactive, and apparent energy, as well as power quality parameters such as harmonics and sag/swell detection. This allows for real-time monitoring and analysis without external processing. The SPI interface facilitates communication with microcontrollers, and the device supports multiple operating modes for flexible configuration. Typical applications include three-phase smart meters, industrial power monitoring, and power quality analyzers. The high accuracy and low drift make it ideal for revenue-grade metering, while the power quality features support grid stability monitoring. The device is also used in EV charging stations and renewable energy systems. When designing with the ADE9430, ensure proper PCB layout for analog and digital separation to maintain SNR. Use appropriate anti-aliasing filters on the analog inputs and provide a clean power supply. The SPI interface should be isolated if used in high-voltage environments.