AD7175-2BRUZ-RL7 - 24-Bit 250kSPS Sigma-Delta ADC | Analog Devices
MPN: AD7175-2BRUZ-RL7 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $16.04 | $16.04 |
| 10 | $15.5 | $155.00 |
| 100 | $14.62 | $1,462.00 |
| 500 | $13.8 | $6,900.00 |
| 1,000 | $13 | $13,000.00 |
Drop-in alternatives for AD7175-2BRUZ-RL7 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
AD7175-2BRUZ
β Drop-Inπ Reference alternative (not in catalog)
AD7176-2BRUZ
β Drop-Inβ In Stock
$9.5 / Unit
View Datasheet βAD7172-2BRUZ-RL7
β Drop-Inβ In Stock
$10.6591 / Unit
View Datasheet βADS127L01
β‘ Same Packageπ Reference alternative (not in catalog)
AD7175-2BRUZ-RL7 Maximum Ratings & Electrical Characteristics
| Resolution | 24 bit |
| Number of Channels | 2 differential or 4 single-ended |
| Sampling Rate | 250 kSPS |
| Settling Time | 20 Β΅s |
| Input Type | Differential, Single-Ended |
| Interface Type | SPI |
| Analog Supply Voltage | 2 V to 5.5 V |
| I/O Supply Voltage | 2 V to 5.5 V |
| Operating Temperature Range | -40Β°C to +105Β°C |
| Package | 24-TSSOP |
| Mounting Type | Surface Mount |
| Reference Type | External |
| Digital Filter | Configurable, 50/60 Hz rejection |
| Input Buffers | True rail-to-rail |
| RoHS Status | Compliant |
AD7175-2BRUZ-RL7 Pin Configuration
| Pin 1 | AVDD β Analog power supply |
| Pin 2 | AIN0 β Analog input 0 |
| Pin 3 | AIN1 β Analog input 1 |
| Pin 4 | AIN2 β Analog input 2 |
| Pin 5 | AIN3 β Analog input 3 |
| Pin 6 | REF+ β Positive reference input |
| Pin 7 | REF- β Negative reference input |
| Pin 8 | GND β Ground |
| Pin 9 | SCLK β Serial clock input |
| Pin 10 | DIN β Serial data input |
| Pin 11 | DOUT β Serial data output |
| Pin 12 | CS β Chip select |
| Pin 13 | SYNC β Synchronization input |
| Pin 14 | IOVDD β I/O power supply |
| Pin 15 | DGND β Digital ground |
| Pin 16 | MCLK β Master clock input |
| Pin 17 | GPIO0 β General purpose I/O |
| Pin 18 | GPIO1 β General purpose I/O |
| Pin 19 | GPIO2 β General purpose I/O |
| Pin 20 | GPIO3 β General purpose I/O |
| Pin 21 | AVDD β Analog power supply |
| Pin 22 | AVDD β Analog power supply |
| Pin 23 | GND β Ground |
| Pin 24 | GND β Ground |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
AD7175-2BRUZ-RL7 is suitable for 6 applications: Process Control (PLC/DCS Modules), Medical and Scientific Multichannel Instrumentation, Chromatography, Temperature and Pressure Measurement, Data Acquisition Systems, Weighing Scales and Load Cells.
Process Control (PLC/DCS Modules)
The AD7175-2BRUZ-RL7 is ideal for process control modules in PLC/DCS systems, where it converts temperature and pressure sensor signals with high accuracy. Its 24-bit resolution and 250 kSPS sampling rate enable precise monitoring of industrial processes. The configurable digital filter with 50/60 Hz rejection suppresses power-line noise, ensuring reliable readings in noisy factory environments. The true rail-to-rail input buffers simplify interfacing with various sensor types, and the SPI interface allows easy integration with microcontrollers. The fast 20 Β΅s settling time supports rapid channel scanning in multiplexed systems, improving overall system throughput.
Recommended
Medical and Scientific Multichannel Instrumentation
In medical and scientific instrumentation, the AD7175-2BRUZ-RL7 provides high-resolution conversion for multichannel data acquisition. Its 24-bit resolution and low noise are essential for accurate measurement of biological signals, such as ECG and EEG. The device's per-channel configuration allows optimization of gain and filter settings for each input, accommodating different sensor types. The wide operating temperature range of -40Β°C to +105Β°C ensures reliability in clinical environments. The SPI interface enables seamless data transfer to processing units, and the small 24-TSSOP package saves board space in compact medical devices.
Recommended
Chromatography
The AD7175-2BRUZ-RL7 is well-suited for chromatography systems, where it digitizes detector outputs with high precision. Its 24-bit resolution captures small concentration changes, and the 250 kSPS sampling rate allows fast data acquisition for real-time analysis. The true rail-to-rail input buffers handle high-impedance detector outputs without additional signal conditioning. The configurable digital filter can be set to reject 50/60 Hz interference, improving signal quality. The SPI interface simplifies connection to embedded processors, and the device's low power consumption is beneficial for portable chromatography instruments.
Recommended
Temperature and Pressure Measurement
For temperature and pressure measurement, the AD7175-2BRUZ-RL7 offers the accuracy and speed required for industrial sensors. Its 24-bit resolution ensures precise conversion of small voltage changes from thermocouples and strain gauges. The 20 Β΅s settling time enables fast response to dynamic pressure changes. The device supports both differential and single-ended inputs, accommodating various sensor configurations. The integrated buffers reduce external component count, and the SPI interface allows easy calibration and configuration. The wide supply voltage range (2 V to 5.5 V) makes it compatible with battery-powered field transmitters.
Recommended
Data Acquisition Systems
The AD7175-2BRUZ-RL7 is a key component in general-purpose data acquisition systems, providing high-resolution analog-to-digital conversion. Its 250 kSPS sampling rate and 24-bit resolution make it suitable for a wide range of signals, from slow-changing temperatures to faster vibration data. The per-channel configuration allows users to tailor the ADC to each input, optimizing performance. The SPI interface supports daisy-chaining multiple ADCs for expanded channel counts. The device's low power consumption and small footprint make it ideal for portable and embedded DAQ systems.
Recommended
Weighing Scales and Load Cells
In weighing scales and load cell applications, the AD7175-2BRUZ-RL7 delivers the high resolution and stability required for accurate weight measurement. Its 24-bit resolution allows detection of minute weight changes, and the low noise performance ensures consistent readings. The true rail-to-rail input buffers simplify connection to bridge-type sensors. The configurable digital filter can be optimized for settling time vs. noise trade-offs. The SPI interface enables easy calibration and data retrieval. The device's wide temperature range ensures reliable operation in various environmental conditions.
Recommended
Recommended Products Summary
Engineering reference data for AD7175-2BRUZ-RL7 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | AD7175-2BRUZ | AD7176-2BRUZ | AD7172-2BRUZ-RL7 |
|---|---|---|---|---|
| Package | 24-TSSOP | 24-TSSOP | 24-TSSOP | 24-TSSOP |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Resolution | 24 bit | 24 bit | 24 bit | 24 bit |
| Max Sampling Rate | 250 kSPS | 250 kSPS | 10 kSPS | 31.25 kSPS |
| Settling Time | 20 Β΅s | 20 Β΅s | 20 Β΅s | 20 Β΅s |
| Input Channels | 2 diff / 4 SE | 2 diff / 4 SE | 2 diff / 4 SE | 2 diff / 4 SE |
| Supply Voltage | 2 V to 5.5 V | 2 V to 5.5 V | 2 V to 5.5 V | 2 V to 5.5 V |
| Interface | SPI | SPI | SPI | SPI |
Key Differentiators
- Higher sampling rate than AD7172-2BRUZ-RL7 (vs AD7172-2BRUZ-RL7)
- Faster settling time than AD7176-2BRUZ (vs AD7176-2BRUZ)
- True rail-to-rail input buffers (vs ADS127L01)
Design Notes
Decouple the AVDD and IOVDD pins with 10 Β΅F and 0.1 Β΅F capacitors placed close to the pins. Use separate analog and digital ground planes to minimize noise coupling. The AD7175-2 operates from 2 V to 5.5 V supplies; ensure stable power for optimal performance.
Place the external voltage reference (e.g., ADR445) close to the REF+ and REF- pins and use Kelvin connections to avoid voltage drops. Keep the analog input traces short and shielded to reduce noise pickup. Follow the layout guidelines in the datasheet for best results.
Avoid driving the analog inputs beyond the supply rails, as the true rail-to-rail buffers have limited overvoltage protection. Use series resistors to limit current if overvoltage is possible. Also, ensure the SPI lines are properly terminated to prevent ringing in high-speed systems.
Compliance Information
RoHS compliant per distributor data. Not AEC-Q100 qualified.
