AD4852BCPZ - 20-Bit 250kSPS 4-Ch DAS | Analog Devices
MPN: AD4852BCPZ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $26.98 | $26.98 |
| 10 | $24.28 | $242.80 |
| 100 | $21.58 | $2,158.00 |
| 500 | $19.89 | $9,945.00 |
| 1,000 | $18.19 | $18,190.00 |
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Request AlternativesAD4852BCPZ Maximum Ratings & Electrical Characteristics
| Resolution | 20 bits |
| Number of Channels | 4 |
| Sampling Rate | 250 kSPS per channel |
| Input Type | Differential |
| Input Leakage Current | ±75 pA typical at 25°C |
| Settling Time | < 300 ns (full-scale step) |
| Reference Voltage | 4.096 V (internal) |
| Power Dissipation | 36 mW per channel at 250 kSPS |
| Supply Voltage | 5 V (low voltage) |
| Digital Interface | SPI, daisy-chain |
| Package | 64-lead LFCSP |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] |
| Integrated Reference | Yes (4.096 V) |
| Integrated Supply Decoupling | Yes |
| RoHS Status | Compliant |
AD4852BCPZ Pin Configuration
| Pin 1 | AVDD — Analog power supply |
| Pin 2 | AIN0+ — Positive analog input channel 0 |
| Pin 3 | AIN0- — Negative analog input channel 0 |
| Pin 4 | AIN1+ — Positive analog input channel 1 |
| Pin 5 | AIN1- — Negative analog input channel 1 |
| Pin 6 | AIN2+ — Positive analog input channel 2 |
| Pin 7 | AIN2- — Negative analog input channel 2 |
| Pin 8 | AIN3+ — Positive analog input channel 3 |
| Pin 9 | AIN3- — Negative analog input channel 3 |
| Pin 10 | REF — Reference input/output |
| Pin 11 | GND — Ground |
| Pin 12 | DVDD — Digital power supply |
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
AD4852BCPZ is suitable for 6 applications: Industrial Automation, Motor Control, Power Line Monitoring, Multi-Phase Energy Metering, Vibration Analysis, Test and Measurement.
Industrial Automation
The AD4852BCPZ's 20-bit resolution and 250kSPS per channel enable precise, simultaneous sampling of multiple analog signals in industrial control systems. Its differential inputs with wide common-mode range reject noise in harsh factory environments. The integrated reference and buffers reduce external component count, simplifying design. With 36mW per channel, it suits power-sensitive PLC and process control modules. The SPI interface allows easy connection to industrial microcontrollers, and the daisy-chain capability supports multi-device synchronization for larger channel counts.
Recommended
Motor Control
In motor control, the AD4852BCPZ provides simultaneous sampling of phase currents and voltages, essential for accurate vector control. Its 20-bit resolution captures fine current details, improving torque ripple and efficiency. The fast settling time (<300ns) ensures accurate sampling during PWM switching transients. The integrated reference and buffers simplify the analog front-end, reducing board space. Operating from a 5V supply, it easily interfaces with motor control DSPs or FPGAs via SPI. The wide common-mode input range allows direct connection to shunt resistors and sensor bridges.
Recommended
Power Line Monitoring
The AD4852BCPZ is ideal for power line monitoring, where simultaneous sampling of voltage and current across multiple phases is critical for accurate power quality analysis. Its 20-bit resolution provides high dynamic range to measure small signals in the presence of large line voltages. The differential inputs with wide common-mode range handle high-voltage sensing via external dividers or CTs. The integrated reference ensures stable measurements over temperature. With 250kSPS per channel, it can capture harmonics up to the 50th order. The SPI interface enables easy integration with metering SoCs.
Recommended
Multi-Phase Energy Metering
For multi-phase energy metering, the AD4852BCPZ provides simultaneous sampling of all phases, ensuring accurate phase angle measurements. Its 20-bit resolution enables precise energy calculation even at low currents. The integrated reference and buffers reduce external component count, making it suitable for compact meter designs. The device's low power dissipation (36mW per channel) is beneficial for always-on metering applications. The SPI interface with daisy-chain support allows multiple AD4852s to be cascaded for more channels. The wide common-mode input range simplifies connection to current transformers and voltage dividers.
Recommended
Vibration Analysis
The AD4852BCPZ's simultaneous sampling and 20-bit resolution make it suitable for multi-axis vibration analysis. It can capture high-frequency vibration signals with low noise, enabling early fault detection in rotating machinery. The differential inputs reject common-mode noise from long sensor cables. The fast settling time ensures accurate sampling of transient events. With 250kSPS per channel, it can capture vibration frequencies up to 125kHz (Nyquist). The integrated reference and buffers simplify the signal chain, reducing board space in portable vibration analyzers. The SPI interface allows easy connection to DSPs for real-time FFT processing.
Recommended
Test and Measurement
In test and measurement equipment, the AD4852BCPZ provides high-resolution, simultaneous sampling for multi-channel data acquisition. Its 20-bit resolution and 250kSPS per channel enable accurate capture of fast transients. The integrated reference and buffers reduce external component count, making it ideal for compact instruments. The device's low power dissipation is beneficial for portable equipment. The SPI interface with daisy-chain support allows easy expansion to more channels. The wide common-mode input range and high input impedance simplify connection to various sensors and signal sources.
Recommended
Recommended Products Summary
Engineering reference data for AD4852BCPZ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | AD4852BBCZ | AD7384-4BCPZ | AD7383-4BCPZ | AD7606BSTZ |
|---|---|---|---|---|---|
| Package | 64-lead LFCSP | 64-BGA (7x7) | LFCSP | LFCSP | LQFP-64 |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Resolution | 20 bits | 20 bits | 16 bits | 16 bits | 16 bits |
| Number of Channels | 4 | 4 | 4 | 4 | 8 |
| Sampling Rate | 250 kSPS | 250 kSPS | 4 MSPS | 4 MSPS | 200 kSPS |
| Input Type | Differential | Differential | Differential | Differential | Differential |
| Integrated Reference | Yes (4.096V) | Yes (4.096V) | Yes (2.5V) | Yes (2.5V) | Yes (2.5V) |
| Power Dissipation | 36 mW/channel | 36 mW/channel | 38 mW/channel | 38 mW/channel | 100 mW/channel |
Key Differentiators
- 20-bit resolution with simultaneous sampling (vs AD7384-4BCPZ)
- Integrated reference and buffers (vs AD7606BSTZ)
- Lower power dissipation (vs AD7606BSTZ)
Design Notes
The AD4852BCPZ operates from a 5V supply. Use separate analog (AVDD) and digital (DVDD) supplies to minimize digital noise coupling. Place 0.1uF and 10uF decoupling capacitors close to each supply pin. The integrated supply decoupling capacitors help, but external capacitors are still required for optimal performance. Refer to the datasheet's power supply recommendations.
For best performance, use a solid ground plane and minimize trace lengths on analog inputs. Keep analog input traces away from digital signals to reduce crosstalk. Use differential routing for the analog inputs to maintain common-mode rejection. Follow the layout guidelines in the AD4852 datasheet, including proper placement of decoupling capacitors and reference bypassing.
Ensure the reference input is properly bypassed with a 10uF capacitor. Do not exceed the absolute maximum ratings on the analog inputs. The device supports a 1.8V to 5V digital interface; ensure the host logic levels are compatible. For daisy-chain operation, configure the SPI correctly to avoid data corruption. Verify the power-up sequence as recommended in the datasheet.
Compliance Information
RoHS compliant per Analog Devices product page. Other compliance data not specified in provided data.