AD4052BCPZ - 16-Bit 2 MSPS Easy Drive SAR ADC | Analog Devices
MPN: AD4052BCPZ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.9 | $8.90 |
| 10 | $8.2 | $82.00 |
| 100 | $7.5 | $750.00 |
| 500 | $6.8 | $3,400.00 |
| 1,000 | $6.1 | $6,100.00 |
AD4052BCPZ Overview
A SAR ADC is a type of data converter that uses a binary search algorithm to approximate the input voltage with a successively refined comparator and internal digital-to-analog converter. SAR ADCs are widely used in precision data acquisition because they deliver excellent linearity and signal-to-noise performance at high sample rates while consuming relatively low power. In a signal chain, the ADC sits between an analog front-end (e.g., a sensor amplifier) and a digital host such as a microcontroller or FPGA.
The AD4052 delivers an integral nonlinearity (INL) of ±0.5 LSB maximum and a signal-to-noise ratio (SNR) of 86.1 dB with VREF = 3.3 V. Its energy efficiency is 1.35 nJ per conversion. At 1 MSPS and 500 kSPS in sample mode, the device consumes 1.35 mW and 0.68 mW respectively; in autonomous modes, power drops to 370 μW at 1 MSPS and 112 μW at 300 kSPS. Standby power is only 4.1 μW, making the AD4052 ideal for battery-powered and intermittently-operated systems.
Technically, the AD4052 uses Analog Devices' Easy Drive architecture, which reduces the input driving requirements and simplifies the analog front-end. The device supports power cycling of the voltage reference and can use the power supply itself as VREF to save additional power. The SPI interface supports CRC for all data transfers, enhancing system reliability in electrically noisy environments. Device configuration is performed through register read/write transactions, and a tCONFIG delay is required after an exit command before new SPI transactions may begin.
Typical applications include battery-powered IoT sensors, portable medical monitoring, industrial data acquisition, energy-harvesting systems, and precision instrumentation. The combination of 16-bit resolution, 86.1 dB SNR, 1.35 nJ/conversion efficiency, and a tiny 14-lead LFCSP package enables dense, low-power, high-accuracy signal chains.
When designing with this converter, pay special attention to reference bypassing, SPI signal integrity, and the tCONFIG timing requirement. A well-decoupled VREF pin with a low-ESR ceramic capacitor is essential to maintain the specified AC performance.
Drop-in alternatives for AD4052BCPZ — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with AD4052BCPZ (same form factor and footprint) — differing in Package, Resolution, Input Type, Lifecycle Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
AD4058BCPZ
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
AD4052BCPZ-R2
✅ Drop-In📋 Reference alternative (not in catalog)
AD4052BCPZ-RL7
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
AD4052BCPZ-RL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
AD4052BCPZ-WP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
AD4052BCPZ Maximum Ratings & Electrical Characteristics
| Resolution | 16 Bit |
| Number of Inputs | 1 |
| Input Type | Single-Ended |
| Architecture | SAR |
| Sample Rate (Sample Mode) | 2 MSPS |
| Sample Rate (Autonomous Mode) | 500 kSPS |
| INL (Max) | ±0.5 LSB |
| SNR (VREF = 3.3 V) | 86.1 dB |
| Energy per Conversion | 1.35 nJ |
| Power (Sample Mode, 1 MSPS) | 1.35 mW |
| Power (Sample Mode, 500 kSPS) | 0.68 mW |
| Power (Autonomous, 1 MSPS) | 370 μW |
| Power (Autonomous, 300 kSPS) | 112 μW |
| Standby Power | 4.1 μW |
| Interface | 4-Wire SPI with CRC |
| Package | 14-Lead LFCSP (2.0 mm x 2.6 mm) |
| Mounting Type | Surface Mount |
| Reference Voltage | 3.3 V (typical) |
AD4052BCPZ Pin Configuration
| Pin 1 | VIN — Analog input |
| Pin 2 | VREF — Voltage reference input |
| Pin 3 | GND — Ground |
| Pin 4 | VDD — Power supply |
| Pin 5 | CS — Chip select (active low) |
| Pin 6 | SCLK — Serial clock |
| Pin 7 | SDI — Serial data input |
| Pin 8 | SDO — Serial data output |
| Pin 9 | CNV — Convert start |
| Pin 10 | BUSY — Busy indicator |
| Pin 11 | DOUT — Data output |
| Pin 12 | DIN — Data input |
| Pin 13 | NC — No connect |
| Pin 14 | EP — Exposed pad (thermal) |
Typical Applications
AD4052BCPZ is suitable for 6 applications: Battery-Powered IoT Sensors, Portable Medical Monitoring, Industrial Data Acquisition, Energy Harvesting Systems, Precision Instrumentation, Audio and Vibration Analysis.
Battery-Powered IoT Sensors
The AD4052BCPZ's ultra-low power consumption (1.35 mW at 1 MSPS, 4.1 μW standby) makes it ideal for battery-powered IoT sensors that require long battery life. Its 16-bit resolution and 86.1 dB SNR ensure accurate measurement of environmental parameters. The Easy Drive architecture simplifies the analog front-end, reducing component count and power. The SPI interface with CRC ensures reliable data transmission in noisy environments. The compact LFCSP package fits space-constrained designs.
Recommended
Portable Medical Monitoring
In portable medical devices like glucose monitors and ECG patches, the AD4052BCPZ provides high accuracy (16-bit, ±0.5 LSB INL) and low power (1.35 mW at 1 MSPS) for reliable vital sign monitoring. Its small 14-lead LFCSP package enables miniaturization. The Easy Drive architecture reduces input drive requirements, simplifying sensor interfacing. The SPI interface with CRC ensures data integrity in clinical environments. Standby power of 4.1 μW extends battery life between measurements.
Recommended
Industrial Data Acquisition
The AD4052BCPZ is well-suited for industrial data acquisition systems requiring high accuracy and low power. Its 16-bit resolution and 86.1 dB SNR ensure precise measurement of industrial signals. The 2 MSPS sample rate captures fast transients. The SPI interface with CRC provides robust communication in electrically noisy factory environments. The compact package allows dense channel density. Power consumption of 1.35 mW at 1 MSPS reduces thermal stress in enclosed systems.
Recommended
Energy Harvesting Systems
Energy harvesting systems demand ultra-low power consumption to operate from harvested energy. The AD4052BCPZ consumes only 112 μW at 300 kSPS in autonomous mode and 4.1 μW in standby, making it ideal for such systems. Its 16-bit resolution ensures accurate measurement of harvested energy. The Easy Drive architecture reduces power-hungry input buffers. The SPI interface with CRC ensures reliable data transfer. The small package fits compact energy harvesting modules.
Recommended
Precision Instrumentation
The AD4052BCPZ delivers the precision required for laboratory instruments like multimeters and data loggers. Its 16-bit resolution, ±0.5 LSB INL, and 86.1 dB SNR ensure accurate measurements. The 2 MSPS sample rate enables fast data acquisition. The Easy Drive architecture simplifies front-end design. The SPI interface with CRC ensures data integrity. Low power consumption (1.35 mW) reduces heat generation, improving measurement stability.
Recommended
Audio and Vibration Analysis
The AD4052BCPZ's high SNR (86.1 dB) and 16-bit resolution make it suitable for audio and vibration analysis applications. It can digitize microphone signals or accelerometer outputs with high fidelity. The 2 MSPS sample rate captures high-frequency vibrations. The low power consumption is beneficial for portable analyzers. The SPI interface with CRC ensures reliable data streaming. The compact package allows integration into handheld devices.
Recommended
Recommended Products Summary
Engineering reference data for AD4052BCPZ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | AD4058BCPZ | AD4052BCPZ-R2 | AD4052BCPZ-RL7 |
|---|---|---|---|---|
| Package | 14-Lead LFCSP (2.0 mm x 2.6 mm) | 14-Lead LFCSP (2.0 mm x 2.6 mm) | 14-Lead LFCSP (2.0 mm x 2.6 mm) | 14-Lead LFCSP (2.0 mm x 2.6 mm) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Resolution | 16 Bit | 16 Bit | 16 Bit | 16 Bit |
| Sample Rate (Sample Mode) | 2 MSPS | 2 MSPS | 2 MSPS | 2 MSPS |
| Number of Inputs | 1 | 2 | 1 | 1 |
| INL (Max) | ±0.5 LSB | ±0.5 LSB | ±0.5 LSB | ±0.5 LSB |
| SNR (VREF = 3.3 V) | 86.1 dB | 86.1 dB | 86.1 dB | 86.1 dB |
| Power (Sample Mode, 1 MSPS) | 1.35 mW | 1.35 mW | 1.35 mW | 1.35 mW |
Key Differentiators
- Ultra-low power consumption (vs AD4058BCPZ)
- Single-channel design (vs AD4058BCPZ)
- Easy Drive architecture (vs AD7980BCPZ-RL7)
Design Notes
The AD4052BCPZ consumes only 1.35 mW at 1 MSPS, making it ideal for battery-powered designs. To achieve the specified low power, use the autonomous mode when possible and power-cycle the reference when not in use. Ensure the supply voltage is well-regulated and decoupled with a 0.1 μF ceramic capacitor close to the VDD pin.
For optimal performance, place the AD4052BCPZ close to the signal source to minimize trace inductance. Use a solid ground plane and separate analog and digital grounds. Bypass the VREF pin with a low-ESR 10 μF ceramic capacitor to maintain the specified SNR. Keep SPI traces short and matched to reduce signal integrity issues.
A common pitfall is violating the tCONFIG timing requirement after an exit command. Ensure the minimum delay between the CS rising edge and the next SPI transaction is met as specified in the datasheet. Also, avoid driving the analog input beyond the supply rails, as this can cause latch-up or damage.
Compliance Information
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified.
