AD7386BCPZ - 16-Bit 4MSPS Dual SAR ADC | Analog Devices
MPN: AD7386BCPZ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $57.51 | $57.51 |
| 10 | $54.63 | $546.30 |
| 100 | $51.76 | $5,176.00 |
| 500 | $48.88 | $24,440.00 |
| 1,000 | $46.01 | $46,010.00 |
AD7386BCPZ Overview
An ADC (analog-to-digital converter) is an electronic component that converts continuous analog signals into discrete digital numbers, enabling digital processing of real-world signals. SAR ADCs use a successive approximation register algorithm to perform conversions with high speed and excellent accuracy, making them ideal for applications requiring precise, fast measurements. The AD7386 belongs to the precision ADC family, which is a subset of data converters within the broader analog-to-digital conversion hierarchy.
Key features of the AD7386BCPZ include dual simultaneous sampling, which allows two channels to be sampled at the exact same instant, preserving phase relationships between signals. The integrated multiplexer and sequencer enable automatic scanning of multiple input channels without external control. The serial interface with two data output pins supports high-speed data transfer while simplifying the connection to microcontrollers or DSPs. The device also offers a wide input bandwidth and low power consumption, making it suitable for portable and battery-powered applications.
Technically, the AD7386 uses a precision capacitor-based DAC and a high-speed comparator to achieve 16-bit resolution with no missing codes. The device features a flexible power-down mode to reduce current consumption between conversions, and it supports both SPI and QSPI interfaces. The LFCSP package provides excellent thermal performance and a small footprint, ideal for space-constrained designs.
Typical applications include motor control, power monitoring, data acquisition systems, and industrial automation. In motor control, the dual simultaneous sampling capability is critical for accurate current and voltage measurement. In power monitoring, the high throughput and resolution enable precise energy metering. The device's small size and low power make it suitable for portable instrumentation.
When designing with the AD7386BCPZ, ensure proper decoupling of the power supply pins with 0.1 uF and 10 uF capacitors placed close to the device. The reference input should be driven by a low-impedance source to maintain accuracy. The serial interface timing must be carefully matched to the host controller to avoid data corruption.
Drop-in alternatives for AD7386BCPZ — 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 AD7386BCPZ (same form factor and footprint) — differing in Input Type, Resolution, Sampling Rate, Number of Inputs, Interface.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
AD7387BCPZ
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
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View Datasheet →AD7388BCPZ
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.35 / Unit
View Datasheet →AD7386-4BCPZ
✅ Drop-In📋 Reference alternative (not in catalog)
AD4683BCPZ
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.38 / Unit
View Datasheet →AD4682BCPZ
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$9.75 / Unit
View Datasheet →AD7380BCPZ
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$7.89 / Unit
View Datasheet →AD7386BCPZ Maximum Ratings & Electrical Characteristics
| Resolution | 16 bits |
| Number of Inputs | 4 |
| Number of ADCs | 2 |
| Architecture | SAR |
| Throughput Rate | 4 MSPS |
| Supply Voltage | 3.0 V to 3.6 V |
| Package | 16-LFCSP (3x3 mm) |
| Mounting Type | Surface Mount |
| Input Type | Single Ended |
| Data Interface | SPI, QSPI |
| RoHS Status | Compliant |
AD7386BCPZ Pin Configuration
| Pin 1 | VDD — Power supply |
| Pin 2 | GND — Ground |
| Pin 3 | VIN1 — Analog input channel 1 |
| Pin 4 | VIN2 — Analog input channel 2 |
| Pin 5 | VIN3 — Analog input channel 3 |
| Pin 6 | VIN4 — Analog input channel 4 |
| Pin 7 | REF — Reference input |
| Pin 8 | SCLK — Serial clock |
| Pin 9 | SDI — Serial data input |
| Pin 10 | SDO1 — Serial data output 1 |
| Pin 11 | SDO2 — Serial data output 2 |
| Pin 12 | CS — Chip select |
| Pin 13 | CNV — Convert input |
| Pin 14 | BUSY — Busy output |
| Pin 15 | GND — Ground |
| Pin 16 | VDD — Power supply |
Typical Applications
AD7386BCPZ is suitable for 6 applications: Motor Control, Power Monitoring, Data Acquisition Systems, Industrial Automation, Medical Instrumentation, Test and Measurement.
Motor Control
The AD7386BCPZ's dual simultaneous sampling capability is essential for motor control applications where precise current and voltage measurements must be captured at the same instant. With 16-bit resolution and 4 MSPS throughput, it enables accurate phase current sensing and position feedback, improving motor efficiency and torque control. The small LFCSP package fits compact motor drive modules, and the low power consumption supports thermal management in enclosed drives.
Recommended
Power Monitoring
In power monitoring systems, the AD7386BCPZ provides high-resolution, high-speed sampling of voltage and current waveforms. Its 16-bit resolution ensures accurate energy metering, while the 4 MSPS throughput captures fast transients. The dual simultaneous sampling preserves phase alignment between voltage and current channels, enabling precise power factor and reactive power calculations. The device's wide input range and low power make it suitable for smart grid and industrial power analyzers.
Recommended
Data Acquisition Systems
The AD7386BCPZ is ideal for high-speed data acquisition systems requiring multiple channels and simultaneous sampling. Its 16-bit resolution and 4 MSPS throughput allow accurate digitization of fast analog signals. The integrated multiplexer and sequencer simplify channel scanning, reducing host processor overhead. The serial interface with two data output pins supports high-speed data transfer to FPGAs or DSPs, making it suitable for vibration analysis, sonar, and medical imaging.
Recommended
Industrial Automation
In industrial automation, the AD7386BCPZ provides precise analog-to-digital conversion for process control, condition monitoring, and robotics. Its high throughput and 16-bit resolution enable accurate measurement of sensors such as pressure, temperature, and position. The small package and low power consumption allow integration into compact PLC modules and field instruments. The device's robust performance over temperature and supply variations ensures reliable operation in harsh industrial environments.
Recommended
Medical Instrumentation
The AD7386BCPZ is suitable for medical instrumentation requiring high-speed, high-resolution data conversion, such as ultrasound imaging and patient monitoring. Its 16-bit resolution ensures accurate signal representation, while the 4 MSPS throughput captures fast physiological signals. The dual simultaneous sampling is beneficial for applications like ECG where multiple leads must be sampled synchronously. The low power consumption extends battery life in portable medical devices.
Recommended
Test and Measurement
In test and measurement equipment, the AD7386BCPZ provides high-speed, high-resolution digitization for oscilloscopes, spectrum analyzers, and data loggers. Its 16-bit resolution and 4 MSPS throughput enable accurate capture of waveforms and transients. The dual simultaneous sampling allows comparison of two signals with precise time alignment. The compact LFCSP package and low power consumption make it suitable for portable and benchtop instruments.
Recommended
Recommended Products Summary
Engineering reference data for AD7386BCPZ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | AD7387BCPZ | AD7388BCPZ | AD7386-4BCPZ | AD4683BCPZ |
|---|---|---|---|---|---|
| Package | 16-LFCSP (3x3 mm) | 16-LFCSP (3x3 mm) | 16-LFCSP (3x3 mm) | 16-LFCSP (3x3 mm) | 16-LFCSP (3x3 mm) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Resolution | 16 bits | 14 bits | 12 bits | 16 bits | 16 bits |
| Throughput Rate | 4 MSPS | 4 MSPS | 4 MSPS | 4 MSPS | 2 MSPS |
| Number of Inputs | 4 | 4 | 4 | 4 | 4 |
| Supply Voltage | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V |
| Architecture | SAR | SAR | SAR | SAR | SAR |
| Data Interface | SPI, QSPI | SPI, QSPI | SPI, QSPI | SPI, QSPI | SPI |
Key Differentiators
- 16-bit resolution with 4 MSPS throughput (vs AD7387BCPZ)
- Dual simultaneous sampling (vs AD4683BCPZ)
- Higher throughput than AD4682BCPZ (vs AD4682BCPZ)
Design Notes
Ensure clean power supply for the AD7386BCPZ. Use a 0.1 uF ceramic capacitor and a 10 uF bulk capacitor placed close to the VDD pins. The supply voltage range is 3.0V to 3.6V; operation outside this range may cause incorrect conversion results. Consider using a low-noise LDO regulator to minimize supply ripple.
For optimal performance, place the AD7386BCPZ close to the signal source to minimize trace inductance. Use a solid ground plane and avoid routing digital signals near analog inputs. The reference input should be decoupled with a 1 uF capacitor to ground. Follow the layout guidelines in the datasheet to achieve rated SNR and THD.
A common mistake is driving the analog inputs beyond the specified input range, which can cause latch-up or incorrect readings. Ensure the input voltage stays within the supply rails. Also, the serial interface timing must be strictly adhered to; setup and hold times for SCLK and CS must be met to avoid data corruption. Refer to the timing diagrams in the datasheet.
Compliance Information
RoHS compliance inferred from distributor listings. Other compliance data not specified in provided sources.