**AD7631BCPZ: A 16-Bit, 1 MSPS PulSAR® ADC for High-Precision Data Acquisition Systems**

In the realm of high-performance data acquisition, the **AD7631BCPZ** stands out as a critical component for systems demanding uncompromising accuracy and speed. This 16-bit, 1 MSPS (Mega Sample Per Second) successive approximation register (SAR) analog-to-digital converter (ADC) leverages **Analog Devices' proprietary PulSAR® architecture** to deliver exceptional performance in a compact form factor. Engineered for precision applications, it combines high resolution with rapid conversion capabilities, making it an ideal solution for medical imaging, industrial automation, test and measurement equipment, and scientific instrumentation.

A key strength of the AD7631BCPZ is its **integral nonlinearity (INL) error of just ±2.5 LSB maximum**, ensuring highly accurate digital representations of analog signals. It operates with a **wide power supply range from 2.7 V to 5.25 V**, enhancing its flexibility in diverse system environments. The device supports both bipolar and unipolar input ranges (±10 V, ±5 V, 0 to 10 V, 0 to 5 V), provided through an internal reference and buffer, simplifying external circuitry design. Furthermore, it features a **high-speed parallel and serial interface** for seamless communication with microprocessors, DSPs, or FPGAs.

The ADC incorporates **advanced power management techniques**, including a nap mode and a full shutdown mode, significantly reducing power consumption in power-sensitive applications. Its robust design ensures excellent AC performance, with a signal-to-noise ratio (SNR) of 91 dB typical and total harmonic distortion (THD) of -103 dB typical at 1 kHz, critical for dynamic signal analysis.

Housed in a **10-lead LFCSP (Lead Frame Chip Scale Package)**, the AD7631BCPZ offers a space-saving solution without compromising thermal performance or reliability. Its ability to maintain precision at high throughput rates makes it a cornerstone for engineers developing next-generation data acquisition systems where every bit of data integrity matters.

**ICGOODFIND:** The AD7631BCPZ is a high-accuracy, 16-bit ADC offering 1 MSPS speed, excellent linearity, flexible power and input ranges, and low power consumption, making it a top-tier choice for demanding precision measurement applications.

**Keywords:**

16-Bit ADC

1 MSPS

PulSAR® Architecture

High-Precision Measurement

Low Power Consumption