**AD4696BCPZ: A 16-Channel, 16-Bit SAR ADC for High-Accuracy Industrial Data Acquisition Systems**

In the demanding landscape of industrial automation, test and measurement, and process control, the need for **high-precision, multi-channel data acquisition** is paramount. The AD4696BCPZ from Analog Devices stands as a pivotal solution, engineered to meet these rigorous requirements with its exceptional integration, accuracy, and robustness.

This integrated circuit is a **16-bit, 16-channel successive approximation register (SAR) analog-to-digital converter (ADC)**. The SAR architecture is renowned for its precision and speed, making it ideal for applications where both high resolution and deterministic operation are critical. Each of the 16 channels can be individually configured and sequenced, providing unparalleled flexibility in monitoring multiple sensor inputs—such as temperature, pressure, and flow—from a single device.

A key feature of the AD4696 is its **highly integrated analog front-end**. It includes a versatile, software-configurable input stage that can handle a wide range of input signals, including true bipolar ±10 V inputs, which are common in industrial environments. This eliminates the need for external signal conditioning components, thereby simplifying system design, reducing the bill of materials (BOM), saving board space, and enhancing overall reliability.

Performance is at the core of the AD4696's design. It achieves **outstanding DC precision** with a typical integral nonlinearity (INL) of ±0.5 LSB and excellent signal-to-noise ratio (SNR), ensuring that even the smallest analog signals are digitized with utmost fidelity. Furthermore, it incorporates advanced filtering and a robust digital interface, mitigating the impact of noise in electrically hostile industrial settings.

The device also prioritizes ease of integration and system control. It features a serial peripheral interface (SPI) for communication with a host microcontroller or processor (MCU/MPU) and includes **on-the-fly configuration switching**, allowing parameters for each channel to be changed rapidly between conversions. This is crucial for complex systems that must dynamically adjust to different sensor types.

Power efficiency is another significant advantage. The AD4696 operates on a single 5 V supply and includes power-down and standby modes, which are essential for power-sensitive applications. Its ability to quickly wake up from these low-power states ensures that it can maintain a high sampling rate while effectively managing overall system energy consumption.

In summary, the AD4696BCPZ is a cornerstone component for designers building next-generation industrial systems. It successfully bridges the gap between high-channel-count connectivity and uncompromising data accuracy.

**ICGOODFIND:** The AD4696BCPZ is a highly integrated, 16-bit, 16-channel SAR ADC that sets a new benchmark for performance and flexibility in industrial data acquisition systems. Its software-configurable inputs, high accuracy, and robust design make it an optimal choice for complex, multi-sensor applications demanding reliability and precision.

**Keywords:** High-Precision ADC, Multi-Channel Data Acquisition, SAR Architecture, Industrial Automation, Software-Configurable Inputs.