**AD7328BRUZ-REEL7: A 12-Bit, 8-Channel Software-Configurable True Bipolar Input ADC**

In the realm of data acquisition systems, the ability to accurately digitize a wide range of analog signals is paramount. The **AD7328BRUZ-REEL7** from Analog Devices stands out as a highly integrated solution, engineered to tackle complex multi-channel measurement challenges with precision and flexibility. This 12-bit, 8-channel successive approximation register (SAR) analog-to-digital converter (ADC) is specifically designed for applications requiring true bipolar input ranges and software-configurable parameters.

A defining feature of the AD7328 is its **software-configurable analog input channels**. Each of its eight channels can be independently programmed to accept one of four input ranges: ±10 V, ±5 V, ±2.5 V, and 0 V to +10 V. This remarkable flexibility allows a single IC to interface directly with a diverse array of sensors and signal sources without the need for external conditioning circuitry, simplifying board design and reducing component count. The **true bipolar input capability** is crucial for accurately measuring signals that swing both above and below ground, which is common in industrial, instrumentation, and communication systems.

The device operates on both a single supply (2.7 V to 5.25 V) and a dual supply (±2.5 V to ±5.2 V), enhancing its versatility for different system power architectures. It incorporates **high-speed serial interface** (SPI-compatible) for efficient communication with microcontrollers or digital signal processors, supporting throughput rates up to 1 MSPS. Furthermore, the AD7328 includes other sophisticated features such as a 2.5 V internal reference, a channel sequencer to simplify control of repeated conversions, and analog input clamping protection that can withstand voltages up to ±16.5 V.

The combination of high resolution, multi-channel input, programmable range selection, and robust protection makes the AD7328BRUZ-REEL7 an exceptional choice for complex system monitoring and control applications. It is ideally suited for use in **programmable logic controllers (PLCs), data acquisition systems (DAQs), medical instrumentation, and industrial process control**.

ICGOODFIND: The AD7328BRUZ-REEL7 is a powerhouse of integration and flexibility. Its core value lies in its **software-configurable input ranges and true bipolar operation**, which eliminate the need for external signal scalers and level shifters. This significantly reduces design complexity, saves board space, and lowers the overall bill of materials, making it an extremely efficient and cost-effective solution for high-performance, multi-channel data acquisition systems.

**Keywords:** Software-Configurable, True Bipolar Input, 12-Bit ADC, 8-Channel, Data Acquisition.