The AD7829BRUZ-1: An 8-Bit, 2 MSPS Low Power Sampling ADC

Release date:2025-08-30 Number of clicks:119

**The AD7829BRUZ-1: An 8-Bit, 2 MSPS Low Power Sampling ADC**

In the realm of data acquisition systems, the need for high-speed, low-power analog-to-digital conversion is paramount. The **AD7829BRUZ-1** from Analog Devices stands out as a compelling solution, expertly balancing performance with power efficiency. This 8-bit, **2 Mega Samples Per Second (MSPS)** sampling ADC is engineered for applications where rapid signal digitization is required without incurring a significant power penalty.

At the heart of the AD7829BRUZ-1 is a half-flash (or subranging) converter architecture, which enables its impressive **2 MSPS conversion rate**. This speed allows for the accurate capture of dynamic signals, making it suitable for a variety of moderate-speed applications. Despite its high sampling rate, the device is characterized by its **exceptionally low power consumption**, drawing a mere 9 mW from a single 3 V supply during operation. This feature is crucial for portable, battery-operated instruments and other power-sensitive designs where every milliwatt counts.

The ADC integrates a full suite of components necessary for data acquisition, including a track-and-hold amplifier, a voltage reference, and a high-speed data interface. It operates over a wide supply voltage range from 2.7 V to 5.25 V, offering designers significant flexibility. The internal reference is trimmed to 2.5 V, but the device can also be configured to utilize an external reference, providing further system design adaptability. The digital interface is parallel, ensuring straightforward and fast data transfer to a microcontroller, DSP, or FPGA.

A key advantage of the AD7829BRUZ-1 is its **versatile operating modes**. It features a power-down mode that reduces current consumption to just 1 µA, making it ideal for applications that spend significant time in a standby state. This allows systems to achieve a very low average power consumption, dramatically extending battery life. The device is offered in a compact 20-lead TSSOP package, conserving valuable board space in densely populated designs.

Typical applications are found across numerous fields, including **medical instrumentation** such as portable blood glucose meters and patient monitors, **portable data loggers**, industrial control systems, and high-speed automation equipment where efficient, reliable conversion is needed.

**ICGOOFind**: The AD7829BRUZ-1 is a highly integrated, high-performance 8-bit ADC that delivers an optimal blend of **2 MSPS speed** and **ultra-low power operation**. Its combination of a built-in reference, flexible supply range, and power-down mode makes it an outstanding choice for designers prioritizing efficiency and performance in space-constrained, battery-powered applications.

**Keywords**: Low Power, 2 MSPS, 8-Bit ADC, Sampling ADC, Power-Down Mode.

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