ADS8922BRGER

Analog To Digital Converters (ADC) Overview

The ADS8922BRGER is a 16-bit, 500-kSPS successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It features a single differential input channel and operates with an analog supply voltage range of 3 V to 5.5 V and a digital supply voltage minimum of 1.65 V. The device integrates an internal reference buffer and an internal low-dropout regulator (LDO). Key performance metrics include a maximum integral nonlinearity (INL) of 0.5 LSB, a signal-to-noise ratio (SNR) of 96.8 dB, and a signal-to-noise and distortion ratio (SINAD) of 95.9 dB. Power consumption is typically 16 mW. It utilizes a multi-SPI interface and is housed in a 24-VQFN package suitable for operation between -40°C and 125°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrates an internal reference buffer and internal LDO to simplify external component requirements.
• Supports daisy-chainable multi-SPI interface for efficient system connectivity.
• Features an internal oscillator for clock generation capabilities.

Analog To Digital Converters (ADC) Applications

• Industrial process control systems requiring high-resolution data acquisition.
• Medical instrumentation applications demanding precise signal conversion.
• Test and measurement equipment utilizing differential input signals.

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm pin compatibility and functional equivalence. Ensure that the procurement source provides valid traceability for catalog-rated components. Confirm that the delivered units match the specified 24-VQFN package dimensions and thermal characteristics required for the target application environment.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a 16-bit resolution at 500 kSPS sampling rate is required with integrated power management features. The inclusion of an internal reference buffer and LDO reduces the bill of materials compared to solutions requiring external references and regulators. Consider the differential input architecture and SPI interface compatibility with the host microcontroller or DSP before finalizing the design choice.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS8922B family of SAR ADCs from Texas Instruments. It shares architectural similarities with other devices in the series but is distinguished by its 16-bit resolution and 500-kSPS speed. The BRGER suffix indicates the specific tape-and-reel packaging and temperature rating configuration within the broader product line.

Analog To Digital Converters (ADC) Replacement Considerations

Consult the official datasheet for confirmed substitute part numbers within the same family or compatible alternatives. Verify pin-to-pin compatibility and electrical parameter alignment before substituting any component in an existing design.