ADS8904BRGET

Analog To Digital Converters (ADC) Overview

The ADS8904BRGET is a single-channel, 20-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It operates with an analog supply voltage range of 3V to 5.5V and a digital supply voltage range of 1.65V to 5.5V. The device supports a maximum sampling rate of 250kSPS and features a differential input type. It utilizes an external reference configuration and communicates via an SPI data interface. The component is housed in a 24-VQFN package measuring 4x4 mm with exposed pads for surface mount installation. It functions within a temperature range of -40°C to +125°C.

Analog To Digital Converters (ADC) Feature Summary

• High-resolution 20-bit conversion capability for precision signal acquisition
• Integrated sample-and-hold amplifier with a 1:1 ratio to the ADC core
• Daisy-chainable architecture supporting multiple device connections
• Built-in oscillator functionality reducing external component requirements

Analog To Digital Converters (ADC) Applications

• Industrial process control systems requiring high-precision measurement
• Medical instrumentation demanding accurate signal digitization
• Data acquisition systems utilizing differential input signals
• Test and measurement equipment needing low noise performance

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix to ensure the correct packaging format, such as tape and reel or cut tape, matches the production line requirements. Confirm that the external reference voltage specifications align with the system design before procurement. Check for RoHS compliance status and moisture sensitivity level ratings to ensure proper storage and handling procedures are followed during assembly.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a single-channel, high-resolution conversion is required with moderate speed capabilities. Ensure the system can accommodate the specified analog and digital supply voltage ranges. Verify that the SPI interface compatibility exists with the host microcontroller or DSP. Consider the thermal management requirements given the operating temperature range and power dissipation characteristics of the VQFN package.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS890xB family of SAR ADCs from Texas Instruments. It shares architectural similarities with other members like the ADS8910 and ADS8912 but offers distinct resolution and speed combinations. The BRGET suffix indicates a specific commercial grade variant within the broader product line, designed for general-purpose high-performance applications.

Analog To Digital Converters (ADC) Replacement Considerations

The ADS8904B is the base model for this device. Other family members include the ADS8910BRGET and ADS8912BRGET, which offer different resolutions and sampling rates. Direct pin-compatible alternatives within the same series should be evaluated based on specific resolution and speed requirements.