ADS131B04QPWRQ1

Analog To Digital Converters (ADC) Overview

The ADS131B04QPWRQ1 is an automotive-grade, four-channel, synchronous sampling, 24-bit Sigma-Delta analog-to-digital converter (ADC) manufactured by Texas Instruments. It operates with a maximum sampling rate of 32 kSPS and features differential inputs with an internal reference voltage of 1.2 V. The device supports SPI communication and functions within a supply voltage range of 3.3 V for both analog and digital domains. It is housed in a 20-pin TSSOP package and is rated for operation between -40°C and +125°C, ensuring reliability in demanding automotive environments.

Analog To Digital Converters (ADC) Feature Summary

• Four simultaneous sampling channels with integrated programmable gain amplifiers
• Internal low-drift 1.2 V reference voltage source to minimize PCB area
• AEC-Q100 qualified for Grade 1 temperature range suitability
• Sigma-Delta architecture providing high resolution and wide dynamic range

Analog To Digital Converters (ADC) Applications

• Automotive battery management systems
• Electric vehicle charging infrastructure monitoring
• Energy storage system data acquisition

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix QPWRQ1 against the official Texas Instruments datasheet to confirm the package type, tape-and-reel quantity, and RoHS compliance status. Ensure that the ordering information matches the exact automotive qualification requirements for your design. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability before finalizing procurement orders.

Analog To Digital Converters (ADC) Selection Notes

Select this component when four synchronized high-resolution measurements are required in automotive applications. Compare the 32 kSPS sampling rate against the ADS131M04QPWRQ1 if higher speed is needed. Verify that the internal 1.2 V reference meets the input signal requirements without external buffering. Confirm that the TSSOP-20 package fits the thermal and spatial constraints of the target printed circuit board layout.

Analog To Digital Converters (ADC) Part Context

This device belongs to the ADS131B04 family of automotive ADCs from Texas Instruments. It shares the same 20-pin TSSOP footprint and core architecture as other members but differs in sampling speed and specific electrical characteristics. It is designed to complement other sensors and microcontrollers in complex automotive electronic control units requiring precise analog signal digitization.

Analog To Digital Converters (ADC) Replacement Considerations

The ADS131M04QPWRQ1 is a related high-speed variant within the same family. Verify compatibility regarding sampling rate differences and register mapping before substitution. No other direct cross-manufacturer replacements are confirmed in public documentation.