ADS131M04QPWRQ1

Analog To Digital Converters (ADC) Overview

The ADS131M04QPWRQ1 is a four-channel, simultaneous-sampling, 24-bit delta-sigma analog-to-digital converter designed for automotive applications. It operates with analog and digital supplies ranging from 2.7 V to 3.6 V. The device supports programmable data rates up to 64 kSPS and offers gain settings from 1 to 128. Key electrical specifications include a signal-to-noise ratio of 100 dB at gain 1 and 79 dB at gain 64. It features an integrated low-drift 1.2-V reference voltage and negative charge pump for input signals below ground. The component is housed in a 20-pin TSSOP package and functions within a temperature range of –40°C to +125°C.

Analog To Digital Converters (ADC) Feature Summary

• Four differential inputs with simultaneous sampling capability
• Integrated programmable gain amplifier with gains up to 128
• Built-in channel-to-channel phase delay calibration
• Optional cyclic redundancy checks on communications and register map

Analog To Digital Converters (ADC) Applications

• Automotive battery management systems (BMS)
• EV charging stations DC e-metering
• Energy storage systems (ESS)

Analog To Digital Converters (ADC) Procurement Notes

Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct package type and temperature grade. Confirm that the specific revision matches project requirements. Cross-reference the manufacturer's orderable addendum for current availability status and packaging options before finalizing procurement plans.

Analog To Digital Converters (ADC) Selection Notes

Select this component when high-precision simultaneous multi-channel acquisition is required in automotive environments. Evaluate power consumption trade-offs across high-resolution, low-power, and very-low-power modes based on system thermal constraints. Ensure the external clock frequency aligns with the desired data rate and dynamic performance targets.

Analog To Digital Converters (ADC) Part Context

This device belongs to the ADS131M04-Q1 family of automotive-grade analog-to-digital converters. It shares core architecture with other members but is specifically qualified under AEC-Q100 standards. The Q1 suffix indicates automotive qualification, while PWR denotes the 20-pin TSSOP surface-mount package configuration.

Analog To Digital Converters (ADC) Replacement Considerations

ADS131B04QPWRQ1: Lower speed variant with 32-kSPS maximum data rate.