ADS130B04QPWRQ1

Analog To Digital Converters (ADC) Overview

The ADS130B04QPWRQ1 is a four-channel, simultaneous-sampling, 16-bit delta-sigma analog-to-digital converter (ADC) designed for automotive applications. It operates with analog and digital supplies ranging from 2.7 V to 3.6 V. The device features programmable gains up to 128 and data rates up to 32 kSPS in high-resolution mode. It includes an integrated 1.2-V low-drift voltage reference and a precision internal oscillator. The component supports SPI communication with optional cyclic redundancy checks (CRC). It is qualified under AEC-Q100 standards for temperature grade 1, functioning reliably between –40°C and +125°C.

Analog To Digital Converters (ADC) Feature Summary

• Global-chop mode eliminates offset drift over temperature and time
• Integrated negative charge pump enables input signal measurements below ground
• High-impedance analog inputs allow direct connection to sensors
• Optional CRC on communications and register map maintains integrity

Analog To Digital Converters (ADC) Applications

• Automotive battery management systems (BMS)
• Current-shunt measurements
• Voltage measurements using external resistor dividers
• Temperature measurements using thermistors or analog output sensors

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix matches the required package type and quality level. Confirm that the component meets the functional safety documentation requirements if utilized in safety-critical designs. Ensure supply voltages remain within the specified 2.7 V to 3.6 V range during operation. Check thermal resistance values against the expected ambient conditions to prevent overheating.

Analog To Digital Converters (ADC) Selection Notes

Select this component when simultaneous sampling of multiple channels is required for precise phase alignment. Consider the integrated PGA and reference if minimizing external passive components is a priority. Evaluate the power consumption modes against the required noise performance and data rate specifications. Verify compatibility with the host microcontroller's SPI interface timing constraints.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS130B04-Q1 family of automotive-grade analog front ends. It shares architectural similarities with other Texas Instruments delta-sigma ADCs but is specifically optimized for cost-sensitive BMS applications. The Q1 suffix indicates automotive qualification, while the PWR suffix denotes the 20-pin TSSOP package.

Analog To Digital Converters (ADC) Replacement Considerations

Direct replacements include other members of the ADS130B04-Q1 series with different package options. Non-automotive equivalents like the standard ADS130B04 may require requalification for automotive environments. Verify pinout compatibility before substitution.