ADS124S08IRHBR

Overview

The ADS124S08IRHBR is a 24-bit analog-to-digital converter (ADC) from Texas Instruments, utilizing delta-sigma architecture. It integrates a programmable gain amplifier (PGA), a multiplexer, and an internal reference. The device supports up to 12 differential or 24 single-ended inputs with a maximum data rate of 4 kSPS. It operates on dual power supplies: analog voltage ranges from 2.7 V to 5.25 V, while digital voltage ranges from 2.7 V to 3.6 V. Communication is handled via a standard SPI interface. The component is housed in a 32-pin VQFN package measuring 5 mm by 5 mm, designed for surface-mount installation.

Feature Summary

• Integrates a high-resolution 24-bit delta-sigma ADC with a built-in programmable gain amplifier and input multiplexer for signal conditioning.
• Supports flexible input configurations including differential, pseudo-differential, and single-ended connections across multiple channels.
• Features a serial peripheral interface (SPI) compatible with standard digital controllers for straightforward system integration.

Applications

• Industrial process control systems requiring high-precision sensor interfacing
• Medical instrumentation such as blood pressure monitors and pulse oximeters
• Weigh scales and load cell measurement applications

Procurement Notes

Verify the specific suffix IRHBR corresponds to the tape-and-reel packaging format required for automated assembly lines. Confirm that the operating temperature range of -50°C to 125°C aligns with the environmental conditions of the target application. Ensure supply chain authenticity through authorized distributors to avoid counterfeit components.

Selection Notes

Select this model when 24-bit resolution and multi-channel capability are necessary. Compare against the ADS114S08 if lower 16-bit resolution suffices for cost reduction. Consider the ADS124S08IPBS variant if a pin-compatible TSSOP package is preferred over the QFN form factor for PCB layout constraints.

Part Context

This component belongs to the ADS124S0x family of precision ADCs from Texas Instruments. It shares architectural similarities with the ADS114S08 but offers higher resolution. The part is commonly used in conjunction with evaluation modules like the ADS124S08EVM for design validation and performance testing during the development phase.

Replacement Considerations

The ADS124S08IPBSR is a pin-compatible alternative in a different package. The ADS114S08IRHBR serves as a lower-resolution substitute within the same package footprint. Verify register compatibility and pin assignments before substituting any cross-model variants.