LMP90098MH/NOPB

Analog Front End (AFE) Overview

The LMP90098MH/NOPB is a 24-bit, four-channel delta-sigma analog-to-digital converter (ADC) manufactured by Texas Instruments. It integrates programmable gain amplifiers (PGA) and excitation current sources (iDACs) for sensor signal conditioning. The device supports single-ended inputs with an SPI interface and operates at sampling rates up to 214 samples per second. It functions on analog supply voltages from 2.85 V to 5.5 V and digital supplies from 2.7 V to 5.5 V. Designed for high-precision applications, it consumes 1.2 mW of power and operates within a temperature range of -40°C to +125°C in an HTSSOP-28 package.

Analog Front End (AFE) Feature Summary

• 24-bit resolution with 4 independent channels
• Integrated PGA and excitation current sources (iDACs)
• Sigma-Delta architecture with SPI interface
• Low power consumption of 1.2 mW

Analog Front End (AFE) Applications

• Industrial process control systems
• High-precision sensor interfaces
• Multi-channel data acquisition systems

Analog Front End (AFE) Procurement Notes

Verify the specific suffix 'MH' against the official datasheet to confirm package type and tape/reel specifications. Ensure compatibility with the required operating voltage ranges and interface protocols before integration. Confirm RoHS compliance status through the manufacturer's documentation.

Analog Front End (AFE) Selection Notes

Select this component when high-resolution multi-channel measurement is required without external signal conditioning. The integrated iDACs simplify bridge sensor excitation. Verify that the 214 S/s maximum sampling rate meets system timing requirements and that the HTSSOP-28 footprint fits the PCB layout constraints.

Analog Front End (AFE) Part Context

This part belongs to the LMP90098 series of precision ADCs. It is designed to replace discrete amplifier and ADC solutions in compact designs. The NOPB suffix indicates lead-free and RoHS-compliant manufacturing. It serves as a complete solution for low-frequency, high-accuracy measurements.

Analog Front End (AFE) Replacement Considerations

Check for direct pin-compatible alternatives within the LMP900xx family. Verify if other TI ADCs offer higher sampling rates or different channel counts while maintaining similar power profiles.