RAA2S4252B5HSP#JA0

Sensor And Detector Interfaces Overview

The RAA2S4252B5HSP#JA0 is an automotive-grade signal conditioning integrated circuit manufactured by Renesas Electronics. It belongs to the RAA2S425x series and is designed for high-accuracy amplification and sensor-specific correction of differential bridge sensors. The device features a maximum analog pre-amplification gain of 900, adjustable analog gain ranging from 3 to 912, and supports ratiometric analog voltage output alongside digital interfaces including I2C and ZACwire (OWI). It operates within a supply voltage range of 4.5 V to 5.5 V and functions across a temperature range of -40°C to +150°C. The component utilizes a SOP-8 package and provides an effective ADC resolution between 13 bits and 18 bits with a maximum sample rate of 10 kHz.

Sensor And Detector Interfaces Feature Summary

• Supports all resistive pressure sensing technologies with extended Analog Sensor Offset Correction (XSOC) capabilities.
• Includes overvoltage and reverse polarity protection circuits for robust performance in harsh automotive environments.
• Enables digital calibration for offset, sensitivity, temperature drift, and non-linearity to maintain accuracy across wide temperature ranges.
• Offers multiple diagnostic functions and strong electromagnetic compatibility (EMC) performance.

Sensor And Detector Interfaces Applications

• Braking systems requiring IC and module-level safety in ICE and xEV vehicles
• Transmission control applications in ICE and xEV platforms
• HVAC system pressure sensing in automotive environments
• Pressure measurement in fuel cell systems

Sensor And Detector Interfaces Procurement Notes

Verify the specific suffix HSP against official Renesas documentation to confirm package type and revision status. Ensure compliance with AEC-Q100 Grade 0 standards if required for your application. Check for any export restrictions or additional documentation requirements before finalizing orders. Confirm availability through authorized distributors as lead times may vary based on production cycles.

Sensor And Detector Interfaces Selection Notes

Select this component when differential bridge sensor signal conditioning is required with high accuracy and digital compensation capabilities. Consider the SOP-8 package constraint compared to QFN alternatives like the RAA2S4253 series. Evaluate the need for ASIL-B certification versus QM grade versions based on functional safety requirements. Ensure interface compatibility with I2C or OWI protocols matches the host system design.

Sensor And Detector Interfaces Part Context

This part is part of the RAA2S425x family of automotive sensor signal conditioners. It complements other variants such as the RAA2S4251 (QM, QFN-24) and RAA2S4253 (ASIL-B, QFN-24). The series is optimized for resistive bridge sensors, providing integrated amplification, filtering, and digital correction to reduce external component count and assembly costs in automotive sensor modules.

Sensor And Detector Interfaces Replacement Considerations

RAA2S4251B5HNP#JA0: Similar functionality but in QFN-24 package and QM grade. RAA2S4253B5HNP#JA0: Similar functionality but in QFN-24 package and ASIL-B grade. Verify pinout and package dimensions before substitution.