ZSSC3135BE2R

Overview

The ZSSC3135BE2R is a sensor signal conditioner from the ZSSC313x family, designed for automotive and industrial piezoresistive bridge sensors. It features an analog gain of 105 and an overall gain up to 420. The device includes a 16-bit RISC microcontroller for digital compensation of offset, sensitivity, temperature drift, and nonlinearity. It supports sample rates up to 200Hz with 13/14-bit ADC resolution. Output options include ratiometric analog voltage (12.4-bit resolution) or ZACwire digital interface. Supply current is max 5.5mA, with operation from -40°C to +150°C.

Feature Summary

• Internal 16-bit RISC microcontroller performs real-time correction of sensor offset, sensitivity, temperature drift, and nonlinearity using coefficients stored in on-chip EEPROM.
• High analog gain of 105 combined with optional external temperature sensor compensation specifically targets piezoresistive bridge sensor requirements.
• Provides flexible output via ratiometric analog voltage or ZACwire one-wire digital interface, supporting high-voltage protection up to 33V.

Applications

• Automotive pressure and force sensing applications
• Industrial piezoresistive bridge sensor conditioning
• Cost-optimized switch applications requiring digital filtering

Procurement Notes

Verify the specific suffix BE2R against official Renesas documentation to confirm package type and moisture sensitivity level. Distributor listings may vary; always cross-reference the manufacturer datasheet for accurate ordering information and availability status before procurement.

Selection Notes

Select this component when precise amplification and digital correction of piezoresistive sensors are required. The integrated microcontroller simplifies calibration by storing coefficients in EEPROM. Ensure the application benefits from the wide operating temperature range and high-voltage protection features provided by the ZSSC313x family.

Part Context

The ZSSC3135BE2R belongs to the ZSSC313x product family of CMOS integrated circuits. This family is engineered for highly accurate amplification and sensor-specific correction of resistive bridge signals in demanding automotive and industrial environments.

Replacement Considerations

Consult the ZSSC313x family datasheet for compatible alternatives such as ZSSC3131 or ZSSC3135 variants. Verify pin compatibility and functional equivalence before substitution.