ZSSC3135BE2T

Overview

The ZSSC3135BE2T 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 overall digital gain up to 420. The device includes a 16-bit RISC microcontroller for offset, sensitivity, temperature drift, and nonlinearity compensation via on-chip EEPROM. It supports sample rates up to 200Hz with 13/14-bit ADC resolution. Output options include ratiometric analog voltage (12.4-bit) 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.
• High analog gain of 105 combined with optional external temperature sensor compensation tailored for piezoresistive elements.
• Single-pass calibration procedure stores coefficients in on-chip EEPROM for traceability.
• Provides high voltage protection up to 33V with reverse polarity and short circuit protection.

Applications

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

Procurement Notes

Verify the specific suffix BE2T against official Renesas documentation to confirm package type and tape-and-reel specifications. Distributor listings may vary; always cross-reference the manufacturer datasheet for exact ordering information and availability status before procurement.

Selection Notes

Select this component when precise amplification and digital correction of piezoresistive bridge signals are required. Ensure compatibility with the ZACwire™ interface if digital output is preferred over analog voltage. Verify that the 200Hz sample rate meets application timing requirements.

Part Context

The ZSSC3135BE2T belongs to the ZSSC313x series of CMOS integrated circuits. This family focuses on highly accurate amplification and sensor-specific correction for resistive bridge sensors, integrating microcontroller-based algorithms to simplify system design and reduce calibration complexity.

Replacement Considerations

Consult the ZSSC313x product selector for compatible alternatives such as ZSSC3131 or ZSSC3135 variants. Verify pinout and functional equivalence before substitution, as suffixes indicate specific packaging or configuration differences.