ZSSC3123AI6B

Overview

The ZSSC3123AI6B is a capacitive sensor signal conditioner manufactured by Renesas Electronics. It provides digital output for capacitive sensing applications with an operating voltage range of 2.3 V to 5.5 V and a maximum supply current of 100 uA. The device supports I2C, Serial, and SPI interfaces and features differential input for single-channel operation. It operates within a temperature range of -40°C to +125°C and is available in a Die package format.

Feature Summary

• CMOS integrated circuit designed for accurate capacitance-to-digital conversion
• Supports digital compensation for sensor offset, sensitivity, and temperature drift
• Configurable for capacitive sensors with capacitances up to 10pF
• Compatible with both single and differential capacitive sensor configurations

Applications

• Capacitive position sensing
• Level detection systems
• Proximity sensing applications

Procurement Notes

Verify the specific suffix 'AI6B' against official Renesas documentation to confirm pinout, packaging, and electrical characteristics match project requirements. Ensure compatibility with existing calibration coefficients and interface protocols before integration into the design.

Selection Notes

Select this component when high accuracy and low power consumption are required for capacitive sensing. Consider the die package format for custom assembly solutions. Verify that the target application falls within the specified voltage and temperature ranges for optimal performance.

Part Context

This part belongs to the ZSSC3123 series of capacitive sensor signal conditioners. It is designed to replace traditional analog conditioning circuits by providing digital output and built-in compensation algorithms. The series is commonly used in industrial and consumer applications requiring precise capacitive measurement.

Replacement Considerations

Check for pin-to-pin compatible alternatives such as other variants within the ZSSC3123 family. Verify functional equivalence regarding interface types and compensation capabilities before substitution.