ZSSC3220BI3R

Overview

The ZSSC3220BI3R is a capacitive sensor signal conditioner IC manufactured by Renesas Electronics. It operates on an I2C interface and accepts analog or digital inputs to produce digital outputs. The device functions within a supply voltage range of 1.68 V to 3.6 V, drawing 750 uA during operation. It features an internal reference type and supports a single channel. The component is housed in a PQFN-24 package (4x4mm) and is designed for surface mount installation. It withstands operating temperatures from -40 C to +125 C.

Feature Summary

• Capacitive sensor signal conditioning with integrated I2C digital output
• Internal reference design simplifying circuit requirements
• Wide operating temperature range suitable for industrial environments

Applications

• Capacitive touch sensing interfaces
• Proximity detection systems
• Level sensing applications

Procurement Notes

Verify the specific ordering suffix and package variant when sourcing this component. Confirm that the intended application environment aligns with the specified voltage and temperature limits. Ensure compatibility with the I2C bus protocol used in the target system design before finalizing procurement decisions.

Selection Notes

Select this part for applications requiring precise capacitive signal processing with minimal external components due to its internal reference. Consider the PQFN-24 footprint for space-constrained designs. Evaluate the 750 uA current consumption against power budget constraints for battery-operated or low-power systems.

Part Context

This component belongs to the ZSSC3230 series of sensor interface products from Renesas Electronics. It serves as a specialized signal conditioner bridging capacitive sensors and digital processing units. The series focuses on providing robust signal integrity for various sensing modalities in embedded systems.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.