X9C303S8IZ-2.7

Overview

The X9C303S8IZ-2.7 is a digitally controlled potentiometer (XDCP) manufactured by Renesas Electronics Corporation, belonging to the X9C3xx series. It integrates a nonvolatile memory element that retains the wiper position during power-off conditions, ensuring immediate recall of the last setting upon power-up. The device utilizes a 3-wire serial interface for control and features a linear taper resistance network. Designed for surface-mount applications, it operates within a supply voltage range of 2.7V to 5.5V and is housed in an 8-pin SOIC package.

Feature Summary

• Nonvolatile wiper position storage maintains settings across power cycles
• 3-wire serial interface (CS, CLK, INC/U-D) for digital control
• Linear taper resistance with 100 tap positions
• Single-potentiometer configuration in 8-SOIC package

Applications

• Audio volume and tone control circuits
• Programmable gain amplifier adjustments
• Voltage reference trimming
• LED brightness control systems

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for End-of-Life (EOL) notices or Product Change Notices (PCN) regarding manufacturing site changes or packaging updates prior to procurement.

Selection Notes

Select this component when a solid-state replacement for mechanical trimmers is required in space-constrained designs. Ensure the application supports the 3-wire serial protocol and verify that the 100-tap resolution meets the system's adjustment granularity requirements compared to higher-resolution alternatives.

Part Context

This part belongs to the Renesas X9C3xx family of digitally controlled potentiometers. It shares functional similarities with other models in the series but differs in specific resistance values and package options. The 'S8' suffix indicates the SOIC-8 package, while 'IZ' typically denotes lead-free and RoHS-compliant construction.

Replacement Considerations

Direct pin-to-pin replacements may include other variants from the X9C3xx series such as X9C302 or X9C304, provided the resistance value matches the design requirement. Verify interface compatibility and wiper resistance specifications before substitution.