SI32391-B-GM1R

Telecom Overview

The SI32391-B-GM1R is a single-channel FXS PROSLIC analog interface IC manufactured by Skyworks Solutions. It operates within a supply voltage range of 3.15 V to 3.45 V and supports an operating temperature range from -40°C to +85°C. The component is housed in a QFN-48 surface-mount package and belongs to the Si32391 series of telecom interface ICs. Designed for subscriber line interface applications, it integrates necessary circuitry for analog telephony functions.

Telecom Feature Summary

• Integrates full FXS functionality within a single channel architecture
• Utilizes PROSLIC technology for standardized analog interface performance
• Supports wide industrial temperature operation ranges

Telecom Applications

• Telecommunications subscriber line interfaces
• Analog telephone service equipment
• FXS port implementations in telecom hardware

Telecom Procurement Notes

Verify the specific suffix GM1R against official Skyworks documentation to confirm package type and reel configuration. Ensure compatibility with required voltage levels and thermal management specifications before integration into final designs.

Telecom Selection Notes

Select this component for single-channel FXS applications requiring integrated analog interface capabilities. Confirm that the QFN-48 package fits the board layout constraints and that the 3.15V to 3.45V supply range matches the system power design requirements.

Telecom Part Context

This part belongs to the Si32391 family of PROSLIC devices from Skyworks Solutions. These components are specialized for providing analog subscriber line interface functions in telecommunications infrastructure, combining voice path processing with line interface drivers in a compact form factor.

Telecom Replacement Considerations

Consult official Skyworks documentation for verified pin-to-pin or functional replacements. Cross-reference any alternative parts to ensure identical FXS channel count, voltage specifications, and package dimensions.