SI3208-B-FMR

Telecom Overview

The SI3208-B-FMR is a single-channel telecom interface integrated circuit manufactured by Skyworks Solutions Inc. It functions as a Subscriber Line Interface Concept (SLIC) and CODEC, designed for wideband FXS applications. The device operates on a 3.3 V supply voltage and features a QFN-40 package with surface-mount installation. It supports PCM and SPI interfaces, making it suitable for digital telephony systems requiring high-efficiency line feeding and audio processing capabilities.

Telecom Feature Summary

• Integrates SLIC and CODEC functionality within a single channel
• Supports wideband voice transmission for enhanced audio quality
• Enables direct connection to digital telephony processors via standard interfaces

Telecom Applications

• Digital subscriber line interface circuits
• VoIP gateway hardware design
• PBX system user line connections
• Telecom base station audio interfaces

Telecom Procurement Notes

Verify the specific suffix 'B' against official Skyworks documentation to confirm pinout and functional compatibility. Ensure the QFN-40 package dimensions match your PCB footprint requirements. Confirm that the operating temperature range aligns with your environmental specifications before finalizing procurement orders.

Telecom Selection Notes

Select this component when a single-channel solution combining line interface and codec functions is required. It is appropriate for designs needing 3.3 V operation and compact surface-mount packaging. Consider alternative models if multiple channels or different interface protocols are necessary for the target application architecture.

Telecom Part Context

This part belongs to Skyworks' ProSLIC family of telecom interface ICs. These components are widely used in modern telecommunications equipment to bridge analog telephone lines with digital processing systems. The series emphasizes integration and efficiency for various fixed and mobile network infrastructure applications.

Telecom Replacement Considerations

Direct replacement options may include other SKUs within the same ProSLIC family with compatible package types. Verify electrical parameters and interface compatibility before substituting. Consult official datasheets for cross-reference information regarding discontinued or updated variants.