SI3203-B-GM

Telecom Overview

The SI3203-B-GM is a Subscriber Line Interface Circuit (SLIC) and CODEC integrated circuit manufactured by Skyworks Solutions, Inc. Designed for telecom applications, it supports POTS line interfaces with integrated audio processing capabilities. The device operates within a supply voltage range of 4.75 V to 5.25 V and functions across an industrial temperature range of -40°C to +85°C. It is housed in a 40-lead QFN package measuring 6x6 mm, suitable for surface-mount assembly.

Telecom Feature Summary

• Integrated SLIC functionality for analog telephone line interface management
• Built-in CODEC for voice signal processing and digitization
• Supports standard POTS line signaling and loop feed requirements

Telecom Applications

• Analog telephone adapters (ATAs)
• VoIP gateways and residential gateways
• PSTN interface modules in communication equipment

Telecom Procurement Notes

Verify component authenticity through authorized Skyworks distributors or certified agents. Confirm RoHS compliance status via official datasheets. Ensure ESD handling protocols are followed during storage and assembly due to moisture sensitivity classification. Validate package marking against official fabrication records to prevent counterfeit substitution.

Telecom Selection Notes

Select this component for designs requiring integrated analog line driving and digital audio conversion in compact footprints. Consider thermal performance within the 6x6mm QFN enclosure. Verify compatibility with existing microcontroller I2C control interfaces. Assess power consumption against system battery or linear regulator constraints.

Telecom Part Context

This part belongs to Skyworks' telecom interface portfolio, specifically targeting legacy copper line integration into modern digital systems. It consolidates traditional discrete SLIC and codec components into a single monolithic solution, reducing bill-of-materials complexity for telecommunications hardware manufacturers.

Telecom Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Skyworks engineering for direct pin-compatible alternatives or functional equivalents if this obsolete lifecycle part requires replacement.