SI32193-A-GM1R

Telecom Overview

The SI32193-A-GM1R is a single-channel Foreign Exchange Station (FXS) telephony interface integrated circuit manufactured by Skyworks Solutions. It implements the complete ProSLIC solution within a 4 x 6 mm, 38-pin QFN package. The device operates from a 3.3 V supply with a 3-wire ISI digital interface supporting 1.8 to 3.3 V I/O levels. It supports a maximum battery voltage of -100 V and functions within an industrial temperature range of -40 °C to +85 °C. Key electrical parameters include a DC loop feed current up to 45 mA, wideband audio support (150 Hz–6.8 kHz), and integrated DTMF detection capabilities.

Telecom Feature Summary

• Performs all BORSCHT functions including battery feed, over-voltage protection, ringing, supervision, codec, hybrid, and test capabilities in a single package.
• Features patented low-power ringing and adaptive ringing modes optimized for tracking battery supplies to minimize power consumption.
• Includes built-in DSP, monitor ADC, and test load to facilitate self-testing and metallic loop testing (MLT).
• Supports wideband audio for enhanced voice quality and includes integrated DTMF detection functionality.

Telecom Applications

• VoIP Gateways and Routers
• xDSL Integrated Access Devices (IADs)
• Analog Terminal Adapters (ATA)
• Wireless Local Loop (WLL) systems

Telecom Procurement Notes

Verify the specific ordering suffix 'GM1R' against official Skyworks documentation to confirm industrial temperature grade (-40°C to +85°C) and tape-and-reel packaging format. Ensure compatibility with the host system's 3-wire ISI interface timing requirements and 3.3V logic levels before finalizing procurement.

Telecom Selection Notes

Select this component when a complete FXS solution with DTMF detection is required in a compact form factor. The industrial temperature rating makes it suitable for outdoor or harsh environments. Compare with the Si32192 variant if DTMF detection is not needed, or consider the commercial grade Si32193-A-FM1R if operating temperatures remain within 0°C to 70°C.

Telecom Part Context

This part belongs to the Si3219x series of ProSLIC devices, which are designed as single-channel FXS solutions. The series offers global programmability for various telephony standards and supports flexible dc-dc controller configurations for cost-effective power management in telecommunication infrastructure.

Telecom Replacement Considerations

The Si32192-A-GM1R serves as a direct substitute if DTMF detection is not required. For commercial temperature applications only, the Si32193-A-FM1R is compatible. Verify that any replacement maintains the same QFN-38 package footprint and ISI interface compatibility.