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SI32170-B-GM1R is listed in the Telecom range at ChipApex. The manufacturer field lists Skyworks Solutions Inc.. Its product description is IC TELECOM INTERFACE 42QFN. Review the specifications below when checking this part for your BOM.
Telecom specifications for SI32170-B-GM1R
- Description：IC TELECOM INTERFACE 42QFN
- Series：-
- Mfr：Skyworks Solutions Inc.
- Package：Tape & Reel (TR)
- Function：Subscriber Line Interface Concept (SLIC), CODEC
- Interface：PCM, SPI
- Number of Circuits：1
- Voltage - Supply：-
- Current - Supply：-
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：42-WFQFN Exposed Pad
- Supplier Device Package：42-QFN (5x7)
- Power (Watts)：-
- Grade：-
- Qualification：-
Telecom datasheet and documents for SI32170-B-GM1R
Telecom Overview
The Si32171-B-GM1R is a single-channel ProSLIC FXS telephony interface IC from Skyworks Solutions, operating on a 3.3 V supply with a voltage range of 3.13 V to 3.47 V. It supports –110 V battery voltage and features DTMF detection and pulse metering capabilities within an industrial temperature range of -40 °C to +85 °C. The device integrates BORSCHT functions, a tracking DC-DC controller, and wideband voice support in a 42-pin QFN package.
Telecom Feature Summary
- Performs all BORSCHT line interface functions for global programmability
- Integrates a tracking DC-DC controller for optimal battery voltage generation
- Supports DTMF detection and pulse metering for signaling applications
Telecom Applications
- Customer Premise Equipment (CPE)
- VoIP DSL Gateways and Routers
- Analog Terminal Adapters (ATA)
Telecom Procurement Notes
Verify the specific suffix GM1R against official Skyworks documentation to confirm the exact package variant and reel specifications. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer, as availability may vary by region.
Telecom Selection Notes
Select this component for designs requiring integrated FXS functionality with DTMF detection and pulse metering. Ensure the system design accommodates the 3.3 V supply requirement and the thermal dissipation characteristics of the 42-pin QFN package for the specified industrial temperature range.
Telecom Part Context
This part belongs to the Si3217x family of ProSLIC products, which are pin-compatible single-channel solutions. The family includes variants supporting different battery voltages (-110 V or -135 V) and temperature grades (commercial or industrial), offering flexibility for various telephony interface implementations.
Telecom Replacement Considerations
Consult the official ordering guide for pin-compatible alternatives within the Si3217x series, such as the Si32176 or Si32177 variants, depending on required battery voltage ratings and feature sets like FXO support.
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