SI2438-A-GT

Overview

The SI2438-A-GT is a network controller and processor IC belonging to the ISOmodem family, manufactured by Skyworks Solutions Inc. Designed for system-side applications, this component functions as a V.34 data modem supporting fax operations with a maximum data rate of 56 kbps. It utilizes a 24-TSSOP surface-mount package and operates within a supply voltage range of 3V to 3.6V. The device supports standard protocols including V.34 and is rated for an operating temperature range from 0°C to +70°C.

Feature Summary

• Supports V.34 protocol standards for high-speed data transmission
• Integrated system-side ISOModem functionality for fax and data applications
• Capable of 56 kbps data rates for efficient communication

Applications

• System-side fax modems
• V.34 data communication systems
• Network controller interfaces

Procurement Notes

Verify the specific suffix against official documentation, as the GT variant may differ in packaging or availability compared to the FT version. Confirm current production status and lead times directly with Skyworks Solutions or authorized distributors before finalizing procurement plans.

Selection Notes

Select the SI2438-A-GT for designs requiring integrated V.34 fax and data capabilities on the system side. Ensure the design accommodates the 24-TSSOP footprint and the specified 3V to 3.6V power supply requirements. Verify compatibility with host processor interfaces for reliable integration.

Part Context

This component is part of the Skyworks ISOmodem series, which provides integrated solutions for legacy telephone network communications. The SI2438 model specifically addresses system-side requirements for fax and data modems, offering a compact alternative to discrete modem implementations in industrial and commercial equipment.

Replacement Considerations

The SI2435-F-FT is listed as a manufacturer-recommended substitute. Verify functional equivalence and pinout compatibility before substitution.