SI2438-A-FTR

Overview

The SI2438-A-FTR is a system-side ISOModem network controller and processor IC manufactured by Skyworks Solutions, Inc. It supports V.34 data transmission standards with a maximum data rate of 56 kb/s. The device operates on a single 3.3 V power supply, drawing approximately 17 mA during operation. It features SPI and UART interface types for communication with host processors. The component is housed in a 24-TSSOP package with a width of 0.173 inches (4.40 mm). It is designed for surface mount installation and functions within an operating temperature range of 0°C to +70°C. The unit weight is specified at 189.200 mg.

Feature Summary

• Supports V.34 data protocols for high-speed modem communications
• Integrates system-side processing capabilities for network control
• Provides flexible connectivity via SPI and UART interfaces

Applications

• System-side ISOModem implementations
• V.34 data modem systems
• Network controller applications requiring serial communication

Procurement Notes

Verify the specific suffix 'FTR' indicates tape and reel packaging when sourcing. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor datasheets. Ensure the supplier provides valid traceability records for this Skyworks component. Check for any obsolescence notices as the part may be designated for limited availability.

Selection Notes

Select this component for designs requiring V.34 compliant system-side modem functionality. Ensure the host system supports the required SPI or UART interface protocols. Verify that the PCB layout accommodates the 24-TSSOP package dimensions. Confirm that the power supply can maintain stable 3.3 V operation within the specified current limits.

Part Context

This part belongs to the SI2438 series of ISOModem controllers from Skyworks Solutions. It is functionally related to other variants such as the SI2438-A-FT, differing primarily in packaging format. The series is categorized under Network Controller & Processor ICs within the Communication & Networking ICs subcategory.

Replacement Considerations

The SI2435-F-FT is listed as a manufacturer-recommended alternative for the SI2438-A-FT variant. Verify pin compatibility and functional equivalence before substitution. Consult official Skyworks documentation for detailed cross-reference information.