SI2404-C-FT

Overview

The SI2404-C-FT is a 2.4 kbps ISOModem manufactured by Skyworks Solutions Inc., designed for telecommunications applications. It supports V.21, V.22, V.23, V.29, Bell 103, and Bell 212A standards. The device operates on a 3.3 V supply voltage with a maximum of 3.6 V and a minimum of 3.0 V. Operating current is specified at 17 mA. It features Parallel, SPI, and UART interface types and functions at a frequency of 4.92 MHz. The component is housed in a TSSOP-24 package suitable for surface mount technology (SMD/SMT). It is rated for an operating temperature range from -40°C to +85°C and is classified as moisture sensitive.

Feature Summary

• Supports multiple international telecommunication modulation standards including V-series and Bell protocols.
• Integrates flexible digital interfaces such as SPI, UART, and parallel connections for system integration.
• Designed for low-power operation within standard telecom voltage ranges.

Applications

• Telecommunications data transmission systems
• Remote monitoring equipment requiring reliable modem connectivity
• Industrial control networks utilizing legacy modem protocols

Procurement Notes

Verify the specific manufacturer designation, as some sources list Silicon Laboratories while others list Skyworks Solutions Inc. for this part number. Confirm the exact suffix requirements for your design. Check for obsolescence status or lifecycle changes before finalizing procurement plans. Ensure compatibility with existing inventory if replacing older versions.

Selection Notes

Select this component when a compact solution for 2.4 kbps data transmission is required. Ensure the host system supports the necessary interface protocols. Verify that the operating environment stays within the specified temperature limits. Consider the TSSOP-24 package constraints during PCB layout planning.

Part Context

This part belongs to the SI2404 series of ISOModems. It serves as a core communication controller for devices needing standardized analog modem capabilities over digital lines. The series is commonly found in infrastructure and industrial sectors where robust, low-speed data links are essential.

Replacement Considerations

SI2404-C-GTR is listed as a related variant with similar specifications. Verify pinout and electrical characteristics against the datasheet before substitution. Other models in the family may offer different packaging or interface options.