Description

The SI2435-FT is a two-chip electronic component model in the IC Chips product category. It is a complete 2400 bps modem designed by Silicon Laboratories. This model integrates the fourth-generation direct access arrangement (DAA), which allows for a globally-programmable telephone line interface with a high level of integration. The SI2435-FT eliminates the need for additional components such as a DSP data pump, modem controller, codec, isolation transformer, relay, opto-isolators, and 2-4 wire hybrid. It offers conventional data formats at connect rates of up to 2400 bps with full-duplex operation over the Public Switched Telephone Network (PSTN). The compact size, minimal external component count, and low power consumption make it ideal for embedded modem applications.

Specifications and Features

- Data modem formats:
    - 2400 bps: V.22bis
    - 1200 bps: V.22, V.23, Bell 212A
    - 300 bps: V.21, Bell 103
    - Fast connect and V.23 reversing
    - SIA and other security protocols
- 27 MHz CLKIN support
- Caller ID detection and decode
- UART with flow control
- Integrated DAA:
    - Over 6000 V capacitive isolation
    - Parallel phone detection
    - Compliant with FCC, China, JATE, and 31 other PTTs
    - Line-in-use detection
- AT command set support
- Call progress support
- 3.3 V Power
- Lead-free and RoHS-compliant packages

Application Scenarios

- Set-top boxes
- Point-of-sale
- ATM terminals
- Security systems
- Medical monitoring
- Power meters

Comparison