Si32174-C - Skyworks

Si32174-C SINGLE-CHIP FXS

The Si3217x-C devices are pin-compatible single-channel ProSLIC products that implement a complete foreign exchange station (FXS) telephony interface solution in accordance with all relevant LSSGR, ITU, and ETSI specifications. The Si3217x-C ProSLIC ICs operate from a 3.3 V supply and interface to standard PCM/SPI digital interfaces with 3.3 V or 1.8 V I/O. .

Features

 Complete FXS solution in 5 x 7 mm
 Software-programmable
 Performs all BORSCHT functions parameters:
 Ideal for short to medium loops
 Global programmability
 Internal balanced or unbalanced ringing
 Patented low power ringing
Ringing frequency, amplitude, cadence, and waveshape
Two-wire ac impedance
Transhybrid balance
DC current loop feed (10-45 mA)
Loop closure and ring trip
 Simplified configuration and thresholds diagnostics
Ground key detect threshold
 Supported by ProSLIC API
 GCI/IOM-2 mode support
 Ultra low power consumption
 DTMF generation
 I.