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SI3220

Part Number	SI3220
Manufacturer	Silicon Laboratories
Description	(SI3220 / SI3225) DUAL PROSLIC PROGRAMMABLE CMOS SLIC/CODEC
Published	Jul 11, 2006
Detailed Description	www.DataSheet4U.com S i 3 2 2 0/25 DUAL PROSLIC® PROGRAMMABLE CMOS SLIC/CODEC Features Performs all BORSCHT functions I...
Datasheet	SI3220 PDF File

Overview

www.
DataSheet4U.
com S i 3 2 2 0/25 DUAL PROSLIC® PROGRAMMABLE CMOS SLIC/CODEC Features Performs all BORSCHT functions Ideal for applications up to 18 kft Internal balanced ringing to 65 Vrms (Si3220) External bulk ringer support (Si3225) Software-programmable parameters: Ringing frequency, amplitude, cadence, and waveshape (Si3220) Two-wire ac impedance Transhybrid balance DC current loop feed (18–45 mA) Loop closure and ring trip thresholds Ground key detect threshold Automatic switching of up to three battery supplies On-hook transmission Loop or ground start operation with smooth/abrupt polarity reversal Modem/fax tone detection DTMF generation/decoding Dual tone generators A-Law/µ-Law, ...

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