ST75951

`V.34/56K . MODEM ANALOG FRONT-END (AFE)
`16 BITS OVERSAMPLING SIGMA DELTA A/D AND D/A CONVERTERS
`85dB DYNAMIC RANGE
`PROGRAMMABLE SAMPLING FREQUENCY
`AUXILIARY ANALOG INPUT
`MODEM SIDE OF SILICON DATA ACCESS AR RANGEMENT (DAA) INTEGRATED WITH AFE
`KRYPTON ISOLATION INC. PATENTED TECHNOLOGY ELIMINATE TRANSFORMER OR LINEAR OPTO-COUPLERS
`RING DETECT, LINE IN USE, CLID AND OVER LOOP CURRENT DETECT
`4 GPIO ASSOCIATED WITH 1 GENERAL PURPOSE INTERRUPT OUTPUT
`ANALOG AND DIGITAL LOOP-BACK MODE
`SYNCHRONOUS SERIAL INTERFACE FOR PROCESSORS DATA EXCHANGE
`ON CHIP REFERENCE VOLTAGE
`SINGLE POWER SUPPLY RANGE : 2.7V TO 5.25V
`LOW POWER CONSUMPTION : 40mW @ 3.3V
`TQFP48 PACKAGE
`0.5M CMOS PROCESS

ST75951 is an analog front-end designed to implement modems application up to 56Kbps.

ST75951 interfaces between DSP or HSP signals and capacitive isolation barrier.

A complete D.A.A. is made with ST952 which interfaces between capacitive isolation barrier and the telephone line.