ST75951 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'ST75951' PDF : 21 Pages View PDF
ST75951
V.34/56K ANALOG FRONT END
. 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
. 0.5µM CMOS PROCESS
DESCRIPTION
ST75951 is an analog front-end designed to im-
plement 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 inter-
faces between capacitive isolation barrier and the
telephone line.
TQFP48 (7 x 7 x 1.4mm)
(Full Plastic Quad Flat Pack)
ORDER CODE : ST75951
Figure 1
Digital
ST75951
Digital
ST952
Tip
Ring
It integrates a high resolution A/D and D/A
converter and incorporates Krypton Isolation
Inc. patented silicon D.A.A. technology.
February 1999
1/21
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