ST75951
DESCRIPTION
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 plete D.A.A. is made with ST952 which interfaces between capacitive isolation barrier and the telephone line. Figure 1
Tip Digital
75951-30.EPS
ST75951 Digital
ST952
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
PIN CONNECTIONS
TSTA2 TSTA1 VCMS VCMP NC NC D1 D2 D3 D4 D5 D6
36 35 34 33 32 31 30 29 28 27 26 25 NC AGND2 VCM AVDD AUXIN HM RESET TS TSTD1 DIN DOUT NC 37 38 39 40 41 42 43 44 45 46 47 48 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 NC AGND1 VREFN VREFP GPIO0 GPIO1 GPIO2 GPIO3 GPI RING M/S NC
DGND
XTALOUT
XTALIN (MCLK)
PWRDWN
HC1
SCLK
DVDD
HC0
2/21
75951-01.EPS
PIN LIST
Pin Number 2 3 4 5 6 7 8 9 10 11 14 15 16 17 18 19 20 21...
