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STLC3075 Datasheet(PDF) 1 Page - STMicroelectronics |
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STLC3075 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 26 page  1/26 STLC3075 January 2005 1 FEATURES ■ MONOCHIP SLIC OPTIMISED FOR WLL & VoIP APPLICATIONS ■ IMPLEMENT ALL KEY FEATURES OF THE BORSHT FUNCTION ■ SINGLE SUPPLY (4.5 TO 12V) ■ BUILT IN DC/DC CONVERTER CONTROLLER. ■ SOFT BATTERY REVERSAL WITH PROGRAMMABLE TRANSITION TIME. ■ ON-HOOK TRANSMISSION. ■ PROGRAMMABLE OFF-HOOK DETECTOR THRESHOLD ■ METERING PULSE GENERATION AND FILTER ■ INTEGRATED RINGING ■ INTEGRATED RING TRIP ■ PARALLEL CONTROL INTERFACE (3.3V LOGIC LEVEL) ■ PROGRAMMABLE CONSTANT CURRENT FEED ■ SURFACE MOUNT PACKAGE ■ INTEGRATED THERMAL PROTECTION ■ DUAL GAIN VALUE OPTION ■ AUTOMATIC RECOGNITION FLYBACK AND BUCKBOOST CONFIGURATION ■ BCDIIIS 90V TECNOLOGY ■ -40 TO +85°C OPERATING RANGE 2 DESCRIPTION The STLC3075 is a SLIC device specifically de- signed for WLL (Wireless Local Loop), and ISDN- Terminal Adaptors and VoIP applications. One of the distinctive characteristic of this device is the ability to operate with a single supply voltage (from +4.5V to +12V) and self generate the negative bat- tery by means of an on chip DC/DC converter con- troller that drives an external MOS switch. INTEGRATED POTS INTERFACE FOR HOME ACCESS GATEWAY AND WLL Figure 2. Block Diagram PD D0 D1 D2 DET RTTX CAC ILTF RD IREF RLIM RTH CSVR CVCC VPOS BGND TIP RING VBAT AGND TX RX ZAC1 ZAC RS ZB CTTX1 CTTX2 FTTX CKTTX SUPERVISION TTX PROC AC PROC REFERENCE STAGE LINE DRIVER CREV INPUT LOGIC AND DECODER OUTPUT LOGIC VOLT. Vcc Vss Agnd OUTPUT REG. Status and functions CLK RSENSE GATE VF DC/DC CONV. DC PROC Vbat GAIN SETTING CZ Figure 1. Package Table 1. Order Codes Part Number Package STLC3075 TQFP44 TQFP44 Rev. 3 |
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