TEA7063

TEA7063 SPEECH CIRCUIT WITH POWER MANAGEMENT PRELIMINARY DATA 2/4 WIRES INTERFACE WITH - double antisidetone network - AC impedance externally programmable - Rx output dynamic programmable - AGC attack-disconnect points programmable ANTI-CLIPPING/ANTI DISTORTION CIRCUIT PROGRAMMABLE DTMF INTERFACE 3.3 VOLTS SUPPLY FOR MICROPROCESSOR OR DIALER EXTRA CURRENT SUPPLY PROGRAMMABLE FOR LOUD SPEAKER DC CHARACTERISTIC PROGRAMMABLE FOR ALL SPECIFICATION LOW CURRENT OPERATION DESCRIPTION The TEA7063 is designed to meet the different BLOCK DIAGRAM DIP20 SO20 ORDERING NUMBERS: TEA7063FP TEA7063DP worldwide specifications for telephone set in medium and high range equipments. January 1994 1/15 This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice. TEA7063 PIN CONNECTION (Top view) LONG LINE SIDETONE SHORT LINE SIDETONE IMPEDANCE BUFFER OUTPUT V-REF DTMF INPUT MICROPHONE INPUT I-REF I START SQUEEZING THRESHOLD 1 2 3 4 5 6 7 8 9 10 D93TL021 20 19 18 17 16 15 14 13 12 11 EARPHONE MICROCONTROLLER POWER SUPPLY NOISE FILTER V-CAPA V-LINE I SLOPE MIC/MIC-EARPHONE MUTE GND CURRENT SUPPLY FOR L.S. AMP SOFT-CLIPPING FILTER ABSOLUTE MAXIMUM RATINGS Symbol Max. Current DC (steady) Max. Voltage AC (steady) Max. Voltage AC + DC (steady) Max. Current (20ms) ONE SHOT Max. Voltage (20ms) ONE SHOT current < 1A Ptot TJ Total Power Dissipation Junction Temperature Parameter Value 150 7.5 9 1 12 1 130 Unit mA V V A...