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U3760MB Datasheet(PDF) 1 Page - TEMIC Semiconductors |
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U3760MB Datasheet(HTML) 1 Page - TEMIC Semiconductors |
1 / 19 page U3760MB Rev. A3, 19-Feb-98 1 (19) Low-Voltage Standard Telephone Circuit Description TEMIC’s low-voltage telephone circuit, U3760MB, performs all the speech and line interface functions required in an electronic telephone set tone ringer, pulse and DTMF dialing with redial. Electrostatic sensitive device. Observe precautions for handling. Features Speech Circuit D Adjustable dc characteristic D Symmetrical input of microphone amplifier D Receiving amplifier for dynamic or piezo-electric earpieces D Automatic line-loss compensation D Selectable flashing duration by key pad D Pause function D Last number redial up to 32 digits D Standard low-cost 3.58-MHz crystal or ceramic resonator Dialer D DTMF / pulse switchable D Pulse dialing 66/33 or 60/40 for 10 ppS and 20 ppS or DTMF dialing selectable by pins D Key tone Tone Ringer D Two-tone ringer D Adjustable volume D RC oscillator D Adjustable threshold Benefits D Low number of external components D High quality through one-IC solution D One IC for all standards Ordering Information Extended Type Number Package Remarks U3760MB-MSD SDIP40 U3760MB-MFN SSO44 U3760MB-MFNG3 SSO44 Taped and reeled |
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