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IL9270N Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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1 / 5 page IL9270N Korzhenevskogo 12, Minsk, 220064, Republic of Belarus Fax: +375 (17) 278 28 22, Phone: +375 (17) 278 07 11, 277 24 70, 277 24 61, 277 69 16 E-mail: belms@belms.belpak.minsk.by URL: www.bms.by DTMF signal receiver (analog HM9270) IC IL9270N is (DTMF) signal two-channel receiver-decoder (code 2 from 8).IÑ is fabricated on CÌÎS technology and containes bandpass filters on switched capacitors. IC checks length of incoming twochannel signal dispatches and pauses between them. Information output as 4-digit binary code.IC clocking is carried out from quartz(-crystal) resonator with frequency Fc= 3,579545 ÌHz. MAIN CHARACTERISTICS demodulates all 16 standard DTMF signals Low consumed capacitance: 15 mW One power source: 5 V+-5% quarts generator with frequency 3,58 mHz is used three state outputs probability of mistaken decoding is 1/10000 Package - plastic 18-connection DIP (type 2104.18-À) APPLICATION * Àutomatic Òelephone Station * call alert paging * remote control systems * credit card systems * button telephone systems * answering mashine * domestic auto systems Arrangement and purpose of outputs Pin Symbol Purpose 01 02 03 04 05,06 07,08 09 10 11·14 15 16 17 18 IN+ IN- CS Vref NC OSC1,2 GND TOE Q1-Q4 StD ESt St/GT Vcc non inverting input ÎA inverting input ÎA operational amplifier outputÎA) reference voltage output (Vcc/2) unconnected tact input/output. general input of output inable three state data output control outputèÿ output of early control control input/output power +5 V |
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