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PDF IL9270N Data sheet ( Hoja de datos )
| Número de pieza | IL9270N | |
| Descripción | DTMF signal receiver | |
| Fabricantes | ETC | |
| Logotipo |  |
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IL9270N
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
01
02
03
04
05,06
07,08
09
10
11·14
15
16
17
18
Symbol
IN+
IN-
CS
Vref
NC
OSC1,2
GND
TOE
Q1-Q4
StD
ESt
St/GT
Vcc
Purpose
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
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: [email protected]
URL: www.bms.by
1 page  
IL9270N
Time diagram
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: [email protected]
URL: www.bms.by
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet IL9270N.PDF ] | |
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