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M3004LD fiches techniques PDF

ST Microelectronics - REMOTE CONTROL TRANSMITTER

Numéro de référence M3004LD
Description REMOTE CONTROL TRANSMITTER
Fabricant ST Microelectronics 
Logo ST Microelectronics 





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M3004LD fiche technique
M3004LAB1
M3004LD
REMOTE CONTROL TRANSMITTER
. FLASHED OR MODULATED TRANSMISSION
. 7 SUB-SYSTEM ADDRESSES
. UP TO 64 COMMANDS PER SUB-SYSTEM
ADDRESS
. HIGH-CURRENT REMOTE OUTPUT AT
VDD = 6V (– IOH = 80mA)
. LOW NUMBER OF ADDITIONAL COMPO-
NENTS
. KEY RELEASE DETECTION BY TOGGLE
BITS
. VERY LOW STAND-BY CURRENT (< 2µA)
. OPERATIONAL CURRENT < 1mA AT 6V
SUPPLY
. SUPPLY VOLTAGE RANGE 2 TO 6.5V
. CERAMIC RESONATOR CONTROLLED
FREQUENCY (typ. 450kHz)
DIP20
(Plastic Package)
ORDER CODE : M3004LAB1
SO20
(Plastic Package)
ORDER CODE : M3004LD
PIN CONNECTIONS
DESCRIPTION
The M3004LAB1/M3004LD transmitter IC are de-
signed for infrared remote control systems. It has
a total of 448 commands which are divided into 7
sub-system groups with 64 commands each. The
sub-system code may be selected by a press but-
ton, a slider switch or hard wired.
The M3004LAB1/M3004LD generate the pattern
for driving the output stage. These patterns are
pulse distance coded. The pulses are infrared
flashes or modulated. The transmission mode is
defined in conjunction with the sub-system ad-
dress. Modulated pulses allow receivers with nar-
row-band preamplifiers for improved noise
rejection to be used. Flashed pulses require a
wide-band preamplifier within the receiver.
June 1992
REMO
SEN 6N
SEN 5N
SEN 4N
SEN 3N
SEN 2N
SEN 1N
SEN 0N
ADRM
VSS
1
2
3
4
5
6
7
8
9
10
20 VDD
19 DRV 6N
18 DRV 6N
17 DRV 6N
16 DRV 6N
15 DRV 6N
14 DRV 6N
13 DRV 6N
12 OSC OUT
11 OSC IN
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