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參數(shù)資料
| 型號： | SAA3049A |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 搖控器 |
| 英文描述： | Infrared remote control decoder |
| 中文描述： | INFRARED, RECEIVER IC |
| 文件頁數(shù)： | 6/16頁 |
| 文件大?。?/td> | 92K |
| 代理商： | SAA3049A |
1996 Sep 13
6
Philips Semiconductors
Product specification
Infrared remote control decoder
SAA3049A
CHARACTERISTICS
V
CC
= 2.5 to 5.5 V; T
amb
=
40 to +85
°
C; unless otherwise specified.
Notes
1.
With pin 19 = HIGH, then pins 7, 8, 15, 16 and 17 are address inputs.
With pin 19 = LOW, then pins 7, 8, 15, 16, and 17 are 4 or 5 address received outputs.
a) In Figs 5, 6 and 7 this HIGH/LOW switching is dependent on whether the transistor on pin 19 is fed via a series
resistor or not. In both applications pin 19, which toggles several times (see Fig.4) while a valid command is
acknowledged, can be used to activate (flash) an LED indicator.
A quartz crystal with a frequency of 4 MHz is recommended for the standard transmitter application.
Application as output requires connection of an external pull-up resistor.
2.
3.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
V
CC
I
CC
supply voltage
supply current
2.5
0.3
5.5
0.7
V
mA
V
DD
= 3 V,
f
xtal
= 4 MHz
Input signals (pin 9)
V
IH
V
IL
HIGH level input voltage
LOW level input voltage
0.7V
CC
0
V
CC
0.3V
CC
V
V
Mode selection (pin 11)
V
IH
V
IL
HIGH level input voltage
LOW level input voltage
0.7V
CC
0
V
CC
0.3V
CC
V
V
Command received indicator and mode control (pin 19);
note 1
V
IH
V
IL
HIGH level input voltage
LOW level input voltage
0.7V
CC
0
V
CC
0.3V
CC
V
V
Crystal oscillator
f
osc
oscillator frequency
note 2
4
MHz
Outputs
O
PEN
-
DRAIN WITHOUT INTERNAL PULL
-
UP RESISTOR
; note 3
I
OL(sink)
LOW level output sink current
V
CC
= 5 V;
V
OL
= 0.4 V
1.6
12
mA
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