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參數(shù)資料
| 型號： | SC9148S |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | FOR INFRARED REMOTE CONTROL TRANSMITTER |
| 中文描述： | 的紅外遙控器 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 83K |
| 代理商： | SC9148S |
Silan
Semiconductors
SC9148B
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Rev: 2.1
2002.09.10.
2
ABSOLUTE MAXIMUM RATINGS
Characteristic
Supply Voltage(Pin 16)
Input/Output Voltage
Power Dissipation
Operating Temperature
Storage Temperature
ELECTRICAL CHARACTERISTICS
(Tamb=25
°
C V
DD
=3.0V,Unless otherwise specified)
Parameter
Symbol
Operating Supply Voltage
V
DD
All function operation
Operating supply current
I
DD
Key ON, without load
Quiescent Current comsuption
I
DS
All key OFF stop of OSC
“H” Level
V
IH
K1~K6
CODE
Voltage
“L” Level
V
IL
“H” Level
I
IH
V
IH
=3.0V
K1~K6 Input
Current
“L” Level
I
IL
V
IL
=0V
“H” Level
I
IH
V
IH
=3.0V
CODE
TEST
Current
“L” Level
I
IL
V
IL
=0V
“H” Level
I
OH
V
OH
=2.0V
T1~T3 Output
Current
“L” Level
I
OL
V
OL
=3.0V
O
Symbol
V
DD
V
IN
,V
OUT
P
D
Tamb
Tstg
Value
6.0
Unit
V
V
mW
°
C
°
C
Vss-0.3V ~ V
DD
+0.3V
200
-20 ~ +75
-55~+125
Test conditions
Min
2.2
Typ
Max
5.0
1.0
1.0
3.0
0.5
60
1.0
1.0
60
Unit
V
mA
μ
A
V
V
μ
A
μ
A
μ
A
μ
A
μ
A
2.0
0
20
-1.0
-1.0
20
-500
Input
30
I
Input
30
50
μ
A
“H” Level
I
OH
V
OH
=2.0V
-0.1
mA
Tx
Output
Current
“L” Level
I
OL
V
OL
=3.0V
1.0
mA
OSC Feedback resistor
Oscillation frequency
PIN DESCRIPTION
Pin No.
1,16
2,3
Rf
500
455
k
kHz
f
OSC
400
600
Symbol
GND,V
DD
XT, non-XT
Terminal
Function/operation
Supply Voltage Terminal
Terminal for OSC, and used for connecting a
455kHz ceramic resonater etc. (with a built-in
feedback resistor)
Key input Terminal for key matrix. 18 keys can
be connected at T1~T3 x K1~K6 (with a built-in
pull-down resistor)
Digit timing output terminal for key matrix.
Termial for OSC
4~9
K1~K6
Key Input terminal
10~12
T1~T3
Timing Signal Output
Terminal
Code bit input Terminal
13
CODE
Terminal for matching code between transmitting
and receiving
Keep this terminal open
Transmitting signal output. Modulation is made
by 12 bits 1 cycle and 38kHz carrier wave.
14
15
Non-TEST
Tx Out
Test terminal
Transmitting output terminal
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