Silan
Semiconductorsꢀ
SC2128A
ꢀ
SC2268 IR TRANSMITTER APPLICATION CIRCUIT
+3V
SPEED
MODE
I1
I2
I3
Vcc
OSC1
OSC2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
220pf
455kHz
220pf
10Ω
TIMER
LIGHT
IR LED
I4 Tx OUT
A1015
SLEEP
SW2
I5
I6
I7
I8
C4
C5
C1815
1kΩ
SW1
C6
OFF/MEMS
Vss
SC2268
Note: SC2268 is recommended to be used with SC2128A. For this circuit, the “Start Word” is “00110011”
PACKAGE OUTLINE
DIP-16-300-2.54
UNIT:mm
2.54
1.50
15 degree
19.4
0.46
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
ꢀ
Rev: 1.0
2000.12.31ꢀ
15