GP2W0004YP Datasheet, PDF (3/7 Pages) Sharp Electrionic Components – IrDA Transceiver Module

Fig.1 Recommended External Circuit
GP2W0004YP
1
2
3
4
5
6
Components circuit
Recommend values
CX1
*22µF
CX2
*0.1µF
RL
(Table1)
* Please choose the most suitable CX1 and CX2 according to the
noise level and noise frequency of power supply.
CX1
+
Table1
VLED
RL
RL
2.4≤VLED≤3.6V 0Ω±5%, 0.5W
3.5≤VLED≤4.8V 1.3Ω±5%, 0.5W
4.5≤VLED≤5.5V 2.7Ω±5%, 0.5W
CX2
TX
RXD
SD
VCC
GND
1 LEDA
2 TXD
3 RXD
4 SD
5 V_CC
6 GND
Fig.2 Example of Signal Waveform
T
T
1 Transmitting data
0
1
0
1
2 Encoder output
3T/16
3 Optical signal
4 GP2W0004YP output
5 Receiving data
0
1
0
1
T=
1
Transfer rate
Transfer rate ; 2.4kb/s,9.6kb/s,19.2kb/s,38.4kb/s,57.6kb/s,115.2kb/s