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参数资料
| 型号： | ASDL-3212-021 |
| 厂商： | LITE-ON ELECTRONICS INC |
| 元件分类： | 其它接口 |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, DMA6 |
| 封装： | 7 X 2.73 MM, 1.64 MM HEIGHT, MINIATURE PACKAGE-6 |
| 文件页数： | 11/17页 |
| 文件大小： | 542K |
| 代理商： | ASDL-3212-021 |
3
I/O Pins Configuration Table
Pin
Symbol
Description
I/O Type
Notes
LEDA
LED Anode
Note
2
TxD
IrDA transmitter data input.
Input, Active High
Note 2
3
RxD
IrDA receive data
Output, Active Low
Note 3
4
SD
Shutdown
Input, Active High
Note 4
5
Vcc
Supply Voltage
Note 5
6
GND
Ground
Note 6
Note:
1. Tiedthroughexternalresistor,R1,toVled.Refertothetablebelowforrecommendedseriesresistorvalue.
2. ThispinisusedtotransmitserialdatawhenSDpinislow.Ifheldhighforlongerthan50ms,theLEDisturnedoff.DoNOTfloatthispin.
3. ThispiniscapableofdrivingastandardCMOSorTTLload.Noexternalpull-uporpull-downresistorisrequired.Thepinisintri-statewhenthe
transceiverisinshutdownmode
4. CompleteshutdownofICandPINdiode.DoNOTfloatthispin.
5. Regulated,2.4Vto3.6V
6. Connecttosystemground.
1
2
3
4
5
6
Rear View
Figure 2. Pin out
CAUTION: The BiCMOS inherent to the design of this component increases the component’s susceptibility to
damage from electrostatic discharge (ESD). It is advised that normal static precautions be taken in handling
and assembly of this component to prevent damage and/or degradation which may be induced by ESD.
Recommended Application Circuit Components
Recommended Value
Note
R
2.7 ± 5%,0.25 watt for 2.4 ≤ VLED < 2.6
3.3 ± 5%,0.25 watt for 2.6 ≤ VLED < 2.8
3.9 ± 5%,0.25 watt for 2.8 ≤ VLED < 3.0
4.7 ± 5%,0.25 watt for 3.0 ≤ VLED < 3.3
5.6 ± 5%,0.25 watt for 3.3 ≤ VLED < 3.5
6.8 ± 5%,0.25 watt for 3.5 ≤ VLED < 3.8
8.2 ± 5%,0.25 watt for 3.8 ≤ VLED < 4.2
0 ± 5%,0.25 watt for 4.2 ≤ VLED < 4.7
2 ± 5%,0.25 watt for 4.7 ≤ VLED < 5.0
CX2
00 nF, ± 20%, X7R Ceramic
7
CX, CX3
6.8 mF, ± 20%, Tantalum
7
Note:
7. CX1 & CX2 must be placed within 0.7cm of ASDL-3212 to obtain
optimumnoiseimmunity
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