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參數(shù)資料
| 型號(hào)： | RPM882-H14E2 |
| 廠商： | Rohm Semiconductor |
| 文件頁(yè)數(shù)： | 8/10頁(yè) |
| 文件大?。?/td> | 94K |
| 描述： | MODULE IRDA 115.2KBPS 8SMD |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 系列： | * |
RPM882-H14
Photo Link Module
8/9
Attached components
Recommended values
Part symbol
C1
Recommended value
Notice
1礔, tantalum or ceramic
Ex.) TCFGA1A105M8R (ROHM)
Bigger capacitance is recommended with much noise from power supply
R1
4.7&?%, 1/8W
(VLEDVCC=3V)
At LED Emitting Duty=20%
[LED current set-up method for Remote control mode]
In case of using R1 with different condition from the above, formula is as follows :
LED resistance value : R1[&], LED average consumption current : ILED[mA], Supply voltage : VLEDVCC[V],
minimum necessary of irradiant intensity le1 [mW / sr]
(Including LEDs distribution within ?5deg)
R1=166 ?(VLEDVCC1.28) / le15.0
ILED=Duty ?(VLEDVCC1.28) / (R1+3.5)
Duty : LED duty at emitting
Please set up to be ILED / Duty < 250[mA] (Duty d 50%)
At IrDA Mode, LED current is constantly approximately 40mA.
(Reference) In case of using R1, typical intensity (le1typ) and maximum intensity (le1max) on
axis are described as below.
le1typ=300 ?(VLEDVCC1.28) / (R1+3.5)
le1max=600 ?(VLEDVCC1.28) / (R1+3.5)
Notes
1) LEDVCC (8pin), VCC (3pin) and VIO (2pin)
"
Other power source can be used difference between LEDVCC and VCC and VIO.
(VIO < VCC + 0.3V)
2) Caution in designing board lay-out
To get maximum potential from RPM882-H14, please keep in mind following instruction.
"
The line of RXD (6pin) should be connected at backside via through hole close to RPM882-H14 pin lead. Better not to
be close to photo diode side (1pin).
襎his is to minimize feedback supplied to photo diode from RXD.
"
As for C1 between 1-3 pin should be placed close to RPM882-H14.
"
Better to be placed more than 1.0cm in radius from photo diode (pin1 side) and also away from the parts which
generates noise, such as DC / DC converter.
3) Notes
"
Please be sure to set up the TX-RC (4pin) and the TXD (7pin) input to be L (under 0.3V) except transmitting data
(for < 90祍, ON duty d 50%).
"
Power down current might increase if exposed by strong light (ex. direct sunlight) at powerdown mode.
"
Please use by the signal format at IrDA operating mode which is specified by IrDA Ver1.2 (2.4k to 115.2kbps). There
might be on error if used by different signal format.
"
Please pay attention to the lens carefully.
Dusts of scratch on the lens may effect the characteristics of product. Please handle it with care.
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| RPM882-H14E2A | 功能描述:光纖發(fā)射器、接收器、收發(fā)器 IRDA IR COMM SIDE VIEW W/SHIELD RoHS:否 制造商:Omron Electronics 產(chǎn)品:Transmitters 數(shù)據(jù)速率:3.5 Gbps 波長(zhǎng):850 nm 最大工作溫度: 最小工作溫度: 封裝 / 箱體: 封裝: |
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| RPM882-H7E2 | 制造商:ROHM Semiconductor 功能描述:IRDA COMMUNICATION MODULE SIR - Tape and Reel 制造商:ROHM Semiconductor 功能描述:IC IRDA IR COMMUNICATION MODULE 制造商:ROHM Semiconductor 功能描述:IRDA COMM MOD SIR |
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