RPM872-E4A Rohm Semiconductor, RPM872-E4A Datasheet - Page 6

• Manufacturer Part Number: RPM872-E4A
• Description: MODULE IRDA 115.2KBPS 8SMD
• Manufacturer: Rohm Semiconductor

Specifications of RPM872-E4A

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Photo Link Module
1) VLEDA(8pin), V
2) Caution in designing board lay-out
3) Others
4) Eye Safe
Notes
External dimensions (Unit : mm)
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To get maximum potential from RPM872, please keep in mind following instruction.
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⇒This is to minimize feedback supplied to photo diode from RXD.
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to be close to photo diode side (1pin).
generates noise, such as DC / DC converter.
(for < 90µs. On duty < 20%).
different signal format.
Other power source can be used difference between VLEDA and V
The line of RXD (6pin) should be connected at backside via through hole close to RPM872 pin lead. Better not
As for C1 between 3-4 pin should be placed close to RPM872.
Better to be placed more than 1.0cm in radius from photo diode (pin1 side) and also away from the parts which
Please be sure to set up the TXD (7pin) input to be “L” (under 0.3V) except transmitting data
Powerdown current might increase if exposed by strong light (ex. direct sunlight) at powerdown mode.
Please use by the signal format which is specified by IrDA Ver1.2 (Low Power). There might be on error if used by
Dust or dirt on lens portion may affect the characteristics, so pay sufficient attention.
IEC825-1 (EN60825-1) Class 1 Eye Safe.
R1.1
1
Pin PD
1
CC
(3pin) and VIO(2pin)
3.8
0.95
0.37 ±0.10
P0.95 × 7=6.65
5.6
7.6
RSLP8
LED
8
0.78
R1.0
0.76
CC
and VIO. (VIO < V
CC
+0.3V)
Rev.B
RPM872
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