RPM882-H12E4 Rohm Semiconductor, RPM882-H12E4 Datasheet - Page 7

• Manufacturer Part Number: RPM882-H12E4
• Description: Infrared Transceivers IRDA INFRARED COMMUNICATIONS
• Manufacturer: Rohm Semiconductor

Specifications of RPM882-H12E4

• Wavelength: 890 nm
• Continual Data Transmission: 115.2 Kbit/s
• Radiant Intensity: 13 mW/sr
• Half Intensity Angle Degrees: 44 deg
• Pulse Width: 2.3 us, 1.63 us
• Maximum Rise Time: 35 ns, 120 ns
• Maximum Fall Time: 35 ns, 120 ns
• Led Supply Voltage: 2.6 V to 5.5 V
• Maximum Forward Current: 52 mA
• Operating Voltage: 2.4 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 25 C
• Package / Case: SMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Photo Link Module
(Receiving side)
Emitting Mode
Light input
PWDOWN RXD
(5pin)
RXD
(6pin)
LED Emitting
PWDOWN
(2-b) RC transmit mode at IrDA receiver power down condition.
∗
TX-RC
If TX-RC or TXD input pulse width is wider than 48µs, output LED emitting pulse will be turn off approximately 48µs.
(4pin)
(7pin)
(5pin)
TXD
Note RXD output become stable after 200µs since PWDOWN is changed from H to L.
RXD output could be unstable at H to L within 200µs.
PWDOWN
∗
RXD output width is fixed approximately 2.3µs.
L
L
H
H
Min 1µs
IrDA
TX-RC
Input
L
L
L
Min 1µs
RC
TXD
L
L
L
Pull up to V
approximately 300kΩ
LED Mode
OFF
IrDA
OFF
RC
Condition
IO
Min 1µs
RC
at
Recriver circuit
OFF
OFF
ON
ON
Min 1µs
IrDA
Min 200µs
RPM882-H12
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