RPM882-H12E4 Rohm Semiconductor, RPM882-H12E4 Datasheet

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RPM882-H12E4

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

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
IrDA Infrared Communication Module
RPM882-H12
RPM882-H12 is an infrared communication module for IrDA Ver. 1.2 (Low Power). The infrared LED, PIN photo diode,
LSI are all integrated into a single package. This module is designed with power down function and low current
consumption at stand-by mode. The ultra small package makes it a perfect fit for mobile devices.
1) Infrared LED, PIN photo diode, LED driver & Receiver frequency formation circuit built in. Improvement of EMI noise
2) Applied to SIR (2.4 to 115.2kbps)
3) Surface mount type.
4) Power down function built in.
5) Low voltage operation as 1.5V of interface terminals to controller (TXD, RXD, PWDOWN, TX-RC).
6) Infrared remote control transmission driver built-in.
Mobile phone, PDA, DVC, Digital Still Camera, Printer, Handy Terminal etc.
∗1 This applies to all pins basis ground pins (1pin)
∗2 LED Peak
∗3 When glass-epoxy board (70 70 1.6mm) mounted. In case operating environment is over 25°C,
Supply voltage
Input voltage
Operation temperature
Storage temperature
LED peak current
Power dissipation
Supply voltage
Interface supply voltage
LED supply voltage
Features
Applications
Absolute maximum ratings (Ta=25°C)
Recommended operating conditions (Ta=25°C)
protection because of Shield Case.
4mW would be reduced per each 1°C stepping up.
Parameter
Parameter
Current<
90µs, On duty
VLEDV
V
Symbol
50%
in
V
V
(4, 5, 6, 7pin)
CC
Symbol
IO
Topr
V
Tstg
I
Pd
CC
max
FP
Min.
2.4
1.5
2.6
−0.3 to V
−30 to +100
−25 to +85
Typ.
3.0
3.0
3.0
Limits
300
300
7.0
∗1
∗2
∗3
IO
+0.3
Max.
V
3.6
5.5
CC
Unit
V
V
V
Unit
mW
mA
°C
°C
V
V
RPM882-H12
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RPM882-H12E4 Summary of contents

Page 1

... IrDA Infrared Communication Module RPM882-H12 RPM882-H12 is an infrared communication module for IrDA Ver. 1.2 (Low Power). The infrared LED, PIN photo diode, LSI are all integrated into a single package. This module is designed with power down function and low current consumption at stand-by mode. The ultra small package makes it a perfect fit for mobile devices. ...

Page 2

... Photo Link Module Block diagram and application circuit GND TX-RC PWDOWN / LED Mode POWER DOWN RXD TXD LEDA can be used on either common power source or different one RPM882-H12 C1 GND + TX-RC PWDOWN / LED Mode RXD TXD (LEDV ) CC R1 (3pin) ,V (2pin) and LEDV (8pin) ...

Page 3

... CMOS Logic Level Input 200k Holding TXD="H" status, LED will be turn off approximately 48µs. LED ANODE Terminal Other power source can be used LED difference between LEDV LED current depends on LED load resistance value at RC mode. Connect to Ground. RPM882-H12 Function (3pin) and and 3/9 ...

Page 4

... Tj 40 − Eemin 3.6 6.8 − − Eemax 500 θD/2 ±15 − − 20.5 48 120 RPM882-H12 =3.0V, Ta=25°C) CC Unit Conditions µA PWDOWN= input light µA PWDOWN input light IO kbps V =1 =1 =1 =1.5 to 1.8V IO µ ...

Page 5

... IrDA Receiver Emitting Mode Operation Condition L OFF IrDA OFF 50%). PWDOWN L L IrDA / RC H Controller H LEDV CC Min 1µs RC RPM882-H12 OFF OFF OFF Input Condition TXD LED Mode Recriver circuit OFF ON L IrDA ON L OFF OFF RC OFF Min 1µs Min 1µs RC IrDA ( "L" ) 5/9 ...

Page 6

... If TX-RC or TXD input pulse width is wider than 48µs, output LED emitting pulse will be turn off approximately 48µs. GND Transmitting V CC Controller (BU787X etc) TX-RC PWDOWN IrDA / RC RXD Controller TXD LEDA LEDV CC Condition TXD LED Mode Recriver circuit OFF ON L IrDA OFF OFF L Min 1µs IrDA RPM882-H12 Min 1µs IrDA RC 6/9 ...

Page 7

... Note RXD output become stable after 200µs since PWDOWN is changed from RXD output could be unstable within 200µs. Input Condition TX-RC TXD LED Mode Recriver circuit L L OFF IrDA OFF L Min 1µs Min 1µ Pull approximately 300kΩ RPM882-H12 ON ON OFF OFF Min 1µs IrDA Min 200µs 7/9 ...

Page 8

... To get maximum potential from RPM882-H12, please keep in mind following instruction. • The line of RXD (6pin) should be connected at backside via through hole close to RPM882-H12 pin lead. Better not to be close to photo diode side (1pin). ⇒This is to minimize feedback supplied to photo diode from RXD. ...

Page 9

... AMBIENT TEMPERATURE : Ta (°C) External dimensions (Unit : mm) 3.0 LED PinPD 8.0 5.6 2 0.37±0.1 P0.95×7=6.65 7.6 0.6±0.1 A 0.84±0.1 1.75 A Part Size (Shield Case underside size) 3.0 NOTE TOLERANCE : ±0.2mm COPLANARITY : 0.1mmMAX UNIT : mm ETH450 RPM882-H12 9/9 ...

Page 10

Appendix No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product ...

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