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RPM960-H7
Photo Link Module
IrDA Infrared Communication Module
RPM960-H7
RPM960-H7 is an infrared communication module for IrDA Ver. 1.3 (Low Power). The infrared LED, PIN photo diode, and waveform shaping LSI are all integrated into one single package. This module is designed for low power consumption. The very small package makes it a perfect fit for mobile devices.
Features 1) Infrared LED, PIN photo diode, LED driver & Receiver frequency formation circuit built in. Improvement of EMI noise protection because of Shield Case. 2) Applied to SIR (2.4 k to 115.2 kbps) and MIR (0.576,1.152 Mbps) 3) Surface mount type. 4) Power down function built in. 5) Adjustable communication distance by LED load resistance value.
Applications Cellular Phone, PDA, DVC, Digital Still Camera, Printer, Handy Terminal, etc
Absolute maximum ratings (Ta = 25C)
Parameter Supply Voltage Input Voltage Operation Temperature Storage Temperature LED Peak Current Power Dissipation Symbol Vcc/LEDVCC/VIO Vin(3,4,5pin) Topr Tstg Ifp Pd Limits 6.5 1 -0.3VIO+0.3 -2585 -30100 400 2 300 3 Unit V V C C mA mW
1) This applies to all pins basis ground pin (8pin). 2) LED Peak Current : <90 s, On duty <25% 3) When glass-epoxy board (70x70x1.6mm) mounted. In case of operating environment is over 25C, 4mW would be reduced per each 1C stepping up.
Recommended operating conditions (Ta = 25C)
Parameter Supply voltage Symbol VCC LEDVCC VIO Min. 2.4 2.7 1.8 Typ. 3.0 3.0 3.0 Max. 3.6 5.5 VCC Unit V V V
1/5
RPM960-H7
Photo Link Module
Block diagram and application circuit
R1 LEDA
1
LEDVCC
2
LEDC
TXD TXD
3
RXD
4
RXD
AMP
POWER DOWN
PWDOWN PWDOWN
5
AMP
6
VCC C1
VCC
7
VIO VIO
AMP
GND
8
GND
VCC(6pin) and LEDVCC(1pin) can be used on either common power source or different one
Recommended values
Part symbol C1 R1 Recommended value 6.8F, Ceramic or tantalum Ex.) TCFGA1A685M8R (ROHM) + 5.6 - 5%,1/4 W (VLEDVCC=3.0V) Notice Bigger capacitance is recommended with much noise from power supply More than 50cm distance, more than 10W/cm at detecting side.(vs ver1.1)
2
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} + necessary d{cm} (Including LED's distribution within - 15 deg) R1=T(VLEDVCC-1.45) / d -5{} ILED=Duty(VLEDVCC-1.36) / (R1+4) {A}
2
Duty : LED duty at emitting, T=17000 at ILED / Duty <180 mA
2/5
RPM960-H7
Photo Link Module
Terminal description
Pin No 1 Terminal LEDA Circuit Function
1
LED
2
LED Anode Terminal Other power source can be used difference between LEDVCC and VCC. LED current depends on LED load resistance value. Include internal current limiter (max.400mA). LED Cathode Terminal This terminal must be left open.
2
LEDC
3
TXD
VIO
600k 4 RXD PWDOWN 300k VIO VIO
Transmitting Data Input Terminal H:LED radiant (PWDOWN='L') CMOSLogic Level Input. Holding TXD="H"status,LED will be turn off approximately 48 s. Receiving Data Output Terminal When PWDOWN(5pin)='H', the RXD output will be pulled up tp VIO at approximately 300 k.
5
PWDOWN
VIO
Power-down Control Terminal H: POWERDOWN L: OPERATION CMOS Logic Level Input.
When input is "H", it will stop the receiving circuit, Pin-PD current and transmitting LED operation.
6
VCC
VCC Supply voltage for Transceiver circuits. For preventing from infection, connect a capacitor between GND(8pin). VIO Supply voltage for I / 0 pins (PWDOWN,RXD,TXD). GROUND Connect to Ground.
7
VIO
8 -
GND Shield Case
3/5
RPM960-H7
Photo Link Module
Electrical characteristics (Unless otherwise noted, VCC=3V, LEDVCC=3V, VIO=3V, Ta=25C)
Parameter Consumption Current 1 Consumption Current 2 Transmission Rate PWDOWN Input High Voltage VPDH PWDOWN Input Low Voltage PWDOWN Input High Current PWDOWN Input Low Current < Transmitter > TXD Input HighVoltage TXD Input Low Voltage TXD Input HighCurrent TXD Input Low Current LED Anode Current 1 LED Anode Current 2 VTXH VTXL ITXH ITXL ILED1 ILED2 2/3VIO 0 2.5 -1.0 - 180 - - 5 0 170 260 VIO 1/3VIO 10 1.0 - 400 V V A A mA mA VIO = 1.8 3.6 V (VIO < VCC) = TXD = VIO TXD = 0 V R1=5.6 R1=5.6 LEDVCC=5.5V < Receiver > RXD Output High Voltage RXD Output Low Voltage RXD Output Rise Time RXD Output Fall Time RXD Output Pulse Width RXD Output Pulse Edje Jitter Receiver Latency Time VRXH VRXL tRR tFR twRXD Tjrxd tRT VIO-0.4 0 - - 228 - - - - 20 20 380 - 100 VIO 0.4 - - 532 160 200 V V ns ns ns ns s IRXH = -200A IRXL = 200A CL = 15pF CL = 15pF CL = 15pF, 2.4k1.152 Mbps 1.152 Mbps VPDL IPDH IPDL Symbol ICC1 ICC2 Min. 270 - 2.4 2/3VIO 0 -1.0 -1.0 Typ. 440 0.01 - - - 0 0 Max. 610 0.2 1152
VIO
Unit A A kbps V V A A
Conditions PWDOWN = OV At no input light PWDOWN = VIO At no input light VIO = 1.8 3.6 V (VIO < VCC) = PWDOWN = VIO PWDOWN = 0 V
1/3VIO 1.0 1.0
Optical characteristics (Unless otherwise noted, VCC=3V, VLEDA=3V, VIO=3V, Ta=25C)
Parameter Peak Wave Length Intensity1 Symbol P IE1 Min. 850 25 - - - - Tj Twe Eemin Eemax D / 2 TLEDmax -25 172 - 500 15 16 Typ. 870 63 - 18 - - - 217 9 - - 48 Max. 900 200 Unit nm mW / Sr Conditions
< < -15 deg = L = 15 deg
R1=5.6
Intensity2 Half-Angle Rise Time / Fall Time Optical Over Shoot Edge Jitter Optical Pulse Width Minimum Irradiance in Angular Maximum Irradiance in Augular Input Half-Angular Maximum Emitting Time
IE2 L / 2 Tr / Tf
24 - 40 25 25 256 14 - - 120
mW / Sr deg ns % ns ns
< L < -30 deg,30 deg = L = R1=5.6
10%90%
tTXD=217 ns
< mW / cm2 -15 deg = L < 15 deg =
deg s TXD=VIO
W / cm2 -15 deg < L < 15 deg = =
1. This product is not designed for protection against radioactive rays. 2. This product dose not include laser transmitter. 3. This product includes one PIN photo diode. 4. This product dose not include optical load.
4/5
RPM960-H7
Photo Link Module
Notes 1) LEDVCC (1pin), VCC (6pin) and VIO (7pin) 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 RPM960-H7, please keep in mind following instruction. The line of RXD (4pin) should be connected at backside via through hole close to RPM960-H7 pin lead. Better not to be close to photo diode side (8pin side). This is to minimize feedback supplied to photo diode from RXD. As for C1 between 6-8 pin should be placed close to RPM960-H7. Better to be placed more than 1.0cm in radius from photo diode (8pin side) and also away from the parts which generates noise, such as DC / DC converter. 3) Notes Please be sure to set up the TXD (3pin) input to be "L" (under 0.6V) except transmitting data (for < 90sec. On Duty < 25%). 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 Ver1.3 (Low Power) except 4 Mbps. There might be on error if used by different signal format. Dust or dirt on lens portion may affect the characteristics, so pay suffye Safe IEC825-1 (EN60825-1) Class 1 Eye Safe.
* * * * * * * * *
External dimensions (Units : mm)
Lot No.
960
R1.0
8.0
R1.1
2.2
2.2 1
LED
1.1 2.8 4.0
Pin PD
0.15
0.8 2.55
2.7
1
0.35 P0.95 x 7 = 6.65
8
0.6
0.6
0.475
0.675
2.9
5/5
Appendix
Notes
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 described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. Please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. Any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. ROHM CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by ROHM CO., LTD. is granted to any such buyer. Products listed in this document use silicon as a basic material. Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. About Export Control Order in Japan Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control Order in Japan. In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause) on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.0

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