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| IrDA CND0004A Optical Transceiver Module for IrDA Overview CND0004A is a high speed response, high reliability infrared data link device. It consists of a high speed GaAlAs infrared light emitting diode, a high speed PIN photodiode and a post processing IC, and they are housed in a single package. 12.00.3 7.00.2 2.60.3 4.00.3 Unit : mm Features Small size package Compatible with reflow soldering process Low voltage driving capability, operating source voltage (2.7 to 5.5 V) IrDA Ver 1.0 compatible (max. 115.2 kbps) Includes shutdown function 1 2 3 4 5 6 7 8 9 1011 10-0.90.2 11-0.40.08 2-R 1.7 0.08 Absolute Maximum Ratings (Ta = 25C) Parameter Transmitter TX LED peak forward current Data input voltage Supply voltage Receiver RX Output sinking current Data output voltage Temperature * Symbol Ratings IFP* VI IOL Topr Tstg 400 - 0.5 to VCC+0.5 10 0 to +70 -20 to +85 Unit mA V V mA V C C VCC - 0.5 to +7 VO - 0.5 to VCC+0.5 Operating ambient temperature Storage temperature Duty ratio 20 %, pulse width 90 s Electro-Optical Characteristics (Ta = 25C) Parameter Operating supply voltage Supply current (Receiver) Data rates High level input voltage TX Low level input voltage Rise time, fall time Maximum transfer distance RX High level output voltage Low level output voltage VIH VIL tr , t f VOH VOL VCC = 2.7 to 5.5V, VSD 0.5V VCC = 2.7 to 5.5V, VSD 0.5V VCC = 5V, RLED = 12 1 VCC - 0.5 0.5 IOH 20A (light shut off) IOL 4mA (light receiving) Symbol VCC ICC VCC = 5V, VI = 0.5V, VSD 0.5V (light shut off) 2.4 2.5 0 Conditions min 2.7 typ 5 max 5.5 1.2 115.2 VCC 0.5 0.6 Unit V mA kbps V V s m V V Lmax Transmitter side 40mW/sr 4.5 5.10.3 2.30.3 1 : NU 2 : SD 3 : Gnd 4 : VCC 5 : RXD 6 : Gnd 7 : NU 8 : TXD 9 : NU 10 : LEDC 11 : LEDA NU : non usable 1 IrDA CND0004A IFP -- VLEDA 10 4 tw = 1.6s Duty = 1% Ta = 25C 10 Ie -- IFP 1.8 VLEDA -- Ta VLEDA (V) IFP = 250mA tw = 1.6s tP = 8.7s IFP = 250mA tw = 1.6s tP = 8.7s 1.7 IFP (mA) 10 3 Relative radiant intensity Ie 10 2 LED Anode pin voltage 10 2 10 3 Pulse forward current 1 1.6 10 1.5 1 0 1 2 3 10 -1 10 1.4 0 20 40 60 80 LED anode pin voltage VLEDA (V) Pulse forward current IFP (mA) Ambient temperature Ta (C ) Ie -- Ta 10 IFP = 250mA Ta = 25C tw = 1.6s tP = 8.7s 12 IIH -- VIH 100 VCC = 5V RB = 120 tw = 1.6 s tp = 8.7 s Ie -- Ie (%) IFP = 250mA Ta = 25C 10 Ie 80 IIH (mA) 8 Relative light emitting intensity 0 Relative radiant intensity 60 1 Input current 6 40 4 2 20 10 -1 0 20 40 60 80 0 2 4 6 8 0 770 810 850 890 930 970 Ambient temperature Ta (C ) Input voltage VIH (V) Wavelength (nm) Directivity characteristics (Transmitter) 100 1.0 ICC -- Ta 3.6 tw -- Ta H = 100W/cm2 tw(H) = 1.6s Duty = 20% 3.2 Ie (%) ICC (mA) 80 0.9 Relative light emitting intensity Current consumption 60 0.8 VCC = 5.0V Reception pulse width tw (s) VCC = 3.3V 2.8 VCC = 5.0V 40 0.7 2.4 20 0.6 VCC = 3.3V 0 - 90 - 60 - 30 0 30 60 90 0.5 0 20 40 60 80 100 2 0 20 40 60 Angle of rotation (deg.) Ambient temperature Ta (C ) Ambient temperature Ta (C ) 2 CND0004A IrDA Directivity characteristics (Receiver) 100 Ta = 25C Relative sensitivity S (%) 80 60 40 20 0 - 90 - 60 - 30 0 30 60 90 Angle of rotation (deg.) 3 |
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