IrDA CND0004A Optical Transceiver Module for IrDA Unit : mm 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. 4.0±0.3 Features 12.0±0.3 7.0±0.2 2.6±0.3 2.3±0.3 Overview 1 2 3 4 5 6 7 8 9 1011 10-0.9±0.2 11-0.4±0.08 Small size package Compatible with reflow soldering process Low voltage driving capability, operating source voltage (2.7 to 5.5 V) 4.5 5.1±0.3 IrDA Ver 1.0 compatible (max. 115.2 kbps) 2-R 1.7± 0.08 Includes shutdown function Absolute Maximum Ratings (Ta = 25˚C) Parameter Transmitter TX LED peak forward current Data input voltage Supply voltage Receiver RX Temperature * Symbol Ratings Unit IFP* 400 mA VI – 0.5 to VCC+0.5 V VCC – 0.5 to +7 V Output sinking current IOL Data output voltage VO – 0.5 to VCC+0.5 10 V Operating ambient temperature Topr 0 to +70 ˚C Storage temperature Tstg –20 to +85 ˚C 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 mA Duty ratio ≤ 20 %, pulse width ≤ 90 µs Electro-Optical Characteristics (Ta = 25˚C) Parameter Symbol Conditions min typ max Unit 2.7 5 5.5 V 1.2 mA Operating supply voltage VCC Supply current (Receiver) ICC VCC = 5V, VI = 0.5V, VSD ≤ 0.5V (light shut off) 2.4 115.2 kbps VIH VCC = 2.7 to 5.5V, VSD ≤ 0.5V 2.5 VCC V 0 0.5 V 0.6 µs Data rates High level input voltage TX RX Low level input voltage VIL VCC = 2.7 to 5.5V, VSD ≤ 0.5V Rise time, fall time tr , t f VCC = 5V, RLED = 12Ω Maximum transfer distance Lmax Transmitter side 40mW/sr High level output voltage VOH IOH ≤ 20µA (light shut off) Low level output voltage VOL IOL ≤ 4mA (light receiving) 1 m VCC – 0.5 V 0.5 V 1 IrDA CND0004A IFP — VLEDA Ie — IFP 1.8 10 2 10 0 1 2 LED Anode pin voltage Ie IFP = 250mA tw = 1.6µs tP = 8.7µs 1 10 –1 10 3 LED anode pin voltage VLEDA (V) 10 2 Ie — Ta 60 Ie (%) VCC = 5V RB = 120Ω tw = 1.6 µs tp = 8.7 µs 8 6 4 0 80 0 Ambient temperature Ta (˚C ) 2 Directivity characteristics (Transmitter) 6 20 0 30 60 60 40 20 0 770 8 90 810 850 930 970 tw — Ta tw (µs) 3.6 0.9 0.8 VCC = 5.0V 0.7 0.6 0.5 890 Wavelength λ (nm) Reception pulse width ICC (mA) 40 80 80 ICC — Ta Current consumption Ie (%) Relative light emitting intensity 60 Angle of rotation θ (deg.) 2 4 1.0 80 60 IFP = 250mA Ta = 25˚C Input voltage VIH (V) 100 40 20 Ie — λ Relative light emitting intensity IIH (mA) Input current Relative radiant intensity Ie 40 – 30 0 Ambient temperature Ta (˚C ) 2 – 60 1.5 100 10 1 0 – 90 1.6 IIH — VIH IFP = 250mA Ta = 25˚C tw = 1.6µs tP = 8.7µs 20 1.7 1.4 10 3 12 0 IFP = 250mA tw = 1.6µs tP = 8.7µs Pulse forward current IFP (mA) 10 10 –1 VLEDA (V) tw = 1.6µs Duty = 1% Ta = 25˚C 10 3 1 VLEDA — Ta 10 Relative radiant intensity Pulse forward current IFP (mA) 10 4 VCC = 3.3V 0 20 40 60 80 Ambient temperature Ta (˚C ) 100 H = 100µW/cm2 tw(H) = 1.6µs Duty = 20% 3.2 VCC = 3.3V 2.8 VCC = 5.0V 2.4 2 0 20 40 60 Ambient temperature Ta (˚C ) CND0004A IrDA Directivity characteristics (Receiver) 100 Relative sensitivity S (%) Ta = 25˚C 80 60 40 20 0 – 90 – 60 – 30 0 Angle of rotation 30 60 90 θ (deg.) 3