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| GP2A20/GP2A22 GP2A20/GP2A22 s Features 1. Light modulation type, free from external disturbing light 2. Long focal distance type Detecting range ( GP2A20 : 3 to 7mm ) ( GP2A22 : 9 to 15mm ) 3. Capable of TTL direct connection 4. With 3-pin connector provided for easier interface with peripheral control circuit Light Modulation, Long Focal Distance Type OPIC Photointerrupter s Outline Dimensions Internal connection diagram Amp. Comparator Voltage regulator Demodulator circuit 1 1 V CC 2 2 VO 3 GND 3 Synchronous detection Oscillator 7.0 3.5 R4.0 Marking on the side ( Unit : mm ) s Applications 1. Copiers 2. Laser beam printers 3. Facsimiles 9.6 Resin sealed 4.0 33.0 g 2 3 (2.5) (2.5) 1 11.0 s Line-ups Detecting range 9 to 15mm 3 to 7mm Model No. GP2A20 GP2A22 11.0 26.5 3 - 3.2 3.0 2.0 3.5 3.0+ - 3.5 0 0.2 Unspecified tolerances shall be as follows; Dimensions(d) Tolerance d<6.0 0.2 6.0 <=d<14.0 0.3 14 <=d 0.4 ( ) : Reference dimensions Marking : GP2A20 Lot No. GP2A22 g MOLEX JAPAN CO., LTD made 3 - pin connector 52135 - 0350 Housing SD-51030-0310 Terminal SD-50084-8100 Lot No. *" OPIC " ( Optical IC ) is a trademark of the SHARP Corporation. An OPIC consists of a light-detecting element and signalprocessing circuit integrated onto a single chip. s Absolute Maximum Ratings Parameter Supply voltage 1 Output voltage 2 Low level output current 3 Operating temperature 3 Storage temperature Symbol VCC VO IOL T opr T stg ( Ta= 25C ) Rating - 0.5 to 7 30 50 - 10 to + 60 - 20 to + 80 Unit V V mA C C 1 Collector-emitter voltage of output transistor 2 Collector current of output transistor 3 The connector should be plugged in/out at normal temperature. " In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that occur in equipment using any of SHARP's devices, shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device." GP2A20/GP2A22 s Electro - optical Characteristics Parameter Operating supply voltage Peak pulse value Dissipation current Smoothing value Low level output voltage High level output voltage GP2A20 Non-detecting distance GP2A22 GP2A20 Minimum detecting distance GP2A20 GP2A22 ( VCC = 5V, Ta= 25C ) Conditions 4 Symbol VCC Iccp ICC VOL VOH L LHL r= 1 RL= IOL= 16mA at detecting time RL= 1k at non-detecting time 5 Reflective object: Kodak 90% reflective paper 5 GP2A22 GP2A20 GP2A22 L HLS GP2A20 Maximum detecting distance Response time GP2A20 GP2A22 GP2A22 GP2A20 GP2A22 " HighLow" propagation delay time " LowHigh" propagation delay time L HLL Reflective object: Chloroprene rubber 5 Reflective object: Artwork tape 5 Reflective object: Kodak 90% reflective paper 5 Reflective object: Black paper 5 Reflective object: OHP paper, = 5deg. ( X,Y direction ) 5 Reflective object: Artwork tape 5 Reflective object: Kodak 90% reflective paper 5 Reflective object: Black paper 5 Reflective object: OHP paper, = 5deg. ( X,Y direction ) 6 MIN. 4.75 4.5 7.0 9.0 17.0 15.0 7.0 15.0 t PHL t PLH - TYP. - MAX. 5.25 150 30 0.4 20 50 25 3.0 1.0 7.0 Unit V mA mA V V mm 9.0 3.0 9.0 mm 1 1 mm ms ms 4 Test Condition for Dissipation Current ( Peak Pulse Value ) r = 1 VCC = 5V V GP2A20/ GP2A22 GND GP2A20/ GP2A22 Vr tW tP ICCP = Vr /1 t W(TYP.) = 8 s t P(TYP.) = 130s RL = 1k VO Detection surface 5 Test Condition for Detecting Distance Characteristics Reflective object = 5deg. VOH Output signal ( with pull-up resistor ) V OL LLHS LHLS OHP paper (GP2A20 ) (GP2A22 ) LHLL LLHL 6 Test Condition for Response Time Reflective object : Kodak 90 % reflective paper Detection surface GP2A20/ GP2A22 RL = 1k VCC = 5V VOUT GND Vout Waveform L tPHL With reflective object Without reflective object tPLH VOH 1.5V VOL GP2A20/GP2A22 Fig. 1 Low Level Output Current vs. Ambient Temperature 60 Low level output current I OL ( mA ) 50 Fig. 2 Low Level Output Voltage vs. Ambient Temperature 0.3 V CC = 5V, at detecting time I OL = 30mA 40 Low level output voltage V OL ( V) 0.2 16mA 30 20 10 0 - 10 0.1 5mA 0 - 10 0 50 60 Ambient temperature T a ( C) 25 75 0 25 50 60 75 Ambient temperature T a ( C) Fig. 3 Low Level Output Voltage vs. Low Level Output Current 1 V CC = 5V T a = 25C Low level output voltage V OL ( V) 0.5 Fig. 4 Dissipation Current ( Smoothing Value ) vs. Supply Voltage 7 T a =- 10C 6 Dissipation current I CC ( mA ) 25C 5 4 3 2 1 0 4.75 60C 0.2 0.1 0.05 0.02 0.01 1 2 5 10 20 50 Low level output current I OL ( mA ) 100 5.0 Supply voltage V CC ( V ) 5.25 s Precautions for Use ( 1 ) In order to stabilize power supply line, connect a by-pass capacitor of more than 0.33 F between Vcc and GND nea ( 2 ) Please do not perform dip cleaning or ultrasonic cleaning because lens part of this product is an optical device of acrylic resin. ( 3 ) Remove dust or stains, using an air blower or a soft cloth moistened in cleaning solvent. However, do not perform the above cleaning using a soft cloth with cleaning solvent in the marking portion. In this case, use only the following type of cleaning solvent used for wiping off : Ethyl alcohol, Methyl alcohol, Isopropyl alcohol When the cleaning solvents except for specified materials are used, please consult us. ( 4 ) As for other general cautions, refer to the chapter "Precautions for Use " . |
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