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| IS457 IS457 s Features 1. High speed response type (t PHL: TYP. 300ns ) 2. Pattern with semiconductor laser spot positional deviation taken into consideration ( Detector size : 0.5mm x 3.0mm ) 3. Open collector output 4. Angle adjustment by means of outer mounting resistance High Speed Response Type OPIC Light Detector s Outline Dimensions + 0.2 - 0.1 (Unit : mm) 0.2 0.3 0.1 0.7 4 1 3.0 Detector center 0.4 2.5 0.25 3 2.75 0.2 4.4 0.1 2.7 + 0.5 2.7 -0 +0.5 -0 s Applications 1. Laser beam printers 2 3.81 5.0 0.1 1.5 4.4 0.1 1.07 (R0.2) 5.0 10 0.1 10 +0.3 -0 0.8 + 0.2 - 0.4 10 10 Internal connection diagram 0.15 4 Gain resistance (Ro) (Outer mounting) 1 VREF 2 3 1 2 3 4 RO VO GND VCC * OPIC (Optical IC) is a trademark of the SHARP Corporation. An OPIC consists of a light-detecting element and signal-processing circuit integrated onto a single chip. s Absolute Maximum Ratings Parameter *1 Supply voltage High level output voltage Low level output voltage Operating temperature Storage temperature *2 Soldering temperature Total power dissipation Ro terminal dissipation *3 Incident light intensity *3 Radiant intensity Symbol VCC V OH IOL T opr T stg T sol P PRO PI Ee (Ta=25C) Rating - 0.5 to + 7 7 40 - 25 to + 80 - 40 to +85 260 150 24 5 60 Unit V V mA C C C mW mW mW W/cm2 Soldering area Soldering area *1 For 1 minute *2 For 3 seconds at the position shown in the right drawing *3 Max. allowable incident light intensity and radiant intensity of laser beams ( =780 nm) to the detector " 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." IS457 s Electro-optical Characteristics Parameter High level output voltage Low level output voltage High level supply current Low level supply current Ro terminal offset voltage *4 "High Low" threshold illuminance 1 *4 "High Low" threshold illuminance 2 "HighLow" threshold incident light intensity "HighLow" propagation delay time Response time "Low High" propagation delay time Rise time Fall time Symbol IOH V OL ICCH ICCL IOSRO E VHL1 E VHL2 P IHL t PHL t PLH tr tf CL =15pF, Duty ratio=1:1 P I=0.2mW, =780nm RO=5.1k , R L=510 Conditions RO=51k , E v=0 lx IOL=40mA, EV =1 000 lx RO=51k , EV =0 lx RO=51k , EV =1 000 lx RO=5.1k RO=51k RO=5.1k RO=5.1k , =780nm MIN. 250 (VCC = 5V, Ta = 25C ) TYP. 0.35 3.0 5.8 8 360 4 500 100 300 300 100 50 MAX. 100 0.52 6.5 8.6 15 470 500 500 500 200 Unit A V mA mA A lx lx W ns ns ns ns *4 E VHL1 , E VHL2 : Illuminance by CIE standard light source A (tungsten lamp) to bring about change from "High" to "Low" s Recommended Operating Conditions Parameter Operating supply voltage Operating temperature Incident light intensity ( =780 nm) Gain resistance Symbol V cc T opr PI RO MIN. 4.5 0 0.39 MAX. 5.5 60 2.5 5.1 Unit V C mW k In order to stabilize power supply line, connect a by-pass capacitor of 0.1 F between Vcc and GND at a position within 1 cm from the lead. s Test Circuit for Response Time Vcc Ro Vo Vref GND 5.1k 0.1 F Vo CL GND 5.0V t PHL t PLH 510 0.2mW 5V PI 0.1mW 0mW Notes 1. CL includes the probe-to-line capacitance. 2. Add a by-pass capacitor of 0.1F at a position within 1 cm from the Vcc-GND terminal. VO 1.5V IS457 Fig. 1 Total Power Dissipation vs. Ambient Temperature 250 Fig. 2 Low Level Output Voltage vs. Low Level Output Current 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 Vcc=5V Ta=25C Total power dissipation P (mW) 200 150 100 50 0 - 25 0 25 50 75 100 Low level output voltage V OL (V) 10 20 30 40 50 60 70 80 Ambient temperature Ta(C) Low level output current I OL (mA) Fig. 3 Low Level Output Voltage vs. Ambient Temperature Vcc=5V 0.5 Fig. 4 Supply Current vs. Supply Voltage IccL 8 7 Ta=25C Ro=51k Low level output voltage V OL (V) 0.4 IOL=40mA (mA) CC 6 5 4 3 2 1 IccH 0.2 0.1 Supply current I 0.3 - 25 0 25 50 75 0 4 5 6 7 8 Ambient temperature Ta (C) Supply voltage V CC (V) Fig. 5 Supply Current vs. Ambient Temperature 8 7 Vcc=5V Ro=51k Fig. 6 "HighLow" Threshold Incident Light Intensity vs. Supply Voltage 200 Ta=25C Ro=5.1k "HighLow" threshold incident light intensity P IHL ( W) (mA) 6 5 4 3 2 1 - 25 0 25 50 75 IccL 150 Supply current I CC 100 IccH 50 0 4 5 6 7 8 Ambient temperature Ta (C ) Supply voltage V CC ( V) IS457 Fig. 7 Propagation Delay Time vs. Ambient Temperature tPHL Fig. 8 Rise, Fall Time vs. Ambient Temperature Vcc=5V Ro=5.1k RL=510 tr Propagation delay time t PLH, tPHL ( ns ) 400 tPLH 160 140 300 Rise, fall time t r , tf ( ns ) 120 100 80 60 40 20 - 25 0 25 50 75 tf 200 100 Vcc=5V Ro=5.1k RL=510 75 - 25 0 25 50 Ambient temperature Ta (C ) Ambient temperature Ta (C ) Fig. 9 Spectral Sensitivity 100 T a = 25C 80 Relative sensitivity (%) 60 40 20 0 300 400 500 600 700 800 900 1000 1100 Wavelength (nm) q Please refer to the chapter "Precautions for Use". (Page 78 to 93) |
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