IS485/IS486 Bulit-in Amp. Type OPIC Light Detector IS485/IS486 ■ Features ■ Outline Dimensions 1. Built-in schmidt trigger circuit 2. High sensitivity( E V : MAX. 35rx at Ta= 25˚C ) 3. A wide range of operating supply voltage ( VCC: 4.5 to 17V) 4. LSTTL and TTL compatible output 5. Low level output under incident light (IS485 ) High level output under incident light ( IS486 ) 6. Compact package ( Unit : mm ) Internal connection diagram IS485 IS486 Voltage regulator Voltage regulator 3 15kΩ 3 15kΩ 2 2 1 1 Amp. 1.5 0.75 MAX. 0.3 Gate burr 1.15 4˚ 4˚ 0.15 2 - 0.8 1.6 16.5 ± 1.0 + 18.0 - 1.5 1.0 4˚ 60 ˚ 3-0.4 +- 0.3 0.1 + 3 -0.45 - 0.3 0.1 ■ Applications 1. Floppy disk drive units 2. Copiers, printers, facsimiles 3. VCRs, cassette decks 4. Automatic vending machines 1.27 1.27 1.27 1.6 6˚ 6˚ 6˚ 6˚ 1 3 6˚ 6˚ 1 GND 2 VO 3 V CC 2 2.8 * “ 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. * Unspecified tolerance shall be ± 0.2mm. ■ Absolute Maximum Ratings Parameter Supply voltage Output current Power dissipation Operating temperature Storage temperature *1 Soldering temperature Symbol V CC Io P T opr T stg T sol ( Ta= 25˚C ) Rating - 0.5 to + 17 50 175 - 25 to + 85 - 40 to + 100 260 1.4 4.0 4˚ R0.5 2.6 3.0 Rugged resin 0.8 MAX. 2-C0.5 Amp. Unit V mA mW ˚C ˚C ˚C *1 For 5 seconds at the position of 1.4mm from the bottom face of package. “ 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. ” IS485/IS486 ■ Electro-optical Characteristics Parameter Low level output voltage High level output voltage Low level supply current High level supply current ( Unless otherwise specified Ta= 0 to 70˚C, Vcc= 5V ) Symbol V OL V OH I CCL I CCH IS485 *4 “ High”→ “ Low” threshold illuminance E VHL IS486 *5 Ta = 25˚C IS485 “ Low”→ “ High” threshold illuminance E VLH IS486 *6 Hysteresis “ High”→ “ Low” propagation delay time Response time “ Low”→ “ High” propagation delay time IS485 IS486 IS485 IS486 IS485 IS486 Conditions I OL = 16mA, *2 *3 *2 *3 Ta = 25˚C Ta = 25˚C Ta = 25˚C - E VLH /E VHL E VHL /E VLH Ta = 25˚C t PHL Ta = 25˚C Ev = 50lx R L = 280Ω t PLH Rise time Fall time tr tf MIN. 3.5 1.5 1 1.5 1 - TYP. 0.15 1.7 0.7 15 10 10 15 - MAX. 0.4 3.8 2.2 35 50 35 50 Unit V V mA mA 0.50 0.65 0.90 - - 3 9 - 5 15 - 5 15 - 3 0.1 0.05 9 0.5 0.5 *2 Defines EV = 50l x (IS485 ) and E V = 0 (IS486 ) . *3 Defines EV = 0 (IS485) and E V = 50l x (IS486 ) . *4 E VHL represents illuminance by CIE standard light source A( tungsten lamp ) when output changes from high to low. *5 E VLH represents illuminance by CIE standard light source A( tungsten lamp ) when output changes from low to high. *6 Hysteresis stands for EVLH /E VHL (IS485 ) and E VHL /E VLH ( IS486 ) . ■ Recommended Operating Conditions Parameter Supply voltage Low level output current Symbol V CC I OL MIN. 4.5 - MAX. 17 16 ( Ta= 0 to 70˚C ) Unit V mA In order to stabilize power supply line, connect a by-pass capacitor of 0.01µ F or more between VCC and GND near the device. lx lx µs IS485/IS486 Fig. 2 Power Dissipation vs. Ambient Temperature 60 300 50 250 Power dissipation P ( mW ) Low level output voltage I OL ( mA ) Fig. 1 Low Level Output Current vs. Ambient Temperature 40 30 20 200 175 150 100 50 10 0 - 25 0 25 50 75 85 0 - 25 100 0 Ambient temperature Ta ( ˚C ) Fig. 3 Relative Threshold Illuminance vs. Supply Voltage 75 85 100 1 1 0.9 0.8 0.7 2 0.6 Low level output voltage V OL ( V ) T a = 25˚C 1 E VHL ( IS485 ) 2 E VLH ( IS485 ) E VLH ( IS486 ) E VHL( IS486 ) 1.0 Relative threshold illuminance 50 Fig. 4 Low Level Output Voltage vs. Low Level Output Current 1.1 0 5 10 15 V CC = 5V T a = 25˚C E v = 50 lx ( IS485 ) ( IS486 ) E v= 0 0.5 0.2 0.1 0.05 0.02 E VHL( IS485 ) , E VLH ( IS486 ) = 1 at Vcc = 5V 0.5 0.01 1 20 Supply voltage V cc ( V ) 5 2 10 20 Low level output current I Fig. 5 Low Level Output Voltage vs. Ambient Temperature 50 OL 3.0 Ev = 50 lx ( IS485 ) ( IS485 ) Ev = 0 VCC = 5V 2.5 0.4 2.0 Supply current I CC ( mA ) 0.5 0.3 I OL = 30mA 0.2 16mA 0.1 V CC = 17V 10V 1.5 5V 0 25 50 75 Ambiment temperature Ta ( ˚C) I CCL 1.0 V CC = 17V 10V 0.5 I CCH 5V 5mA 0 - 25 100 ( mA ) Fig. 6 Supply Current vs. Ambient Temperature 0.6 Low level output voltage VOL ( V ) 25 Ambient temperature Ta ( ˚C ) 100 0 - 25 0 25 50 75 Ambient temperature T a ( ˚C ) 100 IS485/IS486 Fig. 7 Propagation Delay Time vs. Illuminance Fig. 8 Rise Time, Fall Time vs. Load Resistance 0.8 12 VCC = 5V RL= 280Ω T a = 25˚C VCC = 5V E V = 50 lx 0.7 1 T a = 25˚C Rise time,fall time t ( µ s ) µ s) 9 Propagation delay time t PLH , t 10 PHL( 11 8 7 6 5 4 3 0.6 0.5 0.4 tr 0.3 0.2 2 2 0.1 1 t PLH ( IS485 ) 2 t PHL ( IS485 ) t PLH ( IS486 ) t PHL ( IS486 ) 1 0 0 100 200 300 Illuminance E V 400 ( lx ) tf 0 500 ( IS485 ) Test Circuit for Response Time 0.1 0.2 600 0.5 10 1 2 5 Load resistance R L ( k Ω ) 20 ( IS486 ) Test Circuit for Response Time Voltage regulator Voltage regulator Vcc = 5V Input Vcc = 5V Input 15k Ω 10k Ω RL t r = tf = 0.01 µ s Zo = 50 Ω Output 47 Ω Input 47 Ω 50% Output 0.01 µ F Amp. 50% Input tPLH tPLH tPHL VOH 90% 90% Output Output 10% 1.5V -10˚ tr 0 ( T a = 25˚C ) +10˚ 100 Relative sensitivity (%) - 60˚ 80 60 40 90 +30˚ +40˚ +50˚ +60˚ 20 +70˚ - 70˚ +80˚ - 80˚ +90˚ - 90˚ 0 Angular displacement θ ● Please refer to the chapter “Precautions for Use.” T a = 25˚C 80 Relative sensitivity (%) - 30˚ - 50˚ 10% VOL Fig.10 Spectral Sensitivity +20˚ 100 - 40˚ tf VOH 1.5V tf tr Fig. 9 Sensitivity Diagram - 20˚ RL t r = tf = 0.01 µ s Zo = 50 Ω 0.01 µ F Amp. tPHL 50 70 60 50 40 30 20 10 0 400 500 600 700 800 900 1000 1100 1200 1300 1400 Wavelength λ ( nm )