IS481/IS482 IS481/IS482 Low Voltage Operating and High Sensitivity Type OPIC Light Detectors ■ Features ■ Outline Dimensions 1. Built-in Schmidt trigger circuit 2. Low voltage operating type (VCC :2.3to 7.0V) (Unit : mm) Internal connection diagram IS481 IS482 3. High sensitivity type (IS481 E VHL : TYP. 5.4 lx at Ta=25 ˚C) 3 (IS482 E VLH : TYP. 5.4 lx at Ta=25 ˚C) 4. LSTTL and TTL compatible 5. Low level output under incident light ( IS481) 3 2 2 Amp. Amp. 1 1 Gate burr 1.15 0.75 1.5 4˚ 4˚ 0.15 4˚ 60 ˚ 2- 0.8 1.6 16.5 ± 1.0 18.0 +- 1.5 1.0 (1.7 ) 1.4 4.0 4˚ R0.5 2.6 3.0 0.8 MAX. Rugged resin 2- C0.5 0.3 MAX. High level output under incident light ( IS482) 3-0.4 + 0.3 - 0.1 3-0.45 +- 0.3 0.1 ■ Applications 1. Battery-driven portable equipment (1.27 ) (1.27 ) 1.6 6˚ 6˚ 6˚ 6˚ 1 3 6˚ 6˚ (1.27 ) 1 GND 2 VO 3 VCC 2 2.8 * 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. ■ Absolute Maximum Ratings Operating temperature Storage temperature *3 Soldering temperature Symbol V CC Io P T opr T stg T sol (Ta=25˚C) Rating - 0.5 to +8 8 80 - 25 to + 85 - 40 to +100 260 *1 Output current vs. ambient temperature : Per Fig. 1 *2 Total power dissipation vs. ambient temperature : Per Fig. 2 *3 For 5 seconds at the position of 1.4 mm from bottom face of resin package Unit V mA mW ˚C ˚C ˚C 1.4mm Parameter Supply voltage *1 Output current *2 Total power dissipation Soldering area “ 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.” IS481/IS482 ■ Electro-optical Characteristics Parameter Low level output voltage High level output voltage Low level supply current High level supply current *6 *7 Symbol V OL V OH I CCL I CCH Conditions I OL = 4mA,*4 *5 *4 *5 Ta= 25˚C IS481 "High →Low" threshold illuminance E VHL Ta= 25˚C IS482 Ta= 25˚C IS481 "Low→High" threshold illuminance E VLH Ta= 25˚C IS482 IS481 IS482 IS481 IS482 IS481 IS482 Hysteresis Response time *8 (Ta=0 to 70˚C, VCC =5V unless otherwise specified) "High→Low" propagation delay time "Low →High" propagation delay time E VLH /E VHL E VHL /E VLH Ta= 25˚C tPHL Ta= 25˚C Ev= 50 lx R L = 1.2kΩ tPLH Rise time Fall time Peak sensitivity wavelength tr tf λP MIN. 4.9 0.6 0.4 0.6 0.4 - TYP. 0.15 1.3 1.0 5.4 4.3 4.3 5.4 - MAX. 0.4 3.8 3.0 15 22 15 22 Unit V V mA mA 0.55 0.80 0.95 - - 3.0 15 - 9.0 30 - 9.0 30 - 3.0 0.1 0.05 900 15 0.5 0.5 - *4 Defines E v =50 lx (IS481) and E v =0 lx (IS482). *5 Defines E v =0 lx (IS481) and E v =50 lx (IS482). *6 E VHL represents illuminance by CIE standard light source A (tungsten lamp) when output changes from "high" to "low". *7 E VLH represents illuminance by CIE standard light source A (tungsten lamp) when output changes from "low" to "high". *8 Hysteresis standards for E VLH /E VHL (IS481) and E VHL /E VLH (IS482). ■ Recommended Operating Conditions Parameter Supply voltage Output current Symbol V CC I OL MIN. 2.3 - (Ta=0 to +70˚C) MAX. 7.0 4.0 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. ■ Test Circuit for Response Time (IS481) Vin tr= tf= 0.01µ s Zo= 50Ω 47Ω 15kΩ 0.01µ F Input tPHL 5V 1.2kΩ 50% tPLH 90% VOL tf 10% tr Vin tr= tf= 0.01µ s Zo= 50Ω 47Ω 1.5V 5V 1.2kΩ 15kΩ 0.01µ F Input tPHL VOH Output ■ Test Circuit for Response Time (IS482) 50% tPLH Output 90% VOL tr 10% tf VOH 1.5V lx lx µs nm IS481/IS482 Fig. 1 Output Current vs. Ambient Temperature Fig. 2 Output Power Dissipation vs. Ambient Temperature 120 Output power dissipation P (mW) 14 Output current I O ( mA) 12 10 8 6 2 1.6 0 - 25 0 25 50 75 85 100 80 60 40 20 16 0 - 25 100 Ambient temperature Ta (˚C) 0.6 Low level output voltage V OL ( V) Low level output voltage V OL ( V) 50 0.1 0.01 1 Vcc=5V Ta=25 ˚C Ev=50 lx (IS481) Ev=0 (IS482) IOL=8mA 0.2 IOL=4mA Low level output current I OL ( mA) 25 0 50 100 Fig. 6 Rise, Fall Time vs. Load Resistance 3 2 Ta=25˚C Vcc=5V Ev=50 lx or equivalent 1.5 VCC=8V VCC=5V ICCL VCC=8V ICCH 0.5 Rise, fall time t r , tf ( µ s ) 2.5 Supply current I CC ( mA) 75 Ambient temperature Ta (˚C) Fig. 5 Supply Current vs. Ambient Temperature VCC=5V 100 0.4 0 - 25 10 1 75 85 Fig. 4 Low Level Output Voltage vs. Ambient Temperature Vcc=5V Ta=25˚C Ev=50 lx (IS481) (IS482) Ev=0 0.1 25 Ambient temperature Ta (˚C) Fig. 3 Low Level Output Voltage vs. Low Level Output Current 1 0 2 tr 1.5 1 0.5 0 - 25 0 25 50 75 Ambient temperature Ta (˚C) 100 0 0.1 0.2 0.5 1 2 5 tr 10 20 Load resistance R L ( k Ω ) 50 100 IS481/IS482 Fig. 7 Radiation Diagram - 20˚ - 10˚ 0 (Ta=25 ˚C) +10˚ Fig. 8 Spectral Sensitivity (TYP.) + 20˚ 100 Ta=25˚C 100 - 50˚ 80 60 40 +30˚ 80 +40˚ +50˚ +60˚ - 60˚ 20 - 70˚ +70˚ - 80˚ +80˚ Relative sensitivity (%) - 40˚ Relative sensitivity (%) - 30˚ +90˚ - 90˚ 0 Angular displacement θ ● Please refer to the chapter "Precautions for Use". 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