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| Product Bulletin OPL583 August 1996 Dual Channel Photologic(R) Encoder Detector Type OPL583 Features *Two matched detectors with photo*Dual Photologic(R) circuitry in single lithographic control of relative position Absolute Maximum Ratings (TA = 25o C unless otherwise noted) Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 V(5) Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40o C to +100o C Operate Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40o C to +85o C Lead Solder Temperature [1/16 inch (1.6 mm) from case for 5 sec. with soldering iron] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260o C(2) Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mW(1) Duration of Output Short to VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.00 sec. Voltage At Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 V Low Level Output Current (sinking) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 mA Notes: (1) Derate linearly 2.67 mW/o C above 25o C. (2) RMA flux is recommended. Duration can be extended to 10 sec. max when flow soldering. Max 20 grams force may be applied to leads when flow soldering. (3) A 0.01 F capacitor should be used across the VCC and GND leads to stabilize the power supply line. (4) Irradiance measurements are made with = 940 nm. (5) Derate linearly 0.37 V/o C above 58o C. package provides reduced component count *Open collector inverter output for flexibility of circuit interface *Low cost plastic housing Description The OPL583 contains a monolithic integrated circuit which incorporates two independent photodiodes, linear amplifiers, Schmitt trigger circuits, and output transistors served by a common voltage regulator. The outputs are TTL/LSTTL compatible and can drive 8 TTL loads over a voltage range from 4.5 to 16 V. Applications include linear and rotary encoders with resolutions determined by external apertures. The fixed relative position of the two photodiodes and the matched characteristics of the two channels allow considerable design flexibility. Schematic 4 VCC VREG 3 AMP OUT B 2 OUT A AMP 1 GND Optek Technology, Inc. 1215 W. Crosby Road Carrollton, Texas 75006 4-16 (972) 323-2200 Fax (972) 323-2396 Type OPL583 Electrical Characteristics (TA = 25o C, VCC = 4.5 V - 16 V unless otherwise noted) SYMBOL VCC EeT(+) PARAMETER Operating Supply Voltage(3) Positive Going Threshold Irradiance(4) Channel Match EeT(+,A)/EeT(+,B) Supply Current Both Outputs Low (Both Photodiodes Irradiated) Supply Current Both Outputs High (Both Photodiodes Shaded) Supply Current Mixed Output States (One High, One Low) High Level Output Current Low Level Output Voltage Propagation Delay Output High to Low Output Low to High Output Rise Time Output Fall Time MIN TYP MAX UNITS 4.5 0.05 1.1 0.67 0.10 1.5 1.00 8.5 16 2.0 1.50 V 0.25 mW/cm2 TEST CONDITIONS EeT(+)/EeT(-) Hysteresis Ratio MATCH ICCL Ee = 0.5 mW/cm2, No Load on Output 12.0 mA Ee = 0 mW/cm2, No Load on Output 3.5 6 1.0 0.21 2 10 20 15 30.0 0.40 6.0 mA mA A V s s ns ns Ee = 0 mW/cm2 and 0.5 mW/cm2 Ee = 0 mW/cm2, VOH = 16 V Ee = 0.5 mW/cm2, IOL = 12.8 mA Vcc = 5 V, RL = 360 Ee = 0 or 0.5 mW/cm2, f = 10 kHz, D.C. = 50% ICCH ICCM IOH VOL TPHL TPLH tr tf Typical Performance Curves Angular Displacement from Package Mechanical Axis Normalized Threshold Irradiance vs. Ambient Temperature VCC = 5 V = 940 nm EeT(-) Supply Current vs. Ambient Temperature VCC = 16 V No Load On Output = 940 nm Ee = 0.5 mW/cm2 for ICCL Ee = 0.0 mW/cm2 for ICCH Based on IL vs. Angular Displacement readings from 5 photodiode-bonded samples EeT(+) ICCL ICCH Angular Response (Typ) - 0o TA - Ambient Temperature - oC TA - Ambient Temperature - oC Optek reserves the right to make changes at any time in order to improve design and to supply the best product possible. Optek Technology, Inc. 1215 W. Crosby Road Carrollton, Texas 75006 (972)323-2200 Fax (972)323-2396 4-17 Type OPL583 Typical Performance Curves High Level Output Current vs. Ambient Temperature VCC = 4.5 V VOH = 18 V Ee = 0 mW/cm2 Low Level Output Voltage vs. Ambient Temperature VCC = 4.5 V IOL = 12.8 mA = 940 nm Rise, Fall Time vs. Ambient Temperature vs. Output Load VCC = 5 V = 940 nm f = 10 kHz tr, RL = 2 k Amplitude = 0.5 mW/cm2 VOL tr, RL = 1 k IOH tr, RL = 360 tf, RL = 360, 1 k, 2 k TA - Ambient Temperature - oC TA - Ambient Temperature - oC TA - Ambient Temperature - oC Typical Application Propagation Delay vs. Ambient Temperature Amplitude = 0.5 mW/cm2 VCC = 5 V RL = 360 = 940 nm f = 10 KHz Duty Cycle = 50% tPHL tPLH TA - Ambient Temperature - oC Optek Technology, Inc. 1215 W. Crosby Road Carrollton, Texas 75006 4-18 (972) 323-2200 Fax (972) 323-2396 |
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