Optical Comparator Array Type OPR5011 Features Precise activ

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Optical Comparator Array Type OPR5011 Features Precise activ

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Product Bulletin OPR5011 September 2001
Optical Comparator Array
Type OPR5011
Features Precise active area location Surface mountable compatible output Wide supply voltage range Wide operating temperature range Description
OPR5011 hybrid sensor array consisting three channels Optek OPC8332 Differential Optical Comparator, TRI-DOC" single chip construction ensures very tight dimensional tolerances between active areas. Specifically designed high-speed/high resolution encoder applications, open collector output switches based comparison input photodiode' light current levels. Logarithmic amplification input signals makes possible operation over wide range light levels. packages surface mountable made from custom opaque polyimide which shields active devices from stray light. high temperature laminate withstand multiple exposures most demanding soldering conditions. Wrap around contacts gold plated exceptional storage wetting characteristics.
Absolute Maximum Ratings unless otherwise noted)
Storage Temperature -40°C +100°C Operating Temperature -40°C +100°C Supply Voltage Output Voltage Output Current Power Dissipation. Soldering Temperature (Vapor Phase Reflow seconds) 235°C
Replaces
OPR5003B OPR5010 OPC8332 Block Diagram
Optek Technology, Inc.
1215 Crosby Road
Carrollton, Texas 75006
(972) 323-2200
(972) 323-2396
Type OPR5011
Electrical Characteristics unless otherwise noted) SYMBOL
OPT-HYS OPT-OFF
PARAMETER
Supply Current Level Output Voltage High Level Output Current Optical Hysteresis Optical Offset Frequency Response Output Rise Time Output Fall Time
40.0
UNITS
TEST CONDITIONS
20.0
NOTES
NOTES: 100.0 100.0 held while ramped from back modulated from modulated from with phase shifted 180°with respect (+). trimpot output signal duty cycle maximum operating frequency. Measured between ponts. Optical Hysteresis Optical Offset found placi light inverting photodiode ramping light intensity noninverting input from .5µW back down. This will produce trigger points, upper trigger point lower trigger point. These points used calculate optical hysteresis offset. These defined Optical Hysteresis rise fall) Optical Offset average
Where: Light level incident upon photodiode chip (Pin µW). rise Value light power level incident upon photodiode that required switch digital output when light level increasing level (rising edge). fall Value light power level incident upon photodiode that required switch digital output when light level decreasing level (falling edge). average rise fall
Application Circuit
NOTES: 74LS04 recommended means isolating DOC"comparator circuitry from transients induced inductive capacitive loads. recommended that decoupling capacitor placed close possible vice.
Optek serves right make changes time order improve design supply best product possi ble. Optek Technology, Inc. 1215 Crosby Road Carrollton, Texas 75006 (972)323-2200 (972)323-2396

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