Transcription of Linear Optocoupler, High Gain Stability, Wide Bandwidth
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Semiconductors Rev. , 05-Mar-181 Document Number: 83622 For technical questions, contact: DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENTARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT optocoupler , High Gain Stability, Wide BandwidthDESCRIPTIONThe IL300 Linear optocoupler consists of an AlGaAs IRLED irradiating an isolated feedback and an output PIN photodiode in a bifurcated arrangement. The feedback photodiode captures a percentage of the LEDs flux and generates a control signal (IP1) that can be used to servo the LED drive current. This technique compensates for the LED s non- Linear , time, and temperature characteristics. The output PIN photodiode produces an output signal (IP2) that is linearly related to the servo optical flux created by the time and temperature stability of the input-output coupler gain (K3) is insured by using matched PIN photodiodes that accurately track the output flux of the Couples AC and DC signals % servo linearity Wide Bandwidth , > 200 kHz High gain stability, %/ C typically Low input-output capacitance Low power consumption, < 15 mW Isolation rated voltage 4420 VRMS Internal insulation distance, > mm Material categorization: for definitions of compliance please see Power supply feedback voltage / current Medical sensor
feedback photodiode. The fee dback photodiode captures a percentage of the emitter’s flux and generates a control signal (IP1) that can be used to keep the emitter output constant by adjusting the emitter forward current. This compensates for the emitter’s non-linear, time, and temperature characteristics. The output PIN photodiode
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