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ET6501B

LIGHT-ACTIVATED INVERTER IC WITH INTERNAL PULL-UP AND ADJUSTABLE OPTICAL THRESHOLD

This opto-inverter device incorporates an integral photodiode, amplifier, Schmitt trigger, and internally pulled-up output stage. An on-chip voltage regulator allows operation over a wide range of available supply voltage. The phase of the digital output is considered to be inverted from the optical input, so that the output is HI when the light source is OFF, and the output is LOW when the light source is ON.
An adjust pin (ADJ) is provided to allow the user to alter the optical threshold at which the output changes state.