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The Vishay preamplifier circuit is designed for use in an IR receiver application together with a photo pin diode. It is a sophisticated receiver concept that is very sensitive to data signals and compatible with the most common data formats for IR remote control. On the other hand it is immune to DC current caused by DC light sources such as tungsten bulbs. The disturbance signal of fluorescent lamps is suppressed, there are no unwanted pulses at the output.

Narrow bandpassfilter for all common carrier frequencies
High immunity against DC light
Low power consumption
Wide supply voltage range
High immunity against ripple on the supply voltage
Output active low
IC manufactured in CMOS technology