* this specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT2689SXX general description features the ADT2689SXX is high quality low current receiver ic for infrared remote control system. it has a wide voltage operating such as 2.7~5.5v, a high sensitivity. especially, it is optimized for sony 20bit code of lcd tv, set-top and etc. applications. it has 5 trimming cells for the fined adjust of center frequency. these ics are capable of accepti ng a photodiode directly and include many excellent circuit such as a high gain initial amplifier, a gain control amplifier, a limiter, a double band pass filter, a detection circuit, two comparator circuits, gain control circuits, integrator circuits, a waveform shaping circuit assembled on a single chip. ? low current consumption ( typ. 350ua@3v , 400ua@5v ) ? maximum interference safety agains t vcc noise & external light noise ? acceptable sony 20bit codes for set-top or toy application ? min burst length : 10 and acceptable continuous code for max. 1.2ms ? output active low
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