* this specifications are subject to be changed without notice http://www.ad-tech.co.kr ADT2689FXX general description features the ADT2689FXX is high qua lity 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 can be high performance for short burst & pause time codes of lcd tv , ip tv, ip set-top and etc. applications. it has better distance performance in external light source environment and lcd tv application. 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 circuits such as a high gain initial amplifier, a gain control amplifier, a li miter, a double band pass filter, a detection circuit, two comparator circuits, gain control circuit, integrator circuit, a waveform shap ing circuit assembled on a single chip. ? low current consumption ( typ. 350ua@3v , 400ua@5v ) ? maximum interference safety agains t vcc noise & external light noise ? optimization in short burst & short pause time application ( ip tv, ip set-top, toy etc. ) ? min burst length : 6 and acceptable continuous code ? output active low
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