ADT2690 * this specifications are subject to be changed without notice http://www.ad-tech.co.kr general description features the ADT2690 is a miniaturized r eceiver ic for infrared remote control system. it has a wide voltage operating su ch as 2.7~5.5v, a high sensitivity. wide operating voltage is very su itable to the hand-held battery operating systems, e.g., electrical toy. it has 4 trimming cells for the fine d 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 band pass filter, a detection circuit, two comparator circuits, gain control circuits, integrator circuits, a waveform shaping ci rcuit assembled on a single chip. ? wide operating supply voltage 2.7v ~ 5.5 v. ? no external components necessary ? internal filter for a high fre quency lighting fluorescent lamp ? output active low ? carrier frequency 36khz ~ 40khz available ? 43mil/26mil small size photo diode is available
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