ADT2688 * this specifications are subject to be changed without notice http://www.ad-tech.co.kr general description features ? wide operating supply voltage 2.7v ~ 5.5 v. ? low current consumption ( typ. 320ua@3v, 370ua@5v ) ? maximum interference safety ag ainst vcc noise & light noise ? maximum distance under vcc ripple & light source noise include lcd tv ? carrier frequency 36 / 37.9 / 40 khz available ? high esd level ? output active low the ADT2688 is a low current receiver ic for the high-end application infrared remote control system. it has a wide vo ltage operating such as 2.7~5.5v, a very high sensitivity. these ics are capable of accepting a photo diode directly and in clude 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 circuit assembled on a single chip.
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