HD44043 (TV) infrared remote control receiving decoder circuit

Published:2011/8/1 3:22:00 Author:Christina | Keyword: TV, infrared, remote control, receiving, decoder circuit | From:SeekIC

The HD44043 is designed as one kind of infrared remote control receiving decoder circuit that can be used in the TV application. The internal circuit is composed of the wave-detector, the signal discrimination circuit, the data decoding circuit, the timing decoding circuit, the channel-selection controller, the oscillator, the reset circuit and the output circuit. Features It uses the CMOS technology.Low power consumption, the typical value is 5.5mW.It can receive 31 kinds of instructions.It can input the volume up/down and the power switching instructions directly.The D/A output control has 32 stages.The HD44043 can be used with the preamplifier integrated circuit HD44042 to reduce the peripheral ICs.The HD44043 can be used with the channel-selection IC HD38986 to select the channel directly.



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