BU-3762AF monolithic remote control transmitter integrated circuit

Published:2011/5/10 1:17:00 Author:Fiona | Keyword: monolithic remote control transmitter | From:SeekIC

BU-3762AF is a monolithic remote control transmitter integrated circuit.It’s widely used in various remote control systems, such as televisions, audio equipment, DVD players and so on. 1. Features BU-3762AF integrated circuit includes scan keys pulse generator, telecommand encoder, clock oscillation circuit, transmit signal pre-amplifier circuit, test circuit, and other ancillary circuit. 2. pin functions and data BU-3762AF integrated circuit uses 18-pin dual in-line package.The main pin function as follows:② feet: reset control signal input, high reset.④ - (14) feet: constitute the keyboard matrix circuit used for manual operation.(15) feet: remote control command signal output, the output signal promotes the infrared emitting diodes infrared light after being amplified by the driver tube VT1 (17), (16) feet: the side external components of clock oscillation circuit.(18) feet : the supply voltage input.the working parameters of BU-3762AF integrated circuit is listed in Table 1. Table 1 the working parameters of BU-3762AF integrated circuit 3. Typical application circuit The typical application of the remote control circuit consisting of BU-3762AF integrated circuitisshown in Figure 1. Figure 1 typical application of the remote control circuit consisting of BU-3762AF integrated circuit



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