KA2182/KA2183 (TV) infrared remote control receiving preamplifier circuit

Published:2011/7/27 19:20:00 Author:TaoXi | Keyword: TV, infrared, remote control, receiving, preamplifier circuit | From:SeekIC

The KA2182/KA2183 is designed as the infrared remote control receiving preamplifier silicon single chip circuit that can be used in the TV application. The internal circuit is composed of the preamplifier, the Automatic bias controller (ABLC), amplitude limiting level shift circuit，biasing circuit, peak value detector and the pulse plastic circuit. Features Low power consumption. The Icc typical value of the KA2182 is 2.2mA, the Icc typical value of the KA2183 is 2.3mA.High input sensitivity, the typical value is 50uV.Wide input voltage range, the value is 4-8V.Little external components.The output low level of the KA2182 is effective, The output high level of the KA2183 is effective.



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