Published:2011/7/5 6:25:00 Author:Robert | Keyword: IC, Internal, Diagram, Typical, Application | From:SeekIC
The KA2281 is a LED display driving IC produced by the Korean Samsung company. It is used as the output voltage level indicator in many kinds of stereo sound systems.
The KA2281 IC has internal dual channel 5-stage LED logarithmic voltage-level indicating driving circuit. Its internal part has two inverting amplifiers and ten comparators, referenced voltage network and other circuits.
The KA2281 IC's internal circuit diagram and typical application circuit is shown in the picture. The interval of the indicating voltage level is 5dB, 5dB, 3dB, 3dB.
The picture shows the KA2281 IC's internal circuit diagram and typical application circuit.
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