CS4340 audio D/A transformation integrated circuit diagram

Published:2011/5/16 3:22:00 Author:Nicole | Keyword: audio, D/A transformation | From:SeekIC

CS4340 is a two-channel D/A transformation integrated circuit with 24 bit resolution which are produced by crystal company, it is widely used in DVD player. CS4340 integrated circuit internally installs serial output interface circuit, interpolation filter, △∑D/A and analogue filter, deemphasis circuit and squelch circuit. It is used to change the audio data singal into analogue singal, it supports 32/44.1/44/96KHz and many kinds of sampling frequency. The internal circuit block diagram of integrated package is shown as figure1, it adopts 16-foot packaging, the pin function of integrated circuit is shown in chart1. Figure1,the internal circuit block diagram of C54340 integrated package is shown Chart1,the pin function of C54340 integrated circuit is shown



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