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AD1988A/AD1988Bpdf datasheet

消耗积分:5 | 格式:rar | 大小:548 | 2009-09-12

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The AD1988A/AD1988B support external volume control on Pin 2 (GPIO_0/VOLUME). The circuit diagram in Figure 4 allows up/down/mute control using only three switches and four resistors external to the codec. The up/down switches can also be replaced by a center-position-off SPDT toggle switch. The mute switch is optional, but desirable, for a satisfactory user interface.

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