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Partname:AD1991
Description:Class D/1-Bit Audio Power Output Stage
Manufacturer:Analog Devices
Datasheet:PDF (194K).
Click here to download *)

The AD1991 is a 2-channel BTL or 4-channel single-ended class D audio power output stage. The part is configured during reset to be in either 2-channel mode or 4-channel mode. To protect the IC as well as the connected speakers, the AD1991 provides turn-on and turn-off pop suppression, short-circuit protection, and overtemperature shutdown. To control the IC, a power-down/reset input and a mute pin are available.

Click here to download AD1991 Datasheet
Click here to download AD1991 Datasheet
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