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A2232

Part Number	A2232
Manufacturer	AiT Semiconductor
Description	3W STEREO WITH ADVANCED DC VOLUME CONTROL
Published	Mar 8, 2014
Detailed Description	AiT Semiconductor Inc. www.ait-ic.com A2232 AUDIO AMPLIFIER 3W STEREO WITH ADVANCED DC VOLUME CONTROL DESCRIPTION The ...
Datasheet	A2232 PDF File

Overview

AiT Semiconductor Inc.
www.
ait-ic.
com A2232 AUDIO AMPLIFIER 3W STEREO WITH ADVANCED DC VOLUME CONTROL DESCRIPTION The A2232 is a stereo audio power amplifier that drives 3W/channel of continuous RMS power into a 3Ω load.
Advanced DC volume control minimizes external components and allows BTL (speaker) volume control and SE (headphone) volume control.
Notebook and pocket PCs benefit from the integrated feature set that minimizes external components without sacrificing functionality.
To simplify design, the speaker volume level is adjusted by applying a DC voltage to the VOLUME terminal.
Likewise, the delta between speaker volume and headphone volume can be adjusted by applying a DC voltage to the SEDIFF terminal.
To avoid an unexpected high volume level through the headphones, a third terminal, SEMAX, limits the headphone volume level when a DC voltage is applied.
Finally, to ensure a smooth transition between active and shutdown modes, a fade mode ramps the volume up and down.
The A2...

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