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WM8721 - portable digital audio solutions

Description

The WM8721 is a low power stereo DAC with an integrated headphone driver.

The WM8721 is designed specifically for portable MP3 audio and speech players.

The WM8721 is also ideal for MD, CD machines and DAT players.

Features

  • including volume controls, mutes, de-emphasis and extensive power management facilities. The device is available in a small 20pin SSOP package. A USB mode is provided where all audio rates can be derived from a simple 12MHz MCLK, saving on need for PLL or multiple crystals.

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Datasheet preview – WM8721

Datasheet Details

Part number WM8721
Manufacturer Wolfson Microelectronics plc
File Size 337.57 KB
Description portable digital audio solutions
Datasheet download datasheet WM8721 Datasheet
Additional preview pages of the WM8721 datasheet.

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Full PDF Text Transcription

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WM8721 Internet Audio DAC with Integrated Headphone Driver Product Preview, November 2000, Rev 1.3 DESCRIPTION The WM8721 is a low power stereo DAC with an integrated headphone driver. The WM8721 is designed specifically for portable MP3 audio and speech players. The WM8721 is also ideal for MD, CD machines and DAT players. Stereo 24-bit multi-bit sigma delta DACs are used with oversampling digital interpolation filters. Digital audio input word lengths from 16-32 bits and sampling rates from 8KHz to 96KHz are supported. Stereo audio outputs are buffered for driving headphones from a programmable volume control, line level outputs are also provided along with anti-thump mute and power up/down circuitry. The device is controlled via a 2 or 3 wire serial interface.
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