WM8721 portable digital audio solutions

Wolfson Microelectronics plc

Description

WM8721 Internet Audio DAC with Integrated Headphone Driver Product Preview, November 2000, Rev 1.3 .
The WM8721 is a low power stereo DAC with an integrated headphone driver.

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Datasheet Specifications

Part number: WM8721
Manufacturer: Wolfson Microelectronics plc
File Size: 337.57 KB
Datasheet: WM8721_WolfsonMicroelectronicsplc.pdf
Description: portable digital audio solutions

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. FEATURES
* Audio

Applications

* Portable MP3 Players
* CD and Minidisc Players BLOCK DIAGRAM CSB SDIN SCLK MODE AVDD VMID AGND DACDAT (3) DACLRC (4) BCLK (2) (15) (16) (17) (14) (11) (13) (12) WM8721 CONTROL INTERFACE DIGITAL FILTERS DAC +6 to -73dB 1 dB Steps VOL/ MUTE H/P DRIVER DIGTAL AUDIO INTERFA

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WM8721 portable digital audio solutions Wolfson Microelectronics plc

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