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WM8501
(Rev.:2006)

24-bit 192kHz Stereo DAC with 1.7Vrms Line Driver

Wolfson Microelectronics plc 

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WM8501

24-bit 192kHz Stereo DAC with 1.7Vrms Line Driver

DESCRIPTION

The WM8501 is a high performance stereo DAC with an

integrated 1.7Vrms line driver. It is designed for audio

applications that require a high voltage output along with

enhanced load drive capability.

The WM8501 supports data input word lengths from 16 to

24-bits and sampling rates up to 192kHz. The WM8501

consists of a serial interface port, digital interpolation filters,

multi-bit sigma delta modulators and stereo DAC in a 14-

lead SOIC package.

The hardware control interface is used for the selection of

audio data interface format, enable and de-emphasis. The

WM8501 supports I2S, right Justified or DSP interfaces.

Operating on separate analog and digital supplies the

WM8501 offers very lower power consumption from the

digital section, whilst supporting enhanced load drive from

the analogue output.

FEATURES

• Stereo DAC with 1.7Vrms line driver from 5V analogue

supply

• Audio performance

- 100dB SNR (‘A’ weighted @ 48kHz)

- -88dB THD

• DAC Sampling Frequency: 8kHz – 192kHz

• Pin Selectable Audio Data Interface Format

- I2S, 16-bit Right Justified or DSP

• 14-lead SOIC package

• 4.5V - 5.5V analogue, 2.7V - 5.5V digital supply operation

APPLICATIONS

• STB

• DVD

• Digital TV

BLOCK DIAGRAM

WOLFSON MICROELECTRONICS plc

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Pre-Production, May 2006, Rev 3.1

Copyright 2006 Wolfson Microelectronics plc

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