WM8714 datasheet(1/17 Pages) WOLFSON

номер детали	WM8714

подробное описание детали	24-bit, 96kHz Stereo DAC

PDF	17 Pages

Scroll/Zoom	100%

производитель	WOLFSON [Wolfson Microelectronics plc]

домашняя страница	http://www.wolfsonmicro.com

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WM8714

24-bit, 96kHz Stereo DAC

WOLFSON MICROELECTRONICS plc

w : www.wolfsonmicro.com

Production Data, November 2004, Rev 4.0

Copyright

2004 Wolfson Microelectronics plc.

DESCRIPTION

The WM8714 is a high performance stereo DAC designed

for audio applications such as DVD, home theatre systems,

and digital TV. The WM8714 supports data input word

lengths from 16 to 24-bits and sampling rates up to 96kHz.

The WM8714 consists of a serial interface port, digital

interpolation filters, multi-bit sigma delta modulators and

stereo DAC in a 14-pin SOIC package.

The WM8714 has a hardware control interface for selection

of audio data interface format, mute and de-emphasis. The

WM8714 supports I

2S, and right Justified audio data

interfaces.

The WM8714 is an ideal device to interface to AC-3

,

DTS

, and MPEG audio decoders for surround sound

applications, or for use in DVD players.

FEATURES

•

Stereo DAC

•

Audio Performance

-

95dB SNR (‘A’ weighted @ 48kHz) DAC

-

-90dB THD

•

DAC Sampling Frequency: 8kHz – 96kHz

•

Pin Selectable Audio Data Interface Format

-

I

2S, Right Justified or DSP

•

3 - 5V Supply Operation

•

14-pin SOIC Package

•

Pin Compatible with WM8725

APPLICATIONS

•

DVD Players

•

Digital TV

•

Digital Set Top Boxes

BLOCK DIAGRAM

SERIAL

INTERFACE

MUTE

CONTROL INTERFACE

VOUTL

VOUTR

SIGMA

DELTA

MODULATOR

LRCIN

DIN

MUTE

SIGMA

DELTA

MODULATOR

DIGITAL FILTERS

MCLK

DEEMPH

MUTE

FORMAT

LOW

PASS

FILTER

LOW

PASS

FILTER

CAP

RIGHT

DAC

LEFT

DAC

GND

VDD

BCKIN

W

WM8714

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