WM8725 datasheet(1/9 Pages) WOLFSON

tên linh kiện	WM8725

Giải thích chi tiết về linh kiện	99dB Stereo DAC

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WM8725

99dB Stereo DAC

Production Data, July 2000, Rev 2.0

WOLFSON MICROELECTRONICS LTD

Lutton Court, Bernard Terrace, Edinburgh, EH8 9NX, UK

Tel: +44 (0) 131 667 9386

Fax: +44 (0) 131 667 5176

Email: sales@wolfson.co.uk

http://www.wolfson.co.uk

Production Data datasheets contain final

specifications current on publication date.

Supply of products conforms to Wolfson

Microelectronics’ Terms and Conditions.

2000 Wolfson Microelectronics Ltd

.

DESCRIPTION

WM8725 is a high-performance stereo DAC designed for

use in portable audio equipment, video CD players and

similar applications. It comprises selectable normal or I

2S

compatible serial data interfaces for 16 to 24-bit digital

inputs, high performance digital filters, and sigma-delta

output DACs, achieving an excellent 99dB signal-to-noise

performance.

The device is available in a 14-pin SO package that offers

selectable mute and de-emphasis functions using a

minimum of external components.

FEATURES

•

Compatible with PCM1725

•

99dB SNR performance

•

Stereo DAC with input sampling from 8kHz to 96kHz

•

Additional mute feature

•

Normal or I

2S compatible data format

•

Sigma-delta design with 64x oversampling

•

System clock 256fs or 384fs

•

Supply range 3V to 5V

•

14-pin SOIC package

APPLICATIONS

•

Portable audio equipment

•

Video CD players

BLOCK DIAGRAM

(5)

CAP

DIGITAL

SIGMA-DELTA

MODULATOR

DIGITAL

SIGMA-DELTA

MODULATOR

LRCIN (1)

SERIAL

INTERFACE

DIGITAL

FILTERS

(12)

DEEMPH

(10)

MUTE

SWITCHED

CAPACITOR

DAC

SWITCHED

CAPACITOR

DAC

(8)

VDD

(7)

GND

(9) VOUTL

(6) VOUTR

BCKIN (3)

FORMAT (13)

SCKI (14)

DIN (2)

WM8725

Số phần tương tự - WM8725

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
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