Datasheet > WM8782

WM8782

更新时间： 2024-09-16 22:41:27

品牌	Logo	应用领域
欧胜 - WOLFSON		/
页数	文件大小	规格书
19页	213K
描述
24-Bit, 192kHz Stereo ADC

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WM8782 数据手册

WM8782

24-Bit, 192kHz Stereo ADC

DESCRIPTION

FEATURES

•

SNR 102dB (‘A’ weighted @ 48kHz)

THD -90dB (at –1dB)

Sampling Frequency: 8 – 192kHz

Master or Slave Clocking Mode

System Clock (MCLK): 128fs, 192fs, 256fs, 384fs, 512fs,

768fs

The WM8782 is a high performance, low cost stereo audio

ADC designed for recordable media applications.

The device offers stereo line level inputs along with two

control input pins (FORMAT, IWL) to allow operation of the

audio interface in three industry standard modes. An

internal op-amp is integrated on the front end of the chip to

•

Audio Data Interface Modes

16-24 bit I²S, 16-24 bit Left, 16-24 bit Right Justified

accommodate analogue input signals greater than 1V_rms

The device also has a high pass filter to remove residual

DC offsets.

Supply Voltages

Analogue 2.7 to 5.5V

Digital core: 2.7V to 3.6V

WM8782 offers Master or Slave mode clocking schemes.

A control input pin M/S is used to allow Slave mode

operation or Master mode operation. A stereo 24-bit multi-

bit sigma-delta ADC is used with 128x, 64x or 32x over-

sampling, according to sample rate. Digital audio output

word lengths from 16-24 bits and sampling rates from

8kHz to 192kHz are supported.

•

20-pin SSOP package

APPLICATIONS

•

Recordable DVD Players

Personal Video Recorders

STB

Studio Audio Processing Equipment

The device is a hardware controlled device and is supplied

in a 20-SSOP package.

BLOCK DIAGRAM

Product Preview, May 2004, Rev 1.0

WOLFSON MICROELECTRONICS plc

www.wolfsonmicro.com

12 3 4 5 6 7...19

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