Datasheet > WM8782A

WM8782A

更新时间： 2024-09-18 01:23:55

品牌	Logo	应用领域
凌云 - CIRRUS		/
页数	文件大小	规格书
20页	307K
描述
24-Bit, 192kHz Stereo ADC

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WM8782A 数据手册

WM8782A

24-Bit, 192kHz Stereo ADC

DESCRIPTION

FEATURES

•

SNR 100dB (‘A’ weighted @ 48kHz)

The WM8782A is a high performance, low cost stereo

audio ADC designed for recordable media applications.

THD -93dB (at –1dB)

Sampling Frequency: 8 – 192kHz

Slave Clocking Mode

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

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

768fs

accommodate analogue input signals greater than 1V_rms

The device also has a high pass filter to remove residual

DC offsets.

•

Audio Data Interface Modes

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

Supply Voltages

WM8782A offers a Slave mode clocking scheme. 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.

Analogue: 2.7 to 5.5V

Digital core: 2.7V to 3.6V

•

20-lead SSOP package

Accelerated Lifetime Screened Devices available.

The device is a hardware controlled device and is supplied

in a 20-lead SSOP.

APPLICATIONS

•

Recordable DVD Players

Personal Video Recorders

STB

Studio Audio Processing Equipment

Automotive

The device is available over a functional temperature range of

-40°C to +85°C

BLOCK DIAGRAM

Production Data, April 2010, Rev 4.8

WOLFSON MICROELECTRONICS plc

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