Datasheet > WM8951L

WM8951L

更新时间： 2024-11-06 22:35:43

品牌	Logo	应用领域
欧胜 - WOLFSON		时钟发生器输入元件
页数	文件大小	规格书
42页	499K
描述
STEREO ADC WITH MICROPHONE INPUT AND CLOCK GENERATOR

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WM8951L 数据手册

WM8951L

Stereo ADC with Microphone Input and Clock Generator

DESCRIPTION

FEATURES

•

Audio Performance

The WM8951L is

a low power stereo ADC with an

ADC SNR 90dB (‘A’ weighted) at 3.3V, 85dB at 1.8V

Low Power

1.42 – 3.6V Digital Supply Operation

1.8 – 3.6V Analogue Supply Operation

integrated microphone interface and crystal oscillator for

clock generation. The WM8951L is ideal for voice recorders,

wireless microphones and games console accessories.

Stereo line and mono microphone level audio inputs are

provided, along with a mute function, programmable line

level volume control and a bias voltage output suitable for

an electret type microphone.

•

Sampling Frequency: 8kHz – 96kHz

Selectable ADC High Pass Filter

2 or 3-Wire MPU Serial Control Interface

Programmable Audio Data Interface Modes

Stereo 24-bit multi-bit sigma delta ADCs are used with

oversampling decimation filters. Digital audio input word

lengths from 16-32 bits and sampling rates from 8kHz to

96kHz are supported.

I²S, Left, Right Justified or DSP

16/20/24/32 bit Word Lengths

Master or Slave Clocking Mode

•

Microphone Input and Electret Bias with Side Tone Mixer

Available in 5x5mm 28-pin QFN package

The device is controlled via a 2 or 3 wire serial interface.

The interface provides access to all features including

volume controls, mutes and extensive power management

facilities. The device is available in a small 28 lead 5x5mm

quad flat leadless package (QFN).

APPLICATIONS

•

Wireless microphones

Voice recorders

Games console accessories

BLOCK DIAGRAM

Production Data, May 2005, Rev 4.0

WOLFSON MICROELECTRONICS plc

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