Datasheet > WM8953ECS/RV

WM8953ECS/RV

更新时间： 2024-09-17 12:01:23

品牌	Logo	应用领域
欧胜 - WOLFSON		/
页数	文件大小	规格书
100页	1080K
描述
Low Power Stereo ADC with PLL and TDM Interface

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技术参数
数据手册

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WM8953ECS/RV 技术参数

生命周期：	Transferred	Reach Compliance Code：	unknown
风险等级：	5.81	Is Samacsys：	N
Base Number Matches：	1

WM8953ECS/RV 数据手册

WM8953

Low Power Stereo ADC with PLL and TDM Interface

DESCRIPTION

FEATURES

•

SNR 94dB (‘A’ weighted)

THD -82dB at 48kHz, 3.3V

Full stereo microphone / line input interface

Low noise MICBIAS

Low power consumption

Full analogue and digital volume control

PLL provides flexible clocking scheme

2-wire, 3-wire or 4-wire control

Sample rates: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48kHz

GPIO functions available

The WM8953 is a low power high performance stereo ADC

designed for mobile handsets and other portable devices.

Four single-ended or differential input connections are provided,

with up to 60dB of analogue gain in each input path. Stereo 24-

bit sigma-delta ADCs provide hi-fi quality audio recording of

microphones or line input. A programmable high pass filter is

available in the ADC path for removing DC offsets and

suppressing wind and other low frequency noise.

A low noise microphone bias with programmable current detect

and short-circuit detect is provided.

Digital supply: 1.71V – 3.6V

Analogue supply: 2.7V – 3.6V

W-CSP package (3.226 x 3.44 x 0.7mm, 0.5mm pitch)

A flexible digital audio interface supports most commonly-used

clocking schemes. The audio interface supports TDM and

tristate outputs allow multiple devices to share the same

interface.

APPLICATIONS

•

Multimedia phones

General purpose low power audio ADC

An integrated low power PLL provides support for most

commonly-used audio sample rates.

The WM8953 is supplied in very small and thin 42-ball WCSP

package, ideal for portable systems.

Production Data, January 2009, Rev 4.0

WOLFSON MICROELECTRONICS plc

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