Datasheet > WM7120IMSE/V

WM7120IMSE/V

更新时间： 2024-01-15 02:17:40

品牌	Logo	应用领域
凌云 - CIRRUS		/
页数	文件大小	规格书
12页	207K
描述
Analog Circuit

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技术参数
数据手册

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WM7120IMSE/V 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	BCC, BGA4,2X2,20	Reach Compliance Code：	compliant
HTS代码：	8542.39.00.01	风险等级：	5.58
模拟集成电路 - 其他类型：	ANALOG CIRCUIT	JESD-30 代码：	R-XBCC-BU4
长度：	3.76 mm	信道数量：	1
功能数量：	1	端子数量：	4
最高工作温度：	100 °C	最低工作温度：	-40 °C
封装主体材料：	UNSPECIFIED	封装代码：	BCC
封装等效代码：	BGA4,2X2,20	封装形状：	RECTANGULAR
封装形式：	CHIP CARRIER	座面最大高度：	1.2 mm
最大供电电压 (Vsup)：	3.7 V	最小供电电压 (Vsup)：	1.5 V
标称供电电压 (Vsup)：	2.1 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子形式：	BUTT	端子节距：	2.46 mm
端子位置：	BOTTOM	宽度：	2.95 mm
Base Number Matches：	1

WM7120IMSE/V 数据手册

WM7120, WM7120E

Top Port Analogue Silicon Microphone

DESCRIPTION

FEATURES

•

High SNR; selectable sensitivity tolerance options

The WM7120 is a low-profile silicon analogue microphone.

It offers high Signal to Noise Ratio (SNR) and low power

consumption and is suited to a wide variety of consumer

applications.

WM7120 - SNR 59dB, Sensitivity +/-3dB

WM7120E - SNR 59dB, Sensitivity +/-1dB

•

Low supply current 140μA

Low profile packaging

The

WM7120

incorporates

Wolfson’s

proprietary

CMOS/MEMS membrane technology, offering high reliability

and high performance in a miniature, low-profile package.

The WM7120 is designed to withstand the high

temperatures associated with automated flow solder

assembly processes. (Note that conventional microphones

can be damaged by this process.)

Support for automated flow solder assembly

Analogue output

Top Port Package

1.5V to 3.7V supply

3.76mm x 2.95mm x 1.10mm Package

The WM7120E variant offers a tighter tolerance on the

microphone sensitivity, giving reduced variation between

parts. This removes the need for in-line production

calibration of part-to-part microphone variations.

APPLICATIONS

•

Mobile phone handsets

Portable media players

Digital still cameras

Digital video cameras

Bluetooth headsets

Portable navigation devices

Portable games consoles

BLOCK DIAGRAM

VDD

Charge

Pump

Transducer

(CMOS MEMS)

OUTPUT

Amp

WM7120

GND

Pre-Production, January 2011, Rev 3.1

WOLFSON MICROELECTRONICS plc

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