Datasheet > EVAL-ADMP411Z-FLEX

EVAL-ADMP411Z-FLEX

更新时间： 2024-10-02 12:29:07

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
12页	296K
描述
High SPL Microphone with Bottom Port and Analog Output

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High SPL Microphone with

Bottom Port and Analog Output

Data Sheet

ADMP411

FEATURES

FUNCTIONAL BLOCK DIAGRAM

4.72 mm × 3.76 mm × 1.0 mm surface mount package

131 dB SPL acoustic overload point

Sensitivity of −46 dBV

OUTPUT

AMPLIFIER

OUTPUT

2 dB sensitivity tolerance

Omnidirectional response

High SNR of 62 dBA

POWER

Extended frequency response from 28 Hz to 20 kHz

Low current consumption: <250 μA

Single-ended analog output

ADMP411

GND

Figure 1.

High PSR of −80 dBV

Compatible with Sn/Pb and Pb-free solder processes

RoHS/WEEE compliant

APPLICATIONS

Fire and safety radios

Safety masks

Smartphones and feature phones

Tablet computers

Teleconferencing systems

Digital still and video cameras

Studio microphones

Figure 2. Isometric Views of Microphone Package

Bluetooth headsets

Security and surveillance

GENERAL DESCRIPTION

The ADMP411¹is a high performance, high SPL, low noise, low

power, analog output bottom ported, omnidirectional MEMS

microphone. The ADMP411 consists of a MEMS microphone

element and an impedance converter amplifier. The ADMP411

sensitivity specification makes it an excellent choice for both

near field and far field applications. The ADMP411 is pin

compatible with the ADMP401 microphone, providing an

easy upgrade path.

The ADMP411 has a linear response up to 131 dB SPL. It offers

high SNR and extended wideband frequency response resulting

in natural sound with high intelligibility. Low current consump-

tion enables long battery life for portable applications.

The ADMP411 is available in a miniature 4.72 mm × 3.76 mm

× 1.0 mm surface-mount package. It is reflow solder compatible

with no sensitivity degradation.

¹Protected by U.S. Patents 7,449,356; 7,825,484; 7,885,423; 7,961,897. Other patents are pending.

Rev. 0

Document Feedback

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Technical Support

www.analog.com

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