Datasheet > EVAL-ADMP504Z-FLEX

EVAL-ADMP504Z-FLEX

更新时间： 2024-10-02 12:20:47

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
12页	273K
描述
Ultralow Noise Microphone

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Ultralow Noise Microphone with

Bottom Port and Analog Output

Data Sheet

ADMP504

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Tiny, 3.35 mm × 2.5 mm × 0.88 mm surface-mount package

Omnidirectional response

Very high SNR of 65 dBA

Sensitivity of −38 dBV

OUTPUT

AMPLIFIER

OUTPUT

Extended frequency response from 100 Hz to 20 kHz

Low current consumption: 180 μA

Single-ended analog output

POWER

ADMP504

120 dB maximum SPL

High PSR of 70 dBV

Compatible with Sn/Pb and Pb-free solder processes

RoHS/WEEE compliant

GND

Figure 1.

APPLICATIONS

Smartphones and feature phones

Tablet computers

Teleconferencing systems

Digital still and video cameras

Bluetooth headsets

Notebook PCs

TOP ISO

BOTTOM ISO

Security and surveillance

Figure 2. Isometric Views of ADMP504 Microphone Package

GENERAL DESCRIPTION

The ADMP504¹is a high performance, very low noise, low

power, analog output, bottom-ported omnidirectional MEMS

microphone. The ADMP504 consists of a MEMS microphone

element, an impedance converter and an output amplifier. The

ADMP504 sensitivity specification makes it an excellent choice

for both near field and far field applications. The ADMP504 is

function- and pin-compatible with the ADMP404 microphone,

providing an easy upgrade path.

intelligibility. Low current consumption enables long battery

life for portable applications. A built-in particle filter provides

high reliability. The ADMP504 complies with the TIA-920

Telecommunications Telephone Terminal Equipment Transmis-

sion Requirements for Wideband Digital Wireline Telephones

standard.

The ADMP504 is available in an ultraminiature 3.35 mm ×

2.5 mm × 0.88 mm surface-mount package. It is reflow solder

compatible with no sensitivity degradation. The ADMP504 is

halide free.

The ADMP504 has very high SNR and extended wideband

frequency response, resulting in natural sound with high

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

Rev. 0

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

Fax: 781.461.3113

www.analog.com

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