參數(shù)資料
型號: ADMP404ACEZ-RL
廠商: Analog Devices Inc
文件頁數(shù): 1/12頁
文件大小: 0K
描述: MIC MEMS OMNI-DIR ANALOG 3LGA
標準包裝: 1
系列: ADMP404
類型: MEMS(硅)
輸出類型: 模擬
方向: 全向
頻率范圍: 100Hz ~ 15kHz
靈敏度: -38dB ±3dB
信噪比: 62dB
阻抗: 200 歐姆
電壓 - 額定: 1.5 ~ 3.3V
電流 - 電源: 250µA
端口位置: 底部
密封等級:
端子: 表面貼裝型
尺寸/尺寸: 3.35mm L x 2.50mm W
高度(最大): 0.98mm
形狀: 矩形
包裝: 標準包裝
配用: EVAL-ADMP404Z-FLEX-ND - BOARD EVALUATION FOR ADMP404
其它名稱: ADMP404ACEZ-RLDKR
Omnidirectional Microphone with
Bottom Port and Analog Output
Data Sheet
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2010–2012 Analog Devices, Inc. All rights reserved.
FEATURES
Tiny 3.35 mm × 2.50 mm × 0.88 mm surface-mount package
High SNR of 62 dBA
High sensitivity of 38 dBV
Flat frequency response from 100 Hz to 15 kHz
Low current consumption: <250 A
Single-ended analog output
High PSR of 70 dB
Compatible with Sn/Pb and Pb-free solder processes
RoHS/WEEE compliant
APPLICATIONS
Smartphones and feature phones
Teleconferencing systems
Digital video cameras
Bluetooth headsets
Video phones
Tablets
FUNCTIONAL BLOCK DIAGRAM
08616
-00
1
OUTPUT
AMPLIFIER
ADMP404
POWER
VDD GND
OUTPUT
Figure 1.
GENERAL DESCRIPTION
The ADMP4041 is a high quality, high performance, low power,
analog output bottom-ported omnidirectional MEMS microphone.
The ADMP404 consists of a MEMS microphone element, an
impedance converter, and an output amplifier. The ADMP404
sensitivity specification makes it an excellent choice for both
near field and far field applications. The ADMP404 has a high
signal-to-noise ratio (SNR) and flat, wideband frequency response,
resulting in natural sound with high intelligibility. Its low current
consumption enables long battery life for portable applications.
The ADMP404 complies with the TIA-920 Telecommunications
Telephone Terminal Equipment Transmission Requirements for
Wideband Digital Wireline Telephones standard.
The ADMP404 is available in an ultraminiature 3.35 mm ×
2.50 mm × 0.88 mm surface-mount package. It is reflow solder
compatible with no sensitivity degradation. The ADMP404 is
halide free.
1
Protected by U.S. Patents 7,449,356; 7,825,484; 7,885,423; 7,961,897. Other patents are pending.
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ADMP405 制造商:AD 制造商全稱:Analog Devices 功能描述:Omnidirectional Microphone with Bottom Port and Analog Output
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