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PDF ADMP401-1 Data sheet ( Hoja de datos )
| Número de pieza | ADMP401-1 | |
| Descripción | Omnidirectional Microphone | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Preliminary Technical Data
FEATURES
4.72 mm × 3.76 mm × 1.0 mm surface mount package
High SNR: 62 dBA
High sensitivity: −37 dBV
Flat frequency response from 100 Hz to over 12 kHz
Low current consumption: <200 μA
Single-ended analog output
High PSRR: >50 dB
Compatible with Sn/Pb and Pb-free solder processes
RoHS/WEEE compliant
APPLICATIONS
Cell phones
PC audio
Digital cameras
Bluetooth headsets
Omnidirectional Microphone with
Bottom Port and Analog Output
ADMP401-1
GENERAL DESCRIPTION
The ADMP401-1 is a high quality, low cost, low power analog
output bottom-ported omnidirectional MEMS microphone.
The ADMP401-1 consists of a MEMS microphone element and
an output amplifier. The ADMP401-1 has a high SNR and high
sensitivity, making it an excellent choice for far field applications.
The ADMP401-1 has a flat wideband frequency response
resulting in natural sound with high intelligibility. Low current
consumption enables long battery life for portable applications.
A built-in particle filter provides for high reliability.
The ADMP401-1 is available in a thin 4.72 mm × 3.76 mm ×
1.0 mm surface mount package. The ADMP401-1 is reflow
solder compatible with no sensitivity degradation.
FUNCTIONAL BLOCK DIAGRAM
MEMS ASIC
MEMS
SIGNAL
BUFFER
–
OUTPUT
DRIVER
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MEMBRANE
BACKPLATE
MEMS
VBIAS
REFERENCE VOLTAGE
BIAS CURRENT
FILTER
CHARGE
PUMP
GENERATOR
OUTPUT
VDD
GND
Figure 1.
Rev. PrB
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2008 Analog Devices, Inc. All rights reserved.
datasheet pdf - http://www.DataSheet4U.net/
1 page  
Preliminary Technical Data
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
OUTPUT
1
GND
GND
3
GND
2
6
VDD
54
GND
BOTTOM VIEW
(TERMINAL SIDE DOWN)
Not to Scale
Figure 3. Pin Configuration (Bottom View)
Table 4. Pin Function Descriptions
Pin No.
Mnemonic
1 OUTPUT
2 GND
3 GND
4 GND
5 VDD
6 GND
Description
Analog Output Signal.
Ground.
Ground.
Ground.
Power Supply.
Ground.
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ADMP401-1
Rev. PrB | Page 5 of 8
datasheet pdf - http
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet ADMP401-1.PDF ] | |
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