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| 型號： | EVAL-ADMP441Z-FLEX |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVAL BOARD FOR ADMP441 |
| 標準包裝： | 1 |
| 系列： | iMEMS® |
| 主要目的： | 音頻，MEMS 全向麥克風 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | ADMP441 |
| 主要屬性： | 數(shù)字輸出 |
| 已供物品： | 2 個板，電源 |
Omnidirectional Microphone with
Bottom Port and I2S Digital Output
Data Sheet
Rev. B
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
2011–2012 Analog Devices, Inc. All rights reserved.
FEATURES
Digital IS interface with high precision 24-bit data
High SNR of 61 dBA
High sensitivity of 26 dBFS
Flat frequency response from 60 Hz to 15 kHz
Low current consumption of 1.4 mA
High PSR of 75 dBFS
Small 4.72 mm × 3.76 mm × 1 mm surface-mount package
Compatible with Sn/Pb and Pb-free solder processes
RoHS/WEEE compliant
APPLICATIONS
Teleconferencing systems
Gaming consoles
Mobile devices
Laptops
Tablets
Security systems
FUNCTIONAL BLOCK DIAGRAM
ADMP441
ADC
POWER
MANAGEMENT
SCK
SD
WS
G
ND
G
ND
G
ND
V
DD
FILTER
I2S
SERIAL
PORT
HARDWARE
CONTROL
L/R
CHI
P
E
N
09568-
001
Figure 1.
BOTTOM
TOP
09568-
015
Figure 2. Isometric Views of ADMP441 Microphone Package
GENERAL DESCRIPTION
The ADMP4411 is a high performance, low power, digital output,
omnidirectional MEMS microphone with a bottom port. The
complete ADMP441 solution consists of a MEMS sensor, signal
conditioning, an analog-to-digital converter, antialiasing filters,
power management, and an industry standard 24-bit IS inter-
face. The IS interface allows the ADMP441 to connect directly
to digital processors, such as DSPs and microcontrollers, with-
out the need for an audio codec in the system.
The ADMP441 has a high SNR and high sensitivity, making it
an excellent choice for far field applications. The ADMP441 has
a flat wideband frequency response, resulting in natural sound
with high intelligibility.
The ADMP441 is available in a thin 4.72 mm × 3.76 mm ×
1 mm surface-mount package. It is reflow solder compatible
with no sensitivity degradation. The ADMP441 is halide free.
1 Protected by U.S. Patents 7,449,356; 7,825,484; 7,885,423; and 7,961,897. Other patents are pending.
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