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INMP401 Datasheet Preview

INMP401 Datasheet

Omnidirectional Microphone

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INMP401
Omnidirectional Microphone with Bottom Port and Analog Output
GENERAL DESCRIPTION
The INMP401* is a high-quality, high-performance, low-
power, analog-output bottom-ported omnidirectional MEMS
microphone. The INMP401 consists of a MEMS microphone
element, an impedance converter, and an output amplifier.
The INMP401 sensitivity specification makes it an excellent
choice for near-field applications. The INMP401 has a
wideband frequency response, resulting in natural sound with
high intelligibility. The specially designed low frequency cutoff
reduces wind noise. Its low current consumption enables long
battery life for portable applications.
The INMP401 complies with the TIA-920 Telecommunications
Telephone Terminal Equipment Transmission Requirements
for Wideband Digital Wireline Telephones standard.
The INMP401 is available in a 4.72 × 3.76 × 1.00 mm surface-
mount package. It is reflow solder compatible with no
sensitivity degradation. The INMP401 is halide free.
*Protected by U.S. Patents 7,449,356; 7,825,484; 7,885,423; and 7,961,897.
Other patents are pending.
APPLICATIONS
Mobile Devices
Teleconferencing Systems
Headsets
Security Panels
Intercom Devices
FEATURES
4.72 × 3.76 × 1.00 mm Surface-Mount Package
SNR of 62 dBA
Sensitivity of −42 dBV
Flat Frequency Response from 60 Hz to 15 kHz
Low Current Consumption: <250 µA
Single-Ended Analog Output
High PSR of 70 dB
Compatible with Sn/Pb and Pb-Free Solder Processes
RoHS/WEEE Compliant
FUNCTIONAL BLOCK DIAGRAM
OUTPUT
AMPLIFIER
OUTPUT
INMP401
POWER
VDD GND
ORDERING INFORMATION
PART
INMP401ACEZ-R0*
INMP401ACEZ-R7
EV_INMP401
EV_INMP401-FX
* – 13” Tape and Reel
TEMP RANGE
−40°C to +85°C
−40°C to +85°C
† – 7” Tape and reel to be discontinued. Contact
sales@invensense.com for availability.
InvenSense reserves the right to change the detail
specifications as may be required to permit
improvements in the design of its products.
InvenSense Inc.
1745 Technology Drive, San Jose, CA 95110 U.S.A
+1(408) 988–7339
www.invensense.com
Document Number: DS-INMP401-00
Revision: 1.1
Rev Date: 05/21/2014




InvenSense

INMP401 Datasheet Preview

INMP401 Datasheet

Omnidirectional Microphone

No Preview Available !

INMP401
TABLE OF CONTENTS
General Description .................................................................................................................................................1
Applications .............................................................................................................................................................1
Features ...................................................................................................................................................................1
Functional Block Diagram ........................................................................................................................................1
Ordering Information...............................................................................................................................................1
Table of Contents............................................................................................................................................................ 2
Specifications .................................................................................................................................................................. 3
Table 1. Electrical Characteristics ............................................................................................................................3
Absolute Maximum Ratings ............................................................................................................................................ 4
Table 2. Absolute Maximum Ratings .......................................................................................................................4
ESD Caution .............................................................................................................................................................4
Soldering Profile.......................................................................................................................................................5
Table 3. Recommended Soldering Profile*..............................................................................................................5
Pin Configurations And Function Descriptions ............................................................................................................... 6
Table 4. Pin Function Descriptions...........................................................................................................................6
Typical Performance Characteristics............................................................................................................................... 7
Applications Information ................................................................................................................................................ 8
Connecting To Audio Codecs ...................................................................................................................................8
Supporting Documents ................................................................................................................................................... 9
Evaluation Board User Guide...................................................................................................................................9
application Notes (product specific)........................................................................................................................9
Application Notes (general) .....................................................................................................................................9
PCB Design And Land Pattern Layout ........................................................................................................................... 10
Handling Instructions .................................................................................................................................................... 11
Pick And Place Equipment .....................................................................................................................................11
Reflow Solder.........................................................................................................................................................11
Board Wash............................................................................................................................................................11
Outline Dimensions....................................................................................................................................................... 12
Ordering Guide ......................................................................................................................................................13
Revision History .....................................................................................................................................................13
Compliance Declaration Disclaimer .......................................................................................................................14
Document Number: DS-INMP401-00
Revision: 1.1
Page 2 of 14


Part Number INMP401
Description Omnidirectional Microphone
Maker InvenSense
Total Page 14 Pages
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