ICS-40212
Analog Microphone with Low Power Mode
GENERAL DESCRIPTION APPLICATIONS
The ICS-40212 is an analog MEMS microphone with very high
Smartphones
dynamic range and a low-power AlwaysOn mode. The ICS-
AlwaysOn listening
40212 includes a MEMS microphone element, an impedance
Wearable devices
converter, and an output amplifier.
Still and video cameras
IoT devices
This microphone features a low-power mode, which is active
when the supply voltage is <2.0V. In this mode, the
FEATURES
ICS-40212 operates with 55 A.
SPEC HIGH PERFORMANCE LOW-POWER
Other high-performance specifications include 128 dB SPL
MODE MODE
acoustic overload point in high performance mode, tight
SNR 66 dBA 66 dBA
1 dB sensitivity tolerance.
Current 165 A 55 A
The ICS-40212 is available in a small 3.50 mm 2.65 mm
AOP 128 dB SPL 123 dB SPL
0.98 mm bottom port surface-mount package.
Analog output
FUNCTIONAL BLOCK DIAGRAM
38 dBV sensitivity
1 dB sensitivity tolerance
Extended frequency response from 35 Hz to 20 kHz
84 dB PSRR
OUTPUT
OUTPUT
AMPLIFIER
3.50 2.65 0.98 mm surface-mount package
Compatible with Sn/Pb and Pb-free solder processes
RoHS/WEEE compliant
POWER
ICS-40212 ORDERING INFORMATION
VDD GND
PART TEMP RANGE PACKAGING
ICS-40212 40C to +85C 13 Tape and Reel
EV_ICS-40212-FX
InvenSense Inc.
InvenSense, Inc. reserves the right to change the detail Document Number: DS-000126
1745 Technology Drive, San Jose, CA 95110 U.S.A
specifications as may be required to permit +1(408) 9887339 Revision: 1.1
improvements in the design of its products. Release Date: 07/05/2017
www.invensense.com
ICS-40212
TABLE OF CONTENTS
General Description ............................................................................................................................................. 1
Functional Block Diagram .................................................................................................................................... 1
Applications ......................................................................................................................................................... 1
Features ............................................................................................................................................................... 1
Ordering Information ........................................................................................................................................... 1
1 Specifications ....................................................................................................................................................... 3
1.1 Table 1. Electrical Characteristics .............................................................................................................. 3
2 Absolute Maximum Ratings ................................................................................................................................. 5
2.1 Table 2. Absolute Maximum Ratings......................................................................................................... 5
2.2 ESD Caution ............................................................................................................................................... 5
2.3 Soldering Profile ........................................................................................................................................ 6
2.4 Table 3. Recommended Soldering Profile ................................................................................................. 6
3 Pin Configurations And Function Descriptions .................................................................................................... 7
3.1 Table 4. Pin Function Descriptions ............................................................................................................ 7
4 Typical Performance Characteristics.................................................................................................................... 8
5 Theory Of Operation ............................................................................................................................................ 9
5.1 Low-Power Mode ...................................................................................................................................... 9
6 Applications Information ................................................................................................................................... 10
6.1 Codec Connection ................................................................................................................................... 10
7 Supporting Documents ...................................................................................................................................... 11
7.1 Evaluation Board User Guide .................................................................................................................. 11
7.2 Application Notes .................................................................................................................................... 11
8 PCB Design And Land Pattern Layout ................................................................................................................ 12
8.1 PCB Material And Thickness .................................................................................................................... 12
9 Handling Instructions ......................................................................................................................................... 13
9.1 Pick And Place Equipment ....................................................................................................................... 13
9.2 Reflow Solder .......................................................................................................................................... 13
9.3 Board Wash ............................................................................................................................................. 13
10 Outline Dimensions............................................................................................................................................ 14
10.1 Ordering Guide ........................................................................................................................................ 14
10.2 Revision History....................................................................................................................................... 15
11 Compliance Declaration Disclaimer ................................................................................................................... 16
Page 2 of 16
Document Number: DS-000126
Revision: 1.1