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ICS-41351 PDF预览

ICS-41351

更新时间: 2024-11-15 11:14:51
品牌 Logo 应用领域
东电化 - TDK /
页数 文件大小 规格书
23页 571K
描述
MEMS麦克风(麦克风)

ICS-41351 数据手册

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ICS-41351  
Top Port PDM Digital Output Multi-Mode Microphone  
APPLICATIONS  
GENERAL DESCRIPTION  
Smartphones  
The ICS-41351 is a multi-mode, low noise digital MEMS  
microphone in a small package. The ICS-41351 consists of a  
MEMS microphone element and an impedance converter  
amplifier followed by a fourth-order Σ-Δ modulator. The digital  
interface allows the pulse density modulated (PDM) output of  
two microphones to be time multiplexed on a single data line  
using a single clock.  
Microphone Arrays  
Tablets  
Cameras  
Bluetooth Headsets  
Notebook PCs  
Security and Surveillance  
The ICS-41351 has multiple modes of operation: High  
Performance Mode, Standard, Low Power (AlwaysOn), and  
Sleep. The ICS-41351 has 130 dB SPL AOP in High  
Performance Mode, and 120 dB SPL AOP in Standard and Low-  
Power modes.  
FEATURES  
SPEC  
LOW-POWER  
MODE  
STANDARD  
MODE  
HIGH  
PERFORMANCE  
MODE  
The ICS-41351 is available in a standard 3.5 × 2.65 × 0.98 mm  
surface-mount package. It is reflow solder compatible with  
no sensitivity degradation.  
Sensitivity −26 dB FS ±1 dB −26 dB FS ±1 dB  
-35.5 dB FS ±1 dB  
SNR  
Current  
AOP  
65 dBA  
230 µA  
65 dBA  
600 µA  
63 dBA  
580 µA  
120 dB SPL  
768 kHz  
120 dB SPL  
2.4 MHz  
129.5 dB SPL  
3.072 MHz  
Clock  
3.5 × 2.65 × 0.98 mm surface-mount package  
Extended frequency response from 50 Hz to >20 kHz  
Low power: 230 µA in Low-Power Mode  
Sleep Mode: 12 µA  
High power supply rejection (PSR): −93 dB FS  
Fourth-order Σ-Δ modulator  
Digital pulse density modulation (PDM) output  
Compatible with Sn/Pb and Pb-free solder processes  
RoHS/WEEE compliant  
FUNCTIONAL BLOCK DIAGRAM  
ORDERING INFORMATION  
PART  
ICS-41351  
EV_ICS-41351-FX  
TEMP RANGE  
−40°C to +85°C  
PACKAGING  
13” Tape and Reel  
ICS-41351  
CLK  
PDM  
ADC  
MODULATOR  
DATA  
POWER  
MANAGEMENT  
CHANNEL  
SELECT  
InvenSense Inc.  
1745 Technology Drive, San Jose, CA 95110 U.S.A  
+1(408) 988–7339  
InvenSense, Inc. reserves the right to change the detail  
specifications as may be required to permit  
improvements in the design of its products.  
Document Number: DS-000157  
Revision: 1.4  
Release Date: 5/20/2020  
www.invensense.com  
 
 
 
 
 

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