ICS-40730

ICS-40730 Ultra-Low Noise Microphone with Differential Output APPLICATIONS GENERAL DESCRIPTION Smart Home Devices The ICS-40730 is an ultra-low noise, differential analog Smartphones output, bottom-ported MEMS microphone. The ICS-40730 Teleconferencing Systems includes a MEMS microphone element, an impedance Security and Surveillance converter, a differential output amplifier and an enhanced RF Microphone Arrays package. The ICS-40730s 74 dB SNR and 2 dB sensitivity Voice Control and Activation tolerance make it an excellent choice for microphone arrays and far field voice control applications. FEATURES The ICS-40730 has a linear response up to 124 dB SPL with a Ultra-High 74 dBA SNR differential output sensitivity specification of 32 dBV. It can 32 dBV Differential Sensitivity, 38 dBV Single- be used in a single-ended mode with 38 dBV sensitivity and Ended Sensitivity the same high SNR. 2 dB Sensitivity Tolerance 4.72 3.76 3.5 mm Surface-Mount Package The ICS-40730 is available in a 4.72 mm 3.76 mm 3.50 mm Non-Inverted Signal Output surface-mount package. Extended Frequency Response from 25 Hz to 20 kHz Enhanced RF Performance 285 A Current Consumption 124 dB SPL Acoustic Overload Point 77 dBV PSR Compatible with Sn/Pb and Pb-Free Solder Processes RoHS/WEEE Compliant FUNCTIONAL BLOCK DIAGRAM OUTPUT+ OUTPUT AMPLIFIER OU T P U T POWER ICS-40730 VDD GND InvenSense Inc. This document contains information on a preproduction 1745 Technology Drive, San Jose, CA 95110 U.S.A Document Number: DS-000139 product. Specifications and information herein are Revision: 0.1 +1(408) 9887339 subject to change without notice. Rev Date: 5/30/16 www.invensense.com ICS-40730 TABLE OF CONTENTS General Description ..................................................................................................................................................................... 1 Applications ................................................................................................................................................................................. 1 Features ....................................................................................................................................................................................... 1 Functional Block Diagram ............................................................................................................................................................ 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 Theory Of Operation ............................................................................................................................................................................... 8 Balanced Output .......................................................................................................................................................................... 8 Single-Ended Operation ............................................................................................................................................................... 8 Applications Information ........................................................................................................................................................................ 9 Codec Connection ........................................................................................................................................................................ 9 Supporting Documents ......................................................................................................................................................................... 10 Evaluation Board User Guide ..................................................................................................................................................... 10 Application Notes ...................................................................................................................................................................... 10 PCB Design And Land Pattern Layout ................................................................................................................................................... 11 PCB Material And Thickness ...................................................................................................................................................... 11 Handling Instructions ............................................................................................................................................................................ 12 Pick And Place Equipment ......................................................................................................................................................... 12 Reflow Solder ............................................................................................................................................................................. 12 Board Wash................................................................................................................................................................................ 12 Outline Dimensions ............................................................................................................................................................................... 13 Ordering Guide .......................................................................................................................................................................... 13 Revision History ......................................................................................................................................................................... 14 Compliance Declaration Disclaimer ...................................................................................................................................................... 15 Page 2 of 15 Document Number: DS-000139 Revision: 0.1