INMP522
TABLE OF CONTENTS
General Description ............................................................................................................................................................................ 1
Applications ........................................................................................................................................................................................ 1
Features .............................................................................................................................................................................................. 1
Functional Block Diagram ................................................................................................................................................................... 1
Ordering Information .......................................................................................................................................................................... 1
Table of Contents ....................................................................................................................................................................................... 2
Specifications ............................................................................................................................................................................................. 4
Table 1. Electrical Characteristics ....................................................................................................................................................... 4
Table 2. Timing Characteristics ........................................................................................................................................................... 5
Timing Diagram ................................................................................................................................................................................... 5
Absolute Maximum Ratings ....................................................................................................................................................................... 6
Table 3. Absolute Maximum Ratings .................................................................................................................................................. 6
ESD Caution ........................................................................................................................................................................................ 6
Soldering Profile.................................................................................................................................................................................. 7
Table 4. Recommended Soldering Profile ........................................................................................................................................... 7
Pin Configurations And Function Descriptions .......................................................................................................................................... 8
Table 5. Pin Function Descriptions ...................................................................................................................................................... 8
Typical Performance Characteristics .......................................................................................................................................................... 9
Theory Of Operation ................................................................................................................................................................................ 10
PDM Data Format ............................................................................................................................................................................. 10
Table 6. INMP522 Channel Setting ................................................................................................................................................... 10
PDM Microphone Sensitivity ............................................................................................................................................................ 11
Connecting PDM Microphones ......................................................................................................................................................... 12
Sleep Mode ....................................................................................................................................................................................... 14
Start-Up Time .................................................................................................................................................................................... 14
Supporting Documents ............................................................................................................................................................................ 15
Evaluation Board User Guide ............................................................................................................................................................ 15
application note (product specific) ................................................................................................................................................... 15
Application Notes (general) .............................................................................................................................................................. 15
PCB Design And Land Pattern Layout ...................................................................................................................................................... 16
Alternative PCB Land Patterns .......................................................................................................................................................... 17
PCB Material And Thickness ............................................................................................................................................................. 17
Handling Instructions ............................................................................................................................................................................... 18
Pick And Place Equipment ................................................................................................................................................................ 18
Reflow Solder .................................................................................................................................................................................... 18
Board Wash....................................................................................................................................................................................... 18
Outline Dimensions .................................................................................................................................................................................. 18
Page 2 of 21
Document Number: DS-INMP522-00
Revision: 1.1
Rev Date: 02/06/2014
