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