ADMP441

Data Sheet

Rev. A | Page 2 of 16

TABLE OF CONTENTS

Features .............................................................................................. 1

 

Applications....................................................................................... 1

 

Functional Block Diagram .............................................................. 1

 

General Description ......................................................................... 1

 

Revision History ............................................................................... 2

 

Specifications..................................................................................... 3

 

I2S Digital Input/Output.............................................................. 4

 

Timing Diagram ........................................................................... 4

 

Absolute Maximum Ratings............................................................ 5

 

ESD Caution.................................................................................. 5

 

Pin Configuration and Function Descriptions............................. 6

 

Typical Performance Characteristics ............................................. 7

 

Theory of Operation ........................................................................ 8

 

Understanding Sensitivity ............................................................8

 

Power Management ......................................................................8

 

Startup.............................................................................................8

 

I2S Data Interface ..........................................................................8

 

Digital Filter Characteristics ..................................................... 10

 

Applications Information .............................................................. 11

 

Power Supply Decoupling ......................................................... 11

 

Handling Instructions................................................................ 11

 

Supporting Documentation...................................................... 11

 

Layout and Design Recommendations........................................ 12

 

Outline Dimensions ....................................................................... 13

 

Ordering Guide .......................................................................... 13

 

REVISION HISTORY

1/12—Rev. 0 to Rev. A

Changes to Circuit Note Title ....................................................... 11

Updated Outline Dimensions ....................................................... 13

Deleted Figure 18............................................................................ 13

10/11—Revision 0: Initial Version