ADMP441

Data Sheet

Rev. B | 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

10/12—Rev. A to Rev. B

Changes to General Description Section ...................................... 1

Changes to Pick-and-Place Equipment Section, Evaluation

Board User Guide Section, Circuit Note Section, and

Application Note Section............................................................... 11

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