SSM2517

Data Sheet

Rev. B | Page 2 of 16

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

Digital Input Specifications......................................................... 4

 

PDM Interface Digital Timing Specifications .......................... 5

 

Absolute Maximum Ratings............................................................ 6

 

Thermal Resistance ...................................................................... 6

 

ESD Caution.................................................................................. 6

 

Pin Configuration and Function Descriptions............................. 7

 

Typical Performance Characteristics ............................................. 8

 

Theory of Operation ...................................................................... 13

 

Master Clock ............................................................................... 13

 

Power Supplies ............................................................................ 13

 

Power Control............................................................................. 13

 

Power-On Reset/Voltage Supervisor ....................................... 13

 

System Gain/Input Frequency .................................................. 13

 

PDM Pattern Control ................................................................ 14

 

EMI Noise.................................................................................... 14

 

Output Modulation Description .............................................. 14

 

Applications Information .............................................................. 15

 

Layout .......................................................................................... 15

 

Power Supply Decoupling ......................................................... 15

 

Outline Dimensions ....................................................................... 16

 

Ordering Guide .......................................................................... 16

 

REVISION HISTORY

9/11—Rev. A to Rev. B

Changes to Table 3, Endnote 1, and Figure 2................................ 5

5/11—Rev. 0 to Rev. A

Changes to Table 6, LRSEL Pin Description ................................. 7

10/10—Revision 0: Initial Version