SSM2519

Data Sheet

Rev. 0 | Page 2 of 28

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

Performance Specifications......................................................... 3

 

Power Supply Requirements ....................................................... 4

 

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

 

Digital Timing............................................................................... 4

 

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

 

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

 

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

 

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

 

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

 

Theory of Operation ...................................................................... 12

 

Overview...................................................................................... 12

 

Standalone and I2C Operational Mode ................................... 12

 

Master and Bit Clock.................................................................. 12

 

Digital Input Serial Audio Interface......................................... 13

 

Channel Mapping ....................................................................... 13

 

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

 

Power Control ............................................................................. 14

 

Power-On Reset/Voltage Supervisor ....................................... 14

 

Low Power Modes ...................................................................... 14

 

Volume Control .......................................................................... 14

 

Analog Gain ................................................................................ 14

 

Fault Detection and Recovery .................................................. 14

 

Digital Audio Formats ................................................................... 15

 

Stereo Mode ................................................................................ 15

 

TDM, 50% Duty Cycle Mode ................................................... 15

 

TDM, Pulse Mode ...................................................................... 15

 

PCM, Multichannel Mode ........................................................ 16

 

PCM, Mono Mode ..................................................................... 16

 

I2C Configuration Interface .......................................................... 17

 

Overview ..................................................................................... 17

 

Register Summary .......................................................................... 19

 

Register Details ............................................................................... 20

 

Software Reset and Master Software Power-Down Control

Register ........................................................................................ 20

 

Edge Speed, Power, and Clocking Control Register .............. 21

 

Serial Audio Interface and Sample Rate Control Register.... 22

 

Serial Audio Interface Control Register .................................. 23

 

Channel Mapping Control Register......................................... 24

 

Volume Control Register........................................................... 25

 

Gain and Mute Control Register .............................................. 26

 

Fault Control Register................................................................ 27

 

Outline Dimensions ....................................................................... 28

 

Ordering Guide .......................................................................... 28

 

REVISION HISTORY

7/12—Revision 0: Initial Version