SSM3515 datasheet(2/41 Pages) AD

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SSM3515

Data Sheet

Rev. 0| Page 2 of 41

TABLE OF CONTENTS

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

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

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

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

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

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

Digital Timing Characteristics ................................................... 6

Absolute Maximum Ratings............................................................ 8

Thermal Resistance ...................................................................... 8

ESD Caution.................................................................................. 8

Pin Configuration and Function Descriptions............................. 9

Typical Performance Characteristics ........................................... 10

Theory of Operation ...................................................................... 19

Overview...................................................................................... 19

Power Supplies ............................................................................ 19

Power-Up Sequence ................................................................... 19

Power-Down Operation ............................................................ 19

REG_EN Pin Setup and Control .............................................. 19

ADDR Pin Setup and Control .................................................. 20

Clocking....................................................................................... 20

Digital Audio Serial Interface ....................................................... 21

Stereo (I2S/Left Justified) Operating Mode............................. 21

TDM Operating Mode............................................................... 21

I2C Control .................................................................................. 21

Analog and Digital Gain............................................................ 24

Pop and Click Suppression........................................................ 24

EMI Noise.................................................................................... 24

Output Modulation Description .............................................. 24

Faults and Limiter Status Reporting ........................................ 25

VBAT Sensing............................................................................. 25

Limiter and Battery Tracking Threshold Control.................. 25

Layout .......................................................................................... 28

Bootstrap Capacitors.................................................................. 28

Power Supply Decoupling ......................................................... 28

Power Control Register.............................................................. 30

Gain and Edge Control Register............................................... 30

DAC Control Register................................................................ 31

DAC Volume Control Register................................................. 32

SAI Control 1 Register............................................................... 33

SAI Control 2 Register............................................................... 34

Battery Voltage Output Register............................................... 35

Limiter Control 1 Register ........................................................ 35

Limiter Control 2 Register ........................................................ 36

Limiter Control 3 Register ........................................................ 37

Status Register............................................................................. 37

Fault Control Register................................................................ 38

Typical Application Circuit........................................................... 40

Outline Dimensions....................................................................... 41

Ordering Guide .......................................................................... 41

REVISION HISTORY

6/15—Revision 0: Initial Version

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