SSM2518CPZ-R7 datasheet(2/48 Pages) AD

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SSM2518

Data Sheet

Rev. A | Page 2 of 48

TABLE OF CONTENTS

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

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

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

Revision History ............................................................................... 3

Functional Block Diagram .............................................................. 4

Specifications..................................................................................... 5

Performance Specifications......................................................... 5

Power Supply Requirements ....................................................... 6

Digital Input/Output.................................................................... 6

Digital Interpolation Filter .......................................................... 6

Digital Timing............................................................................... 7

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

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

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

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

Typical Performance Characteristics ........................................... 11

Theory of Operation ...................................................................... 14

Power Supplies ............................................................................ 14

Power-Down Modes .................................................................. 14

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

Master and Bit Clock.................................................................. 14

Typical Application Circuit ........................................................... 16

Digital Audio Interface .................................................................. 17

Channel Mapping ....................................................................... 17

Sample Rate Detection............................................................... 17

Standalone Mode........................................................................ 17

Low Power Modes ...................................................................... 17

Dynamic Range Control............................................................ 17

Mute Options .............................................................................. 18

Volume Control .......................................................................... 18

De-emphasis Filter ..................................................................... 18

Analog Gain ................................................................................ 18

Fault Detection and Recovery................................................... 19

Digital Audio Formats ................................................................... 20

Stereo Mode ................................................................................ 20

TDM, 50% Duty Cycle Mode ................................................... 20

TDM, Pulse Mode ...................................................................... 20

PCM, Multichannel Mode ........................................................ 21

PCM Mono Mode ...................................................................... 21

I2C Configuration Interface .......................................................... 22

Overview ..................................................................................... 22

Software Reset and Master Software Power-down Control

Edge Speed and Clocking Control Register............................ 27

Serial Audio Interface and Sample Rate Control Register.... 28

Serial Audio Interface Control Register .................................. 29

Channel Mapping Control Register......................................... 30

Left Channel Volume Control Register................................... 31

Right Channel Volume Control Register ................................ 32

Volume and Mute Control Register ......................................... 33

Fault Control 1 Register............................................................. 34

Power and Fault Control Register ............................................ 35

DRC Control 1 Register............................................................. 36

DRC Control 2 Register............................................................. 37

DRC Control 3 Register............................................................. 38

DRC Control 4 Register............................................................. 40

DRC Control 5 Register............................................................. 41

DRC Control 6 Register............................................................. 42

DRC Control 7 Register............................................................. 44

DRC Control 8 Register............................................................. 45

DRC Control 9 Register............................................................. 46

Packaging and Ordering Information ......................................... 47

Outline Dimensions................................................................... 47

Ordering Guide .......................................................................... 48

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