SSM2602

Rev. 0 | Page 2 of 32

TABLE OF CONTENTS

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

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

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

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

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

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

Digital Filter Characteristics ....................................................... 4

Timing Characteristics ................................................................ 5

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

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

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

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

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

Converter Filter Response......................................................... 10

Digital De-Emphasis .................................................................. 11

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

Digital Core ................................................................................. 12

ADC and DAC............................................................................ 12

ADC High Pass and DAC De-Emphasis Filters ..................... 12

Automatic Level Control (ALC)............................................... 13

Analog Interface ......................................................................... 14

Digital Audio Interface .............................................................. 16

Software Control Interface........................................................ 18

Typical Application Circuits ......................................................... 19

Register Map ................................................................................... 20

Register Map Details ...................................................................... 21

Left-Channel ADC Input Volume, Address 0x00.................. 21

Right-Channel ADC Input Volume, Address 0x01 ............... 22

Left-Channel DAC Volume, Address 0x02............................. 23

Right-Channel DAC Volume, Address 0x03 .......................... 23

Analog Audio Path, Address 0x04 ........................................... 24

Digital Audio Path Control, Address 0x05 ............................. 24

Power Management, Address 0x06.......................................... 25

Digital Audio I/F, Address 0x07 ............................................... 26

Sampling Rate, Address 0x08.................................................... 26

Active, Address 0x09.................................................................. 29

Reset, Address 0x0F ................................................................... 29

ALC Control 1, Address 0x10................................................... 30

ALC Control 2, Address 0x11................................................... 30

Noise Gate, Address 0x12.......................................................... 31

Outline Dimensions ....................................................................... 32

Ordering Guide .......................................................................... 32

REVISION HISTORY

2/08—Revision 0: Initial Version