SSM2604

Data Sheet

Rev. A | Page 2 of 28

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............................................................ 7

Thermal Resistance ...................................................................... 7

ESD Caution.................................................................................. 7

Pin Configuration and Function Descriptions............................. 8

Typical Performance Characteristics ............................................. 9

Converter Filter Response........................................................... 9

Digital De-Emphasis.................................................................. 10

Theory of Operation ...................................................................... 11

Digital Core ................................................................................. 11

ADC and DAC............................................................................ 11

ADC High-Pass and DAC De-Emphasis Filters .................... 11

Analog Interface ......................................................................... 12

Digital Audio Interface.............................................................. 12

Software Control Interface........................................................ 15

Control Register Sequencing .................................................... 15

Typical Application Circuits ......................................................... 16

Register Map ................................................................................... 17

Register Map Details ...................................................................... 18

Left-Channel ADC Input Volume, Address 0x00.................. 18

Right-Channel ADC Input Volume, Address 0x01 ............... 19

Analog Audio Path, Address 0x04 ........................................... 20

Digital Audio Path, Address 0x05............................................ 20

Power Management, Address 0x06.......................................... 21

Digital Audio I/F, Address 0x07 ............................................... 22

Sampling Rate, Address 0x08.................................................... 22

Active, Address 0x09.................................................................. 25

Software Reset, Address 0x0F................................................... 25

Outline Dimensions....................................................................... 26

Ordering Guide .......................................................................... 26

REVISION HISTORY

6/13—Rev. 0 to Rev. A

Changes to Table 8.............................................................................7

Added Control Register Sequencing Section...............................15

Updated Outline Dimensions........................................................26

7/08—Revision 0: Initial Version