SSM2603

Data Sheet

Rev. D | Page 2 of 31

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 Clock...................................................................... 11

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

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

Hardware Mute Pin .................................................................... 11

Automatic Level Control (ALC)............................................... 12

Analog Interface ......................................................................... 13

Digital Audio Interface.............................................................. 15

Software Control Interface........................................................ 17

Control Register Sequencing .................................................... 17

Typical Application Circuits ......................................................... 18

Register Map ................................................................................... 19

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

Left-Channel ADC Input Volume, Address 0x00.................. 20

Right-Channel ADC Input Volume, Address 0x01 ............... 21

Left-Channel DAC Volume, Address 0x02............................. 21

Right-Channel DAC Volume, Address 0x03 .......................... 22

Analog Audio Path, Address 0x04 ........................................... 22

Digital Audio Path, Address 0x05............................................ 22

Power Management, Address 0x06.......................................... 23

Digital Audio I/F, Address 0x07 ............................................... 24

Sampling Rate, Address 0x08.................................................... 24

Active, Address 0x09.................................................................. 27

Software Reset, Address 0x0F................................................... 27

ALC Control 1, Address 0x10................................................... 28

ALC Control 2, Address 0x11................................................... 28

Noise Gate, Address 0x12.......................................................... 29

Outline Dimensions....................................................................... 30

Ordering Guide .......................................................................... 30

REVISION HISTORY

7/2018—Rev. C to Rev. D

Change to Features Section ............................................................. 1

Changes to Figure 6.......................................................................... 8

Updated Outline Dimensions....................................................... 30

Changes to Ordering Guide .......................................................... 30

6/2013—Rev. B to Rev. C

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

4/2012—Rev. A to Rev. B

Changes to Figure 1.......................................................................... 1

Changes to Stereo Line and Monaural Microphone Inputs

Section and Figure 20..................................................................... 13

Changes to Table 10........................................................................ 19

Changes to Table 19 and Table 20 ................................................ 23

Updated Outline Dimensions....................................................... 31

Changes to Ordering Guide .......................................................... 31

8/2009—Rev. 0 to Rev. A

Changes to General Description Section and Figure 1 ................1

Changes to Specifications Section, Table 1 ....................................3

Changes to Master Clock Tolerance, Frequency Range

Parameter, Table 2 .............................................................................4

Added Endnote 1, Table 2 ................................................................4

Changes to Table 6.............................................................................6

Changes to Figure 6 and Table 9......................................................8

Changes to Digital Core Clock Section....................................... 11

Changes to Digital Audio Data Sampling Rate Section ............ 15

Changes to Figure 31...................................................................... 18

Added Control Register Sequencing Section.............................. 17

Change to Table 10 ......................................................................... 19

Changes to Table 15, Table 16, Table 17, and Table 18.............. 22

Changes to Table 37 ....................................................................... 29

Added Exposed Pad Notation to Outline Dimensions ............. 31

2/2008—Revision 0: Initial Version