Datasheet

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