SSM2602
TABLE OF CONTENTS
Features .............................................................................................. 1
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
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
REVISION HISTORY
2/08—Revision 0: Initial Version
Rev. 0 | Page 2 of 32
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