adau1373 Analog Devices, Inc., adau1373 Datasheet - Page 2

• Manufacturer Part Number: adau1373
• Description: Low Power Codec With Speaker And Headphone Amplifier Adau1373
• Manufacturer: Analog Devices, Inc.

ADAU1373
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 6
Specifications..................................................................................... 7
Absolute Maximum Ratings.......................................................... 21
Pin Configuration and Function Descriptions........................... 22
Typical Performance Characteristics ........................................... 25
Detailed Block Diagram ................................................................ 38
Theory of Operation ...................................................................... 39
Power Supplies .............................................................................. 7
Audio Performance ...................................................................... 7
Power Consumption .................................................................. 15
Digital Filter/SRC Characteristics ............................................ 17
Digital Input/Output Specifications......................................... 17
Digital Timing Specifications ................................................... 18
Thermal Resistance .................................................................... 21
ESD Caution................................................................................ 21
Analog Inputs.............................................................................. 39
Mixer Block ................................................................................. 41
Analog Outputs........................................................................... 41
Headphone Output..................................................................... 43
Speaker Output ........................................................................... 44
Analog-to-Digital Converter (ADC) ....................................... 45
Digital-to-Analog Converter (DAC) ....................................... 45
Clock Generation and Distribution ......................................... 45
Sampling Rates............................................................................ 49
Setting the PLL and Clock Rates .............................................. 49
Digital Microphone Input Interface......................................... 52
Digital Audio Interface .............................................................. 53
Serial Data Input/Output Formats ........................................... 54
Asynchronous Sample Rate Converter.................................... 55
Mix/Mux...................................................................................... 56
Fixed Function DSP (FDSP) ..................................................... 57
High-Pass Filters (HPFs) ........................................................... 57
Dynamic Range Control (DRC)............................................... 58
Programmable Seven-Band Equalizer..................................... 61
Coefficient Calculations ............................................................ 63
Bass Enhancement...................................................................... 65
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Control Ports................................................................................... 70
Register Map Summary (Default) ................................................ 73
3D Enhancement........................................................................ 66
Digital Automatic Level Control (ALC).................................. 67
Interrupt Request (IRQ)............................................................ 69
I
Register Bit Descriptions........................................................... 77
INPUT_MODE Register ........................................................... 77
AIN1L_CTRL Register .............................................................. 78
AIN1R_CTRL Register.............................................................. 80
AIN2L_CTRL Register .............................................................. 82
AIN2R_CTRL Register.............................................................. 84
AIN3L_CTRL Register .............................................................. 86
AIN3R_CTRL Register.............................................................. 88
AIN4L_CTRL Register .............................................................. 90
AIN4R_CTRL Register.............................................................. 92
LLINE1_OUT Register.............................................................. 94
RLINE1_OUT Register ............................................................. 96
LLINE2_OUT Register.............................................................. 98
RLINE2_OUT Register ........................................................... 100
LCD_OUT (Speaker) Register ............................................... 102
RCD_OUT (Speaker) Register ............................................... 104
LHP_OUT Register.................................................................. 106
RHP_OUT Register ................................................................. 108
ADC_GAIN Register............................................................... 110
LADC_MIXER Register.......................................................... 111
RADC_MIXER Register ......................................................... 112
LLINE1MIX Register............................................................... 113
RLINE1MIX Register .............................................................. 114
LLINE2MIX Register............................................................... 115
RLINE2MIX Register .............................................................. 116
LCDMIX (Speaker Output) Register..................................... 117
RCDMIX (Speaker Output) Register..................................... 118
LHPMIX Register..................................................................... 119
RHPMIX Register .................................................................... 120
EPMIX Register ........................................................................ 121
HP_CTRL Register .................................................................. 122
HP_CTRL2 Register ................................................................ 123
LS_CTRL (Speaker) Register .................................................. 124
EPCONTROL Register............................................................ 125
2
C Port ........................................................................................ 70