ADAU1373BCBZ-R7 datasheet(2/296 Pages) AD

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ADAU1373

Rev. 0 | Page 2 of 296

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

General Description ......................................................................... 1

Functional Block Diagram .............................................................. 1

Revision History ............................................................................... 6

Specifications..................................................................................... 7

Power Supplies .............................................................................. 7

Audio Performance ...................................................................... 7

Power Consumption .................................................................. 15

Digital Filter/SRC Characteristics ............................................ 17

Digital Input/Output Specifications......................................... 17

Digital Timing Specifications ................................................... 18

Absolute Maximum Ratings.......................................................... 21

Thermal Resistance .................................................................... 21

ESD Caution................................................................................ 21

Pin Configuration and Function Descriptions........................... 22

Typical Performance Characteristics ........................................... 25

Detailed Block Diagram ................................................................ 38

Theory of Operation ...................................................................... 39

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

3D Enhancement........................................................................ 66

Digital Automatic Level Control (ALC).................................. 67

Interrupt Request (IRQ)............................................................ 69

Control Ports................................................................................... 70

I2C Port ........................................................................................ 70

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

ADAU1373BCBZ-R7 数据表(PDF) 2 Page - Analog Devices

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