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ADAU1450WBCPZ-RL Datasheet(PDF) 2 Page - Analog Devices

Part # ADAU1450WBCPZ-RL
Description  SigmaDSP Digital Audio Processor
Download  180 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADAU1450WBCPZ-RL Datasheet(HTML) 2 Page - Analog Devices

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ADAU1452/ADAU1451/ADAU1450
Data Sheet
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram—ADAU1452/ADAU1451 ................. 1
Revision History ............................................................................... 3
General Description ......................................................................... 4
Differences Between the ADAU1452, ADAU1451, and
ADAU1450..................................................................................... 4
Functional Block Diagram—ADAU1450 ...................................... 5
Specifications..................................................................................... 6
Electrical Characteristics............................................................. 8
Timing Specifications .................................................................. 9
Absolute Maximum Ratings.......................................................... 17
Thermal Characteristics ............................................................ 17
Maximum Power Dissipation ................................................... 17
ESD Caution................................................................................ 17
Pin Configuration and Function Descriptions........................... 18
Theory of Operation ...................................................................... 22
System Block Diagram............................................................... 22
Overview...................................................................................... 22
Initialization ................................................................................ 24
Master Clock, PLL, and Clock Generators.............................. 27
Power Supplies, Voltage Regulator, and Hardware Reset...... 32
Temperature Sensor Diode........................................................ 33
Slave Control Ports..................................................................... 34
Master Control Ports.................................................................. 40
Self Boot....................................................................................... 41
Audio Signal Routing................................................................. 43
Serial Data Input/Output........................................................... 53
Flexible TDM Interface.............................................................. 64
Asynchronous Sample Rate Converters .................................. 69
S/PDIF Interface ......................................................................... 70
Digital PDM Microphone Interface......................................... 72
Multipurpose Pins...................................................................... 73
Auxiliary ADC............................................................................ 76
SigmaDSP Core .......................................................................... 76
Software Features ....................................................................... 80
Pin Drive Strength, Slew Rate, and Pull Configuration........ 81
Global RAM and Control Register Map...................................... 83
Random Access Memory .......................................................... 83
Control Registers........................................................................ 84
Control Register Details ................................................................ 94
PLL Configuration Registers .................................................... 94
Clock Generator Registers ........................................................ 98
Power Reduction Registers ..................................................... 102
Audio Signal Routing Registers.............................................. 105
Serial Port Configuration Registers....................................... 111
Flexible TDM Interface Registers........................................... 114
DSP Core Control Registers.................................................... 118
Debug and Reliability Registers.............................................. 123
DSP Program Execution Registers......................................... 131
Multipurpose Pin Configuration Registers .......................... 135
ASRC Status and Control Registers ....................................... 140
Auxiliary ADC Registers......................................................... 143
S/PDIF Interface Registers ...................................................... 144
Hardware Interfacing Registers.............................................. 157
Soft Reset Register.................................................................... 175
Applications Information ............................................................ 176
PCB Design Considerations ................................................... 176
Typical Applications Block Diagram ..................................... 177
Example PCB Layout ............................................................... 178
PCB Manufacturing Guidelines ............................................. 179
Outline Dimensions..................................................................... 180
Ordering Guide ........................................................................ 180
Automotive Products............................................................... 180
Rev. C | Page 2 of 180


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