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ADAU1450WBCPZ-RL Datasheet(PDF) 2 Page - Analog Devices |
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ADAU1450WBCPZ-RL Datasheet(HTML) 2 Page - Analog Devices |
2 / 180 page 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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