EVAL-ADAU1761Z Analog Devices Inc, EVAL-ADAU1761Z Datasheet - Page 2

• Manufacturer Part Number: EVAL-ADAU1761Z
• Description: Eval Board For ADAU1761
• Manufacturer: Analog Devices Inc
• Series: SigmaDSP®r

Specifications of EVAL-ADAU1761Z

• Main Purpose: Audio, CODEC
• Embedded: Yes, DSP
• Utilized Ic / Part: ADAU1761
• Primary Attributes: Stereo, 24-Bit, 8 ~ 96 kHz Sampling Rate, GUI Tool
• Secondary Attributes: I²C and GPIO Interfaces, 2 Differential and 1 Stereo Single-Ended Analog Inputs and Outputs
• Silicon Manufacturer: Analog Devices
• Core Architecture: SigmaDSP
• Silicon Core Number: ADAU1761
• Silicon Family Name: SigmaDSP
• Application Sub Type: Audio
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADAU1761
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 3
Specifications..................................................................................... 4
Absolute Maximum Ratings.......................................................... 14
Pin Configuration and Function Descriptions........................... 15
Typical Performance Characteristics ........................................... 17
System Block Diagrams ................................................................. 20
Theory of Operation ...................................................................... 23
Startup, Initialization, and Power ................................................. 24
Clocking and Sampling Rates ....................................................... 26
Record Signal Path.......................................................................... 29
Automatic Level Control (ALC) ................................................... 32
Analog Performance Specifications ........................................... 4
Power Supply Specifications........................................................ 7
Typical Current Consumption.................................................... 8
Typical Power Management Measurements ............................. 9
Digital Filters............................................................................... 10
Digital Input/Output Specifications......................................... 10
Digital Timing Specifications ................................................... 11
Digital Timing Diagrams........................................................... 12
Thermal Resistance .................................................................... 14
ESD Caution................................................................................ 14
Power-Up Sequence ................................................................... 24
Power Reduction Modes............................................................ 24
Digital Power Supply.................................................................. 24
Input/Output Power Supply...................................................... 24
Clock Generation and Management........................................ 24
Core Clock................................................................................... 26
Sampling Rates............................................................................ 27
PLL ............................................................................................... 27
Input Signal Paths....................................................................... 29
Analog-to-Digital Converters................................................... 31
ALC Parameters.......................................................................... 32
Noise Gate Function .................................................................. 33
Rev. C | Page 2 of 92
Playback Signal Path ...................................................................... 35
Control Ports................................................................................... 38
Serial Data Input/Output Ports .................................................... 42
Applications Information .............................................................. 44
DSP Core ......................................................................................... 45
Program RAM, Parameter RAM, and Data RAM ..................... 47
General-Purpose Input/Output.................................................... 50
Control Registers ............................................................................ 51
Outline Dimensions ....................................................................... 92
Output Signal Paths ................................................................... 35
Headphone Output .................................................................... 36
Pop-and-Click Suppression ...................................................... 37
Line Outputs ............................................................................... 37
Burst Mode Writing and Reading ............................................ 38
I
SPI Port ........................................................................................ 41
Power Supply Bypass Capacitors.............................................. 44
GSM Noise Filter ........................................................................ 44
Grounding ................................................................................... 44
Exposed Pad PCB Design ......................................................... 44
Signal Processing........................................................................ 45
Architecture ................................................................................ 45
Program Counter ....................................................................... 45
Features........................................................................................ 45
Startup.......................................................................................... 45
Numeric Formats ....................................................................... 46
Programming.............................................................................. 46
Program RAM ............................................................................ 47
Parameter RAM.......................................................................... 47
Data RAM ................................................................................... 47
Read/Write Data Formats ......................................................... 47
Software Safeload ....................................................................... 48
Software Slew .............................................................................. 49
GPIO Pins Set from the Control Port...................................... 50
Control Register Details ............................................................ 52
Ordering Guide .......................................................................... 92
2
C Port ........................................................................................ 38