ADAU1445YSVZ-3A-RL Analog Devices Inc, ADAU1445YSVZ-3A-RL Datasheet - Page 2

• Manufacturer Part Number: ADAU1445YSVZ-3A-RL
• Description: 175MHZ SigmaDSP,2x8 SRCs
• Manufacturer: Analog Devices Inc
• Series: SigmaDSP®r
• Type: Audio Processorr

Specifications of ADAU1445YSVZ-3A-RL

• Applications: Automotive Audio
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP Exposed Pad, 100-eTQFP, 100-HTQFP, 100-VQFP
• Format: Fixed Point
• Program Memory Size: Not RequiredKB
• Operating Supply Voltage (typ): 1.8/3.3V
• Operating Temp Range: -40C to 105C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADAU1445/ADAU1446
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
General Description ......................................................................... 3
Specifications ..................................................................................... 4
Absolute Maximum Ratings ............................................................ 9
Pin Configuration and Function Descriptions ........................... 10
Theory of Operation ...................................................................... 15
REVISION HISTORY
4/09—Rev. 0 to Rev. A
Added ADAU1446 ............................................................. Universal
Added LQFP ........................................................................ Universal
Added Minimum Digital Current (DVDD) of ADAU1446,
Changes to Table 4 ............................................................................ 9
Changes to Overview Section ....................................................... 16
Change to Table 9 ........................................................................... 21
Changes to Voltage Regulator Section ......................................... 23
Changes to EEPROM Format Section ......................................... 28
Changes to Serial Clock Domains Section .................................. 32
Digital Timing Specifications ..................................................... 6
Thermal Resistance ...................................................................... 9
ESD Caution .................................................................................. 9
System Block Diagram ............................................................... 15
Overview ...................................................................................... 16
Initialization ................................................................................ 18
Master Clock and PLL ............................................................... 19
Voltage Regulator ....................................................................... 23
SRC Group Delay ....................................................................... 23
Control Port ................................................................................ 24
Serial Data Input/Output........................................................... 29
Serial Input Ports ........................................................................ 35
Serial Input Port Modes and Settings ...................................... 37
Serial Output Ports ..................................................................... 39
Serial Output Port Modes and Settings ................................... 40
Flexible Audio Routing Matrix (FARM) ................................. 44
Flexible Audio Routing Matrix Modes and Settings.............. 50
Asynchronous Sample Rate Converters .................................. 56
Maximum Digital Current (DVDD) of ADAU1446, and
AVDD, DVDD, PVDD During Operation of ADAU1446
Parameters, Table 1 ....................................................................... 5
Rev. A | Page 2 of 92
Interfacing with Other Devices .................................................... 69
Flexible TDM Modes ..................................................................... 74
Software Features ............................................................................ 79
Global RAM and Register Map .................................................... 80
Applications Information .............................................................. 85
Outline Dimensions ....................................................................... 90
Changes to Flexible Audio Routing Matrix—Input Side Section;
Changes to Stereo ASRC Routing Overview Section ................ 47
Changes to ASRC Input Select Pairs[7:0] Registers (Address 0xE080
Changes to ASRC Output Rate Bits (Bits[5:0]) Section ............ 53
Changes to Serial Output Data Selector Bits
Changes to ASRC Modes and Settings Section .......................... 56
Added Table 43; Renumbered Sequentially ................................ 61
Updated Outline Dimensions ....................................................... 90
Changes to Ordering Guide .......................................................... 90
1/09—Revision 0: Initial Version
ASRC Modes and Settings ........................................................ 56
DSP Core ..................................................................................... 58
DSP Core Modes and Settings .................................................. 59
Reliability Features ..................................................................... 60
RAMs ........................................................................................... 62
S/PDIF Receiver and Transmitter ............................................ 63
S/PDIF Modes and Settings ...................................................... 64
Multipurpose Pins ...................................................................... 67
Multipurpose Pins Modes and Settings................................... 67
Auxiliary ADC ............................................................................ 68
Auxiliary ADC Modes and Settings ........................................ 68
Drive Strength Modes and Settings ......................................... 69
Serial Input Flexible TDM Interface Modes and Settings..... 74
Serial Output Flexible TDM Interface Modes and Settings ........ 76
Software Safeload ....................................................................... 79
Software Slew .............................................................................. 79
Overview of Register Address Map ......................................... 80
Details of Register Address Map .............................................. 80
Layout Recommendations ........................................................ 85
Typical Application Schematics ................................................ 87
Ordering Guide .......................................................................... 90
Added Figure 40; Renumbered Sequentially .......................... 46
to Address 0xE087) Section ...................................................... 51
(Bits[5:0]) Section ....................................................................... 55