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型号： ADAU1461WBCPZ-RL
厂商： Analog Devices Inc
文件页数： 12/88页
文件大小： 0K
描述： IC SIGMADSP 24BIT 96KHZ PLL 32
标准包装： 5,000
系列： SigmaDSP®
类型： 音频处理器
应用： 车载音频
安装类型： 表面贴装
封装/外壳： 32-VFQFN 裸露焊盘，CSP
供应商设备封装： 32-LFCSP-VQ
包装： 带卷 (TR)
ADAU1461
Rev. 0 | Page 2 of 88
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Analog Performance Specifications, TA = 25°C ....................... 3
Analog Performance Specifications, 40°C < TA < +105°C ... 5
Power Supply Specifications........................................................ 7
Digital Filters................................................................................. 8
Digital Input/Output Specifications........................................... 8
Digital Timing Specifications ..................................................... 9
Digital Timing Diagrams........................................................... 10
Absolute Maximum Ratings.......................................................... 12
Thermal Resistance .................................................................... 12
ESD Caution................................................................................ 12
Pin Configuration and Function Descriptions........................... 13
Typical Performance Characteristics ........................................... 15
System Block Diagrams ................................................................. 18
Theory of Operation ...................................................................... 21
Startup, Initialization, and Power ................................................. 22
Power-Up Sequence ................................................................... 22
Power Reduction Modes............................................................ 22
Digital Power Supply.................................................................. 22
Input/Output Power Supply...................................................... 22
Clock Generation and Management........................................ 22
Clocking and Sampling Rates ....................................................... 24
Core Clock................................................................................... 24
Sampling Rates............................................................................ 25
PLL ............................................................................................... 25
Record Signal Path.......................................................................... 27
Input Signal Paths....................................................................... 27
Analog-to-Digital Converters................................................... 29
Automatic Level Control (ALC) ................................................... 30
ALC Parameters.......................................................................... 30
Noise Gate Function .................................................................. 31
Playback Signal Path ...................................................................... 33
Output Signal Paths ................................................................... 33
Headphone Output .................................................................... 34
Pop-and-Click Suppression ...................................................... 35
Line Outputs ............................................................................... 35
Control Ports................................................................................... 36
Burst Mode Writing and Reading ............................................ 36
I2C Port ........................................................................................ 36
SPI Port ........................................................................................ 39
Serial Data Input/Output Ports .................................................... 40
Applications Information .............................................................. 42
Power Supply Bypass Capacitors.............................................. 42
GSM Noise Filter ........................................................................ 42
Grounding ................................................................................... 42
Exposed Pad PCB Design ......................................................... 42
DSP Core ......................................................................................... 43
Signal Processing........................................................................ 43
Architecture ................................................................................ 43
Program Counter ....................................................................... 43
Features........................................................................................ 43
Startup.......................................................................................... 43
Numeric Formats ....................................................................... 44
Programming.............................................................................. 44
Program RAM, Parameter RAM, and Data RAM ..................... 45
Program RAM ............................................................................ 45
Parameter RAM.......................................................................... 45
Data RAM ................................................................................... 45
Read/Write Data Formats ......................................................... 45
Software Safeload ....................................................................... 46
Software Slew .............................................................................. 47
General-Purpose Input/Output.................................................... 48
GPIO Pins Set from the Control Port...................................... 48
Control Registers ............................................................................ 49
Control Register Details ............................................................ 50
Outline Dimensions ....................................................................... 88
Ordering Guide .......................................................................... 88
Automotive Products ................................................................. 88
REVISION HISTORY
6/10—Revision 0: Initial Version
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ADAU1462WBCPZ300RL 功能描述:32BIT SIGMADSP AUDIO 16K/48K 制造商:analog devices inc. 系列:* 包装:带卷（TR） 零件状态:在售 安装类型:表面贴装 封装/外壳:72-VFQFN 裸露焊盘，CSP 供应商器件封装:72-LFCSP（10x10） 标准包装:2,000
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