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AK4492ECB 参数 Datasheet PDF下载

AK4492ECB图片预览
型号: AK4492ECB
PDF下载: 下载PDF文件 查看货源
内容描述: [Quality Oriented 32-Bit 2ch DAC]
分类和应用:
文件页数/大小: 101 页 / 2100 K
品牌: AKM [ ASAHI KASEI MICROSYSTEMS ]
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[AK4492]  
3. Table of Contents  
1.  
2.  
3.  
4.  
5.  
General Description ........................................................................................................................ 1  
Features.......................................................................................................................................... 1  
Table of Contents............................................................................................................................ 3  
Block Diagram................................................................................................................................. 5  
Pin Configurations and Functions................................................................................................... 6  
Pin Configurations.............................................................................................................................. 6  
Pin Functions ..................................................................................................................................... 7  
Handling of Unused Pin ................................................................................................................... 10  
Absolute Maximum Ratings.......................................................................................................... 11  
Recommended Operating Conditions .......................................................................................... 11  
Electrical Characteristics .............................................................................................................. 12  
Analog Characteristics..................................................................................................................... 12  
Sharp Roll-Off Filter Characteristics ................................................................................................ 15  
6.  
7.  
8.  
Slow Roll-Off Filter Characteristics.................................................................................................. 17  
Short Delay Sharp Roll-Off Filter Characteristics............................................................................ 19  
Short Delay Slow Roll-Off Filter Characteristics.............................................................................. 21  
Low-dispersion Short Delay Filter Characteristics........................................................................... 23  
DSD Filter Characteristics................................................................................................................ 25  
DC Characteristics........................................................................................................................... 25  
Switching Characteristics................................................................................................................. 26  
Timing Diagram................................................................................................................................ 31  
Functional Descriptions................................................................................................................. 36  
D/A Conversion Mode (PCM Mode, DSD Mode, EXDP Mode) ...................................................... 38  
D/A Conversion Mode Switching Timing ......................................................................................... 38  
System Clock ................................................................................................................................... 40  
Audio Interface Format .................................................................................................................... 49  
Digital Filter ...................................................................................................................................... 61  
De-emphasis Filter (PCM Mode) ..................................................................................................... 62  
Output Volume (PCM Mode, DSD Mode, EXDF Mode).................................................................. 62  
Gain Adjustment Function (PCM Mode, DSD Mode, EXDF Mode) ................................................ 63  
Zero Detection (PCM Mode, DSD Mode, EXDF Mode) .................................................................. 64  
L/R Channel Output Signal Select, Phase Inversion Function (PCM Mode, DSD Mode, EXDF Mode)  
.............................................................................................................................................................. 65  
DSD Signal Full Scale (FS) Detection ............................................................................................. 66  
Soft Mute Operation (PCM Mode, DSD Mode, EXDF Mode) ......................................................... 68  
LDO.................................................................................................................................................. 69  
Shutdown Switch.............................................................................................................................. 69  
Power Up/Down Function ................................................................................................................ 70  
Power-OFF/Reset Function............................................................................................................. 74  
Synchronize Function (PCM Mode, EXDF Mode)........................................................................... 77  
Register Control Interface................................................................................................................ 79  
Register Map.................................................................................................................................... 83  
9.  
10.  
Recommended External Circuits.................................................................................................. 94  
1. Grounding and Power Supply Decoupling ....................................................................................... 95  
2. Voltage Reference............................................................................................................................ 95  
3. Analog Output................................................................................................................................... 95  
4. Connection with AK8157A................................................................................................................ 97  
5. Connection with AK4205 .................................................................................................................. 98  
11.  
Package ........................................................................................................................................ 99  
Outline Dimensions (96-pin WLCSP) .............................................................................................. 99  
Material & Lead Finish ..................................................................................................................... 99  
016011073-E-00  
2016/12  
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