AK4492ECB Datasheet, PDF (3/101 Pages) Asahi Kasei Microsystems – Quality Oriented 32-Bit 2ch DAC

[AK4492]
3. Table of Contents
1. General Description ........................................................................................................................ 1
2. Features .......................................................................................................................................... 1
3. Table of Contents............................................................................................................................ 3
4. Block Diagram................................................................................................................................. 5
5. Pin Configurations and Functions................................................................................................... 6
■ Pin Configurations.............................................................................................................................. 6
■ Pin Functions ..................................................................................................................................... 7
■ Handling of Unused Pin ................................................................................................................... 10
6. Absolute Maximum Ratings .......................................................................................................... 11
7. Recommended Operating Conditions .......................................................................................... 11
8. Electrical Characteristics .............................................................................................................. 12
■ Analog Characteristics ..................................................................................................................... 12
■ Sharp Roll-Off Filter Characteristics ................................................................................................ 15
■ 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
9. 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
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
-3-
2016/12