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AK4452 Datasheet, PDF (3/82 Pages) Asahi Kasei Microsystems – 115dB 768kHz 32-bit 2ch Premium DAC
[AK4452]
3. Table of Contents
1. General Description ................................................................................................................................... 1
2. Features ...................................................................................................................................................... 1
3. Table of Contents....................................................................................................................................... 3
4. Block Diagram and Functions ................................................................................................................... 5
■ Block Diagram.......................................................................................................................................... 5
■ Functions .................................................................................................................................................. 6
5. Pin Configurations and Functions.............................................................................................................. 7
■ Ordering Guide ......................................................................................................................................... 7
■ Pin Configurations.................................................................................................................................... 7
■ Pin Functions ............................................................................................................................................ 8
■ Handling of Unused Pin ........................................................................................................................... 9
6. Absolute Maximum Ratings .................................................................................................................... 10
7. Recommended Operation Conditions ...................................................................................................... 10
8. Electrical Characteristics ......................................................................................................................... 11
■ Analog Characteristics............................................................................................................................ 11
■ Sharp Roll-Off Filter Characteristics...................................................................................................... 13
■ Slow Roll-Off Filter Characteristics....................................................................................................... 14
■ Short Delay Sharp Roll-Off Filter Characteristics.................................................................................. 15
■ Short Delay Slow Roll-Off Filter Characteristics................................................................................... 16
■ DSD Mode Characteristics ..................................................................................................................... 17
■ DC Characteristics.................................................................................................................................. 17
■ Switching Characteristics ....................................................................................................................... 18
■ Timing Diagram ..................................................................................................................................... 22
9. Functional Descriptions ........................................................................................................................... 26
■ D/A Conversion Mode (PCM mode, DSD mode).................................................................................. 26
■ System Clock.......................................................................................................................................... 26
■ Audio Interface Format .......................................................................................................................... 30
■ D/A Conversion Mode (PCM Mode, DSD Mode) Switching Timing ................................................... 42
■ Digital Filter (PCM mode) ..................................................................................................................... 43
■ De-emphasis Filter (PCM mode)............................................................................................................ 43
■ Output Volume (PCM mode, DSD mode) ............................................................................................. 44
■ Out of Band Noise Reduction Filter (PCM mode, DSD mode) ............................................................. 45
■ Zero Detection (PCM mode, DSD mode) .............................................................................................. 51
■ LR Channel Output Signal Select (PCM mode, DSD mode) ................................................................. 51
■ Sound Quality Adjustment (PCM mode, DSD mode)............................................................................ 52
■ DSD Full Scale (FS) Signal Detection Function .................................................................................... 53
■ Soft Mute Operation (PCM mode, DSD mode) ..................................................................................... 54
■ Error Detection ....................................................................................................................................... 55
■ System Reset .......................................................................................................................................... 55
■ Power Down Function ............................................................................................................................ 56
■ Power Off and Reset Functions .............................................................................................................. 57
■ Clock Synchronization and BICK Edge Detection Functions................................................................ 60
■ Parallel Mode.......................................................................................................................................... 61
■ Serial Control Interface .......................................................................................................................... 61
■ Function List........................................................................................................................................... 66
■ Register Map .......................................................................................................................................... 67
■ Register Definitions................................................................................................................................ 68
10. Recommended External Circuits.......................................................................................................... 75
015002211-E-02
-3-
2015/08