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AK4452VN Datasheet, PDF (3/91 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....................................................................................................... 15
■ Short Delay Sharp Roll-Off Filter Characteristics.................................................................................. 17
■ Short Delay Slow Roll-Off Filter Characteristics................................................................................... 19
■ DSD Mode Characteristics ..................................................................................................................... 21
■ DC Characteristics.................................................................................................................................. 21
■ Switching Characteristics ....................................................................................................................... 22
■ Timing Diagram ..................................................................................................................................... 26
9. Functional Descriptions ........................................................................................................................... 30
■ D/A Conversion Mode ........................................................................................................................... 30
■ System Clock.......................................................................................................................................... 30
■ Audio Interface Format .......................................................................................................................... 34
■ D/A Conversion Mode Switching Timing.............................................................................................. 46
■ Digital Filter (PCM mode) ..................................................................................................................... 47
■ De-emphasis Filter (PCM mode)............................................................................................................ 47
■ Output Volume (PCM mode, DSD mode) ............................................................................................. 48
■ Out of Band Noise Reduction Filter (PCM mode, DSD mode) ............................................................. 49
■ Zero Detection (PCM mode, DSD mode) .............................................................................................. 57
■ Mono Output (PCM mode, DSD mode)................................................................................................. 57
■ Sound Quality Adjustment (PCM mode, DSD mode)............................................................................ 58
■ DSD Full Scale (FS) Signal Detection Function .................................................................................... 59
■ Soft Mute Operation (PCM mode, DSD mode) ..................................................................................... 60
■ LDO Shutdown Switch........................................................................................................................... 61
■ Error Detection ....................................................................................................................................... 62
■ System Reset .......................................................................................................................................... 62
■ Power Down Function ............................................................................................................................ 63
■ Power Off and Reset Functions .......................................................................................................... - 64 -
■ Clock Synchronization and BICK Edge Detection Functions............................................................- 67 -
■ Parallel Mode......................................................................................................................................- 70 -
■ Serial Control Interface ...................................................................................................................... - 70 -
■ Register Map ...................................................................................................................................... - 75 -
■ Register Definitions............................................................................................................................- 77 -
10. Recommended External Circuits...................................................................................................... - 85 -
Rev. 0.1
2014/04
-3-