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AK4456 Datasheet, PDF (3/84 Pages) Asahi Kasei Microsystems – 115dB 768kHz Advanced 32-bit DAC
[AK4456]
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 ........................................................................................................................... 26
■ System Clock.......................................................................................................................................... 26
■ Audio Interface Format .......................................................................................................................... 30
■ D/A Conversion Mode Switching Timing.............................................................................................. 43
■ Digital Filter (PCM mode) ..................................................................................................................... 44
■ De-emphasis Filter (PCM mode)............................................................................................................ 44
■ Output Volume (PCM mode, DSD mode) ............................................................................................. 45
■ Out of Band Noise Reduction Filter (PCM mode, DSD mode) ............................................................. 46
■ LR Channel Output Signal Select (PCM mode, DSD mode) ................................................................. 52
■ Sound Quality Adjustment (PCM mode, DSD mode)............................................................................ 54
■ DSD Full Scale (FS) Signal Detection Function .................................................................................... 55
■ Soft Mute Operation (PCM mode, DSD mode) ..................................................................................... 56
■ Error Detection ....................................................................................................................................... 57
■ System Reset .......................................................................................................................................... 57
■ Power Down Function ............................................................................................................................ 58
■ Power Off and Reset Functions .............................................................................................................. 59
■ Synchronization Function (PCM Mode) ................................................................................................ 62
■ Parallel Mode.......................................................................................................................................... 63
■ Serial Control Interface .......................................................................................................................... 63
■ Function List........................................................................................................................................... 68
■ Register Map .......................................................................................................................................... 69
■ Register Definitions................................................................................................................................ 70
10. Recommended External Circuits.......................................................................................................... 78
■ Typical Connection Diagram.................................................................................................................. 78
015006886-E-00
-3-
2015/06