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