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