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AK4458VN Datasheet, PDF (3/83 Pages) Asahi Kasei Microsystems – 115dB 768kHz 32-bit 8ch Premium DAC | |||
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[AK4458]
3. Table of Contents
1. General Description ............................................................................................................................... - 1 -
2. Features .................................................................................................................................................. - 1 -
3. Table of Contents...................................................................................................................................- 3 -
4. Block Diagram and Functions ............................................................................................................... - 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 ...............................................- 43 -
â Digital Filter (PCM mode) ................................................................................................................. - 44 -
â De-emphasis Filter (PCM mode)........................................................................................................- 44 -
â Output Volume (PCM mode, DSD mode) ......................................................................................... - 45 -
â Out of Band Noise Reduction Filter (PCM mode, DSD mode) ......................................................... - 46 -
â Zero Detection (PCM mode, DSD mode) ..........................................................................................- 52 -
â LR Channel Output Signal Select (PCM mode, DSD mode) ............................................................. - 52 -
â Sound Quality Adjustment (PCM Mode, DSD Mode).......................................................................- 54 -
â DSD Full Scale (FS) Signal Detection Function ................................................................................ - 55 -
â Soft Mute Operation (PCM mode, DSD mode) ................................................................................. - 56 -
â Error Detection ................................................................................................................................... - 57 -
â System Reset ...................................................................................................................................... - 57 -
â Power Down Function ........................................................................................................................ - 58 -
â Power Off and Reset Functions .......................................................................................................... - 59 -
â Synchronization Function (PCM Mode) ............................................................................................ - 62 -
â Parallel Mode......................................................................................................................................- 63 -
â Serial Control Interface ...................................................................................................................... - 63 -
â Function List.......................................................................................................................................- 68 -
â Register Map ...................................................................................................................................... - 69 -
â Register Definitions............................................................................................................................- 70 -
10. Recommended External Circuits...................................................................................................... - 78 -
â Typical Connection Diagram..............................................................................................................- 78 -
014011794-E-00
-3-
2015/01
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