AK4458 Datasheet, PDF(3/84 Page) Asahi Kasei Microsystems – 115dB 768kHz 32-bit 8ch Premium DAC

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AK4458 Datasheet, PDF (3/84 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-01

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2015/08

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