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AK5578 Datasheet, PDF (2/70 Pages) Asahi Kasei Microsystems – 8-Channel Differential 32-bit ADC | |||
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[AK5578]
3. Table of Contents
1. General Description ............................................................................................................................ 1
2. Features .............................................................................................................................................. 1
3. Table of Contents................................................................................................................................ 2
4. Block Diagram..................................................................................................................................... 3
â Block Diagram.................................................................................................................................... 3
5. Pin Configurations and Functions ...................................................................................................... 4
â Pin Configurations ............................................................................................................................. 4
â Pin Functions ..................................................................................................................................... 5
â Handling of Unused Pin ..................................................................................................................... 7
6. Absolute Maximum Ratings ................................................................................................................ 8
7. Recommended Operation Conditions ................................................................................................ 8
8. Analog Characteristics ........................................................................................................................ 9
9. Filter Characteristics ......................................................................................................................... 10
â ADC Filter Characteristics (fs= 48 kHz) .......................................................................................... 10
â ADC Filter Characteristics (fs= 96 kHz) .......................................................................................... 12
â ADC Filter Characteristics (fs= 192 kHz) ........................................................................................ 14
â ADC Filter Characteristics (fs= 384 kHz) ........................................................................................ 16
â ADC Filter Characteristics (fs= 768 kHz) ........................................................................................ 17
10. DC Characteristics ........................................................................................................................ 18
11. Switching Characteristics .............................................................................................................. 19
â Timing Diagram ............................................................................................................................... 26
12. Functional Descriptions................................................................................................................. 31
â Digital Core Power Supply............................................................................................................... 31
â Output Mode .................................................................................................................................... 31
â Master Mode and Slave Mode......................................................................................................... 31
â System Clock ................................................................................................................................... 31
â Audio Interface Format .................................................................................................................... 34
â Channel Summation (PCM mode, DSD mode) .............................................................................. 46
â Optimal Data Placement (PCM mode, DSD mode) ........................................................................ 46
â CH Power Down & Channel Summation Setting (PCM mode, DSD mode) .................................. 47
â Digital HPF (PCM mode) ................................................................................................................. 53
â Overflow Detection (PCM mode, DSD mode) ................................................................................. 53
â LDO .................................................................................................................................................. 54
â Reset ................................................................................................................................................ 54
â Power Up/Down Sequence ............................................................................................................. 55
â Operation Mode Control .................................................................................................................. 58
â Register Control Interface................................................................................................................ 58
â Register Map.................................................................................................................................... 62
â Register Definitions.......................................................................................................................... 62
13. Recommended External Circuits .................................................................................................. 65
14. Package......................................................................................................................................... 68
â Outline Dimensions.......................................................................................................................... 68
â Material & Lead Finish ..................................................................................................................... 68
â Marking ............................................................................................................................................ 68
15. Ordering Guide .............................................................................................................................. 69
16. Revision History ............................................................................................................................ 69
IMPORTANT NOTICE ........................................................................................................................... 70
015016736-E-00
-2-
2015/12
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