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AK5554 Datasheet, PDF (2/68 Pages) Asahi Kasei Microsystems – 4-Channel Differential 32-bit ADC | |||
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[AK5554]
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 Mode (PCM Mode, DSD Mode) .............................................................. 46
â CH Power Down & Channel Summation (PCM mode, DSD mode) ............................................... 46
â Data Slot Configuration.................................................................................................................... 50
â Digital Filter Setting (PCM mode) .................................................................................................... 51
â Digital HPF (PCM mode) ................................................................................................................. 51
â Overflow Detection (PCM mode, DSD mode) ................................................................................. 51
â LDO .................................................................................................................................................. 52
â Reset ................................................................................................................................................ 52
â Power Down Function/ Sequence ................................................................................................... 53
â Operation Mode Control .................................................................................................................. 56
â Register Control Interface................................................................................................................ 56
â Register Map.................................................................................................................................... 60
â Register Definitions.......................................................................................................................... 60
13. Recommended External Circuits .................................................................................................. 63
14. Package......................................................................................................................................... 66
â Outline Dimensions.......................................................................................................................... 66
â Material & Lead Finish ..................................................................................................................... 66
â Marking ............................................................................................................................................ 66
15. Ordering Guide .............................................................................................................................. 67
16. Revision History ............................................................................................................................ 67
IMPORTANT NOTICE ........................................................................................................................... 68
015099864-E-00
-2-
2016/03
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