AK4137EQ Datasheet, PDF (2/65 Pages) Asahi Kasei Microsystems – 32bit SRC with PCM/DSD conversion

[AK4137]
3. Table of Contents
1. General Description ............................................................................................................................ 1
2. Features .............................................................................................................................................. 1
3. Table of Contents ................................................................................................................................ 2
4. Block Diagram ..................................................................................................................................... 4
5. Pin Configurations and Functions ....................................................................................................... 4
■ Pin Functions..................................................................................................................................... 5
6. Absolute Maximum Ratings ................................................................................................................ 9
7. Recommended Operation Conditions................................................................................................. 9
8. SRC Characteristics.......................................................................................................................... 10
■ AK4137............................................................................................................................................ 10
9. Power Consumptions.........................................................................................................................11
■ Internal LDO Mode...........................................................................................................................11
■ DV18 External Supply Mode ............................................................................................................11
10. Filter Characteristics...................................................................................................................... 12
■ Sharp Roll-Off Filter Characteristics ............................................................................................... 12
■ Slow Roll-Off Filter Characteristics ................................................................................................. 13
■ Short Delay Sharp Roll-Off Filter Characteristics ........................................................................... 14
■ Short Delay Slow Roll-Off Filter Characteristics ............................................................................. 15
11. DSD Mode Characteristics ............................................................................................................ 16
12. DC Characteristics......................................................................................................................... 17
13. Switching Characteristics .............................................................................................................. 17
■ Timing Diagrams ............................................................................................................................. 23
14. Functional Descriptions ................................................................................................................. 31
■ SRC Bypass Mode .......................................................................................................................... 31
■ Slave Mode ..................................................................................................................................... 32
■ Master Mode ................................................................................................................................... 33
■ System Clock and Audio Interface Format for Input PORT ............................................................ 34
■ System Clock for Output PORT ...................................................................................................... 37
■ Audio Interface Format for Output PORT ....................................................................................... 39
■ Soft Mute Function .......................................................................................................................... 42
■ Dither Circuit.................................................................................................................................... 44
■ De-emphasis Filter .......................................................................................................................... 44
■ Regulator ......................................................................................................................................... 44
■ DSD Mode ....................................................................................................................................... 45
■ System Reset .................................................................................................................................. 46
■ Internal Reset Function for Clock Change ...................................................................................... 47
■ Internal Status Pin ........................................................................................................................... 49
■ Serial Control Interface ................................................................................................................... 50
■ Register Map ................................................................................................................................... 54
■ Grounding and Power Supply Decoupling...................................................................................... 60
15. Jitter Tolerance .............................................................................................................................. 61
16. Recommended External Circuit .................................................................................................... 62
17. Package......................................................................................................................................... 63
■ Outline Dimensions ......................................................................................................................... 63
■ Material & Lead Finish .................................................................................................................... 63
■ Marking............................................................................................................................................ 64
IMPORTANT NOTICE ........................................................................................................................ 65
Rev. 0.2
2014/06
-2-