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AK4558EN Datasheet, PDF (3/94 Pages) Asahi Kasei Microsystems – 108dB 216kHz 32Bit CODEC with PLL
[AK4558]
3. Table of Contents
1. General Description ............................................................................................................................ 1
2. Features .............................................................................................................................................. 1
3. Table of Contents ................................................................................................................................ 3
4. Block Diagram and Functions ............................................................................................................. 5
■ Block Diagram ................................................................................................................................... 5
■ Compatibility with the AK4556........................................................................................................... 6
5. Pin Configurations and Functions ....................................................................................................... 7
■ Ordering Guide .................................................................................................................................. 7
■ Pin Layout .......................................................................................................................................... 7
■ Pin Functions ..................................................................................................................................... 8
■ Handling of Unused Pins ................................................................................................................... 9
6. Absolute Maximum Ratings .............................................................................................................. 10
7. Recommended Operating Conditions .............................................................................................. 10
8. Analog Characteristics ...................................................................................................................... 11
9. ADC Filter Characteristics (fs=48kHz) .............................................................................................. 13
10. ADC Filter Characteristics (fs=96kHz) .......................................................................................... 14
11. ADC Filter Characteristics (fs=192kHz) ........................................................................................ 15
12. DAC Filter Characteristics (fs=48kHz) .......................................................................................... 16
13. DAC Filter Characteristics (fs=96kHz) .......................................................................................... 17
14. DAC Filter Characteristics (fs=192kHz) ........................................................................................ 18
15. DC Characteristics ......................................................................................................................... 19
16. Switching Characteristics .............................................................................................................. 20
■ Timing Diagram ............................................................................................................................... 29
17. Functional Descriptions ................................................................................................................. 34
■ Parallel / Serial Mode ...................................................................................................................... 34
■ Master Mode/Slave Mode................................................................................................................ 34
■ System Clock ................................................................................................................................... 35
■ Parallel Mode (PS pin= “H”) ............................................................................................................ 36
■ Serial Mode (PS pin= “L”) ................................................................................................................ 38
■ PLL Mode (PMPLL bit = “1”)............................................................................................................ 41
■ PLL Unlock State ............................................................................................................................. 46
■ PLL Master Mode (PMPLL bit = “1”, CKS3-2 pins = “HH”) ............................................................. 46
■ PLL Slave Mode (PMPLL bit = “1”, CKS3-2 pins = “LL” or “LH” or “HL”)........................................ 47
■ De-emphasis Filter .......................................................................................................................... 48
■ Digital HPF....................................................................................................................................... 48
■ Audio Interface Format .................................................................................................................... 49
■ TDM Cascade Mode........................................................................................................................ 52
■ ADC/DAC Digital Filter .................................................................................................................... 61
■ Mono/Stereo Switching.................................................................................................................... 61
■ Digital Attenuator ............................................................................................................................. 62
■ Soft Mute Operation......................................................................................................................... 63
■ Out of Band Noise Reduction Filter................................................................................................. 64
■ DAC Output (LOUT, ROUT pin) ...................................................................................................... 67
■ Control Sequence ............................................................................................................................ 70
■ Serial Control Interface .................................................................................................................... 81
■ Register Map.................................................................................................................................... 84
■ Register Definitions ......................................................................................................................... 84
18. Recommended External Circuits................................................................................................... 89
■ Parallel Mode ................................................................................................................................... 89
■ Serial Mode...................................................................................................................................... 90
015004500-E-02
-3-
2015/09