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AK4558EN Datasheet, PDF (3/94 Pages) Asahi Kasei Microsystems – 108dB 216kHz 32Bit CODEC with PLL | |||
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[AK4558]
3. Table of Contents
1. General Description ............................................................................................................................ 1
2. Features .............................................................................................................................................. 1
3. Table of Contents ................................................................................................................................ 3
4. Block Diagram and Functions ............................................................................................................. 5
â Block Diagram ................................................................................................................................... 5
â Compatibility with the AK4556........................................................................................................... 6
5. Pin Configurations and Functions ....................................................................................................... 7
â Ordering Guide .................................................................................................................................. 7
â Pin Layout .......................................................................................................................................... 7
â Pin Functions ..................................................................................................................................... 8
â 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
â Timing Diagram ............................................................................................................................... 29
17. Functional Descriptions ................................................................................................................. 34
â Parallel / Serial Mode ...................................................................................................................... 34
â Master Mode/Slave Mode................................................................................................................ 34
â System Clock ................................................................................................................................... 35
â Parallel Mode (PS pin= âHâ) ............................................................................................................ 36
â Serial Mode (PS pin= âLâ) ................................................................................................................ 38
â PLL Mode (PMPLL bit = â1â)............................................................................................................ 41
â PLL Unlock State ............................................................................................................................. 46
â PLL Master Mode (PMPLL bit = â1â, CKS3-2 pins = âHHâ) ............................................................. 46
â PLL Slave Mode (PMPLL bit = â1â, CKS3-2 pins = âLLâ or âLHâ or âHLâ)........................................ 47
â De-emphasis Filter .......................................................................................................................... 48
â Digital HPF....................................................................................................................................... 48
â Audio Interface Format .................................................................................................................... 49
â TDM Cascade Mode........................................................................................................................ 52
â ADC/DAC Digital Filter .................................................................................................................... 61
â Mono/Stereo Switching.................................................................................................................... 61
â Digital Attenuator ............................................................................................................................. 62
â Soft Mute Operation......................................................................................................................... 63
â Out of Band Noise Reduction Filter................................................................................................. 64
â DAC Output (LOUT, ROUT pin) ...................................................................................................... 67
â Control Sequence ............................................................................................................................ 70
â Serial Control Interface .................................................................................................................... 81
â Register Map.................................................................................................................................... 84
â Register Definitions ......................................................................................................................... 84
18. Recommended External Circuits................................................................................................... 89
â Parallel Mode ................................................................................................................................... 89
â Serial Mode...................................................................................................................................... 90
015004500-E-02
-3-
2015/09
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