[AK4497]
3.
Table of Contents
1.
2.
3.
4.
5.
General Description ........................................................................................................................ 1
Features .......................................................................................................................................... 1
Table of Contents............................................................................................................................ 2
Block Diagram ................................................................................................................................. 4
Pin Configurations and Functions ................................................................................................... 5
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Pin Configurations .............................................................................................................................. 5
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Pin Functions ..................................................................................................................................... 6
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Handling of Unused Pin ..................................................................................................................... 8
6.
Absolute Maximum Ratings .......................................................................................................... 10
7.
Recommended Operating Conditions .......................................................................................... 10
8.
Electrical Characteristics .............................................................................................................. 11
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Analog Characteristics ..................................................................................................................... 11
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DSD Mode ........................................................................................................................................ 13
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Sharp Roll-Off Filter Characteristics ................................................................................................ 14
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Slow Roll-Off Filter Characteristics .................................................................................................. 16
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Short Delay Sharp Roll-Off Filter Characteristics ............................................................................ 18
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Short Delay Slow Roll-Off Filter Characteristics .............................................................................. 20
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Low-dispersion Short Delay Filter Characteristics ........................................................................... 22
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DSD Filter Characteristics ................................................................................................................ 24
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DC Characteristics ........................................................................................................................... 24
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Switching Characteristics ................................................................................................................. 25
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Timing Diagram ................................................................................................................................ 30
9.
Functional Descriptions................................................................................................................. 35
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D/A Conversion Mode (PCM Mode, DSD Mode, EXDP Mode) ...................................................... 37
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D/A Conversion Mode Switching Timing ......................................................................................... 37
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System Clock ................................................................................................................................... 39
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Audio Interface Format .................................................................................................................... 49
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Digital Filter ...................................................................................................................................... 61
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De-emphasis Filter (PCM Mode) ..................................................................................................... 62
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Output Volume (PCM Mode, DSD Mode, EXDF Mode) .................................................................. 62
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Gain Adjustment Function (PCM Mode, DSD Mode, EXDF Mode) ................................................ 63
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Zero Detection (PCM Mode, DSD Mode, EXDF Mode) .................................................................. 64
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L/R Channel Output Signal Select, Phase Inversion Function (PCM Mode, DSD Mode, EXDF Mode)
.............................................................................................................................................................. 65
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Sound Quality (PCM Mode, DSD Mode, EXDF Mode) ................................................................... 65
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DSD Signal Full Scale (FS) Detection ............................................................................................. 66
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Soft Mute Operation (PCM Mode, DSD Mode, EXDF Mode) ......................................................... 68
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LDO .................................................................................................................................................. 69
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Shutdown Switch.............................................................................................................................. 69
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Over Current Protection for Analog Output Pins ............................................................................. 69
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Power Up/Down Function ................................................................................................................ 70
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Synchronize Function (PCM mode, EXDF mode) ........................................................................... 78
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Register Control Interface ................................................................................................................ 80
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Register Map .................................................................................................................................... 84
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Register Definitions .......................................................................................................................... 86
10.
Recommended External Circuits .................................................................................................. 95
11.
Package ........................................................................................................................................ 99
■Outline
Dimensions ........................................................................................................................... 99
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Material & Lead Finish ................................................................................................................... 100
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Marking........................................................................................................................................... 100
12.
Ordering Guide ........................................................................................................................... 101
016003187-E-00
-2-
2016/05
AKM [ ASAHI KASEI MICROSYSTEMS ]
