AK4490EN Datasheet, PDF (2/68 Pages) Asahi Kasei Microsystems – Premium 32-Bit 2ch DAC

[AK4490EN]
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 ....................................................................................................... 5
■ Pin Layout .......................................................................................................................................... 5
■ Pin Functions...................................................................................................................................... 6
■ Handling of Unused Pin ..................................................................................................................... 8
6. Absolute Maximum Ratings ................................................................................................................ 9
7. Recommended Operating Conditions................................................................................................. 9
8. Electrical Characteristics................................................................................................................... 10
■ Analog Characteristics ..................................................................................................................... 10
■ Sharp Roll-Off Filter Characteristics (fs=44.1kHz) .......................................................................... 11
■ Sharp Roll-Off Filter Characteristics (fs=96kHz) ............................................................................. 11
■ Sharp Roll-Off Filter Characteristics (fs=192kHz) ........................................................................... 11
■ Short Delay Sharp Roll-Off Filter Characteristics (fs=44.1kHz) ...................................................... 13
■ Short Delay Sharp Roll-Off Filter Characteristics (fs=96kHz) ......................................................... 13
■ Short Delay Sharp Roll-Off Filter Characteristics (fs=192kHz) ....................................................... 13
■ Slow Roll-Off Filter Characteristics (fs=44.1kHz) ............................................................................ 15
■ Slow Roll-Off Filter Characteristics (fs=96kHz) ............................................................................... 15
■ Slow Roll-Off Filter Characteristics (fs=192kHz) ............................................................................. 15
■ Short Delay Slow Roll-Off Filter Characteristics (fs=44.1kHz) ........................................................ 17
■ Short Delay Slow Roll-Off Filter Characteristics (fs=96kHz) ........................................................... 17
■ Short Delay Slow Roll-Off Filter Characteristics (fs=192kHz) ......................................................... 17
■ DSD Mode Characteristics............................................................................................................... 19
■ DC Characteristics ........................................................................................................................... 19
■ Switching Characteristics ................................................................................................................. 20
■ Timing Diagram ................................................................................................................................ 22
9. Functional Descriptions..................................................................................................................... 27
■ D/A Conversion Mode ...................................................................................................................... 27
■ System Clock ................................................................................................................................... 27
■ Audio Interface Format..................................................................................................................... 35
■ D/A Conversion Mode Switching Timing ......................................................................................... 40
■ De-emphasis Filter ........................................................................................................................... 41
■ Output Volume (PCM, DSD) ............................................................................................................ 41
■ Zero Detection (PCM, DSD, EX DF I/F) .......................................................................................... 42
■ Mono Output (PCM, DSD, EX DF I/F) ............................................................................................. 42
■ Sound Quality Control (PCM, DSD, Ex DF I/F) ............................................................................... 42
■ Characteristics (DSD) ...................................................................................................................... 43
■ Soft Mute Operation (PCM, DSD).................................................................................................... 44
■ System Reset ................................................................................................................................... 44
■ Power ON/OFF timing...................................................................................................................... 45
■ Reset Function ................................................................................................................................. 46
■ Synchronize Function....................................................................................................................... 48
■ Register Control Interface ................................................................................................................ 50
■ Register Map .................................................................................................................................... 55
■ Register Definitions .......................................................................................................................... 55
10. Recommended External Circuits................................................................................................... 61
11. Package......................................................................................................................................... 66
■ Outline Dimensions .......................................................................................................................... 66
015013666-E-01
-2-
2015/12