2

DS670F1

CS4365

TABLE OF CONTENTS

1. PIN DESCRIPTION ................................................................................................................................ 6

2. CHARACTERISTICS AND SPECIFICATIONS ...................................................................................... 8

RECOMMENDED OPERATING CONDITIONS ..................................................................................... 8

ABSOLUTE MAXIMUM RATINGS ......................................................................................................... 8

POWER AND THERMAL CHARACTERISTICS .................................................................................. 11

3. TYPICAL CONNECTION DIAGRAM .................................................................................................. 19

4. APPLICATIONS ................................................................................................................................... 21

4.1 Master Clock ................................................................................................................................... 21

4.2 Mode Select .................................................................................................................................... 22

4.3 Digital Interface Formats ................................................................................................................ 23

4.3.1 OLM #1 .................................................................................................................................. 24

4.3.2 OLM #2 .................................................................................................................................. 24

4.4 Oversampling Modes ...................................................................................................................... 24

4.5 Interpolation Filter ........................................................................................................................... 25

4.6 De-Emphasis .................................................................................................................................. 25

4.7 ATAPI Specification ........................................................................................................................ 26

4.8 Direct Stream Digital (DSD) Mode .................................................................................................. 26

4.9 Grounding and Power Supply Arrangements ................................................................................. 27

4.9.1 Capacitor Placement ............................................................................................................. 27

4.10 Analog Output and Filtering .......................................................................................................... 28

4.11 The MUTEC Outputs .................................................................................................................... 29

4.12 Recommended Power-Up Sequence ........................................................................................... 29

4.12.1 Hardware Mode ................................................................................................................... 29

4.12.2 Software Mode .................................................................................................................... 30

4.13 Recommended Procedure for Switching Operational Modes ....................................................... 30

4.14 Control Port Interface ................................................................................................................... 30

4.14.1 MAP Auto Increment ........................................................................................................... 30

4.14.2 I²C Mode .............................................................................................................................. 30

4.14.2.1 I²C Write™ ............................................................................................................... 31

4.14.2.2 I²C Read .................................................................................................................. 31

4.14.3 SPI™ Mode ......................................................................................................................... 32

4.14.3.1 SPI Write .................................................................................................................. 32

4.15 Memory Address Pointer (MAP)

............................................................................................. 32

4.15.1 INCR (Auto Map Increment Enable) .................................................................................... 32

4.15.2 MAP4-0 (Memory Address Pointer) .................................................................................... 32

5. REGISTER QUICK REFERENCE ....................................................................................................... 33

6. REGISTER DESCRIPTION .................................................................................................................. 34

6.1 Chip Revision (address 01h) ......................................................................................................... 34

6.1.1 Part Number ID (PART) [Read Only] .................................................................................... 34

6.2 Mode Control 1 (address 02h) ........................................................................................................ 34

6.2.1 Control Port Enable (CPEN) .................................................................................................. 34

6.2.2 Freeze Controls (FREEZE) ................................................................................................... 34

6.2.3 PCM/DSD Selection (DSD/PCM) .......................................................................................... 35

6.2.4 DAC Pair Disable (DACx_DIS) ..............................................................................................35

6.2.5 Power Down (PDN) ............................................................................................................... 35

6.3 PCM Control (address 03h) ........................................................................................................... 35

6.3.1 Digital Interface Format (DIF) ................................................................................................ 35

6.3.2 Functional Mode (FM) ........................................................................................................... 36

6.4 DSD Control (address 04h) ........................................................................................................... 36

6.4.1 DSD Mode Digital Interface Format (DSD_DIF) .................................................................... 36

6.4.2 Direct DSD Conversion (DIR_DSD) ...................................................................................... 37

6.4.3 Static DSD Detect (STATIC_DSD) ........................................................................................ 37