2

DS670F2

CS4365

TABLE OF CONTENTS

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

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

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

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

DAC ANALOG CHARACTERISTICS - COMMERCIAL (-CQZ) ............................................................. 9

DAC ANALOG CHARACTERISTICS - AUTOMOTIVE (-DQZ) ............................................................ 10

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

COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE ...................................... 12

COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE (CONTINUED) .............. 13

DSD COMBINED DIGITAL & ON-CHIP ANALOG FILTER RESPONSE ............................................. 13

DIGITAL CHARACTERISTICS ............................................................................................................. 14

SWITCHING CHARACTERISTICS - PCM ........................................................................................... 15

SWITCHING CHARACTERISTICS - DSD ........................................................................................... 16

SWITCHING CHARACTERISTICS - CONTROL PORT - I²C FORMAT .............................................. 17

SWITCHING CHARACTERISTICS - CONTROL PORT - SPI FORMAT ............................................. 18

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