CS4382A-DQZ【PDF 12/50 页】IC DAC 8CH 114DB 192KHZ 48-LQFP

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Sheet目录1991

8页 9页 10页 11页 [12页]13页 14页 15页 16页

DS618F2

CS4382A

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 ...................................... 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 - IC 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 ................................................................................................................................... 21

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

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

4.5 Interpolation Filter .......................................................................................................................... 24

4.6 De-emphasis .................................................................................................................................. 24

4.7 ATAPI Specification ....................................................................................................................... 25

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

4.9 Grounding and Power Supply Arrangements ................................................................................ 26

4.9.1 Capacitor Placement ............................................................................................................. 26

4.10 Analog Output and Filtering ......................................................................................................... 26

4.11 Mute Control ................................................................................................................................ 27

4.12 Recommended Power-Up Sequence .......................................................................................... 28

4.12.1 Hardware Mode ................................................................................................................... 28

4.12.2 Software Mode .................................................................................................................... 28

4.13 Recommended Procedure for Switching Operational Modes ...................................................... 29

4.14 Control Port Interface ................................................................................................................... 29

4.14.1 MAP Auto Increment ........................................................................................................... 29

4.14.2 IC Mode .............................................................................................................................. 29

4.14.2.1 IC Write ................................................................................................................... 29

4.14.2.2 IC Read .................................................................................................................. 30

4.14.3 SPI Mode ............................................................................................................................. 30

4.14.3.1 SPI Write .................................................................................................................. 30

4.15 Memory Address Pointer (MAP) ................................................................................................. 31

4.16 INCR (Auto Map Increment Enable) ............................................................................................ 31

4.16.1 MAP4-0 (Memory Address Pointer) .................................................................................... 31

5. REGISTER QUICK REFERENCE ........................................................................................................ 32

6. REGISTER DESCRIPTION .................................................................................................................. 33

6.1 Mode Control 1 (Address 01h) ....................................................................................................... 33

6.1.1 Control Port Enable (CPEN) .................................................................................................. 33

6.1.2 Freeze Controls (FREEZE) ................................................................................................... 33

6.1.3 Master Clock Divide Enable (MCLKDIV) ............................................................................... 33

6.1.4 DAC Pair Disable (DACx_DIS) ..............................................................................................33

6.1.5 Power Down (PDN) ............................................................................................................... 34

6.2 Mode Control 2 (Address 02h) ....................................................................................................... 34

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