CS4382

2

DS514F1

TABLE OF CONTENTS

1. CHARACTERISTICS AND SPECIFICATIONS ........................................................................ 4

ANALOG CHARACTERISTICS ................................................................................................ 4

POWER AND THERMAL CHARACTERISTICS....................................................................... 5

ANALOG FILTER RESPONSE................................................................................................. 6

DIGITAL CHARACTERISTICS ................................................................................................. 7

ABSOLUTE MAXIMUM RATINGS ........................................................................................... 7

RECOMMENDED OPERATING CONDITIONS ....................................................................... 7

SWITCHING CHARACTERISTICS .......................................................................................... 8

DSD - SWITCHING CHARACTERISTICS................................................................................ 9

SWITCHING CHARACTERISTICS - CONTROL PORT - SPI™ FORMAT............................ 11

2. REGISTER QUICK REFERENCE .......................................................................................... 14

3. REGISTER DESCRIPTION .................................................................................................... 15

4. PIN DESCRIPTION ................................................................................................................. 24

5. APPLICATIONS ...................................................................................................................... 27

5.1 Grounding and Power Supply Decoupling ....................................................................... 27

5.2 Oversampling Modes ....................................................................................................... 27

5.3 Recommended Power-up Sequence ............................................................................... 27

5.4 Analog Output and Filtering ............................................................................................. 27

5.5 Interpolation Filter ............................................................................................................ 27

5.6 Clock Source Selection .................................................................................................... 28

5.7 Using DSD mode .............................................................................................................28

6. CONTROL PORT INTERFACE .............................................................................................. 29

6.1 Enabling the Control Port ................................................................................................. 29

6.2 Format Selection .............................................................................................................. 29

6.3.1 Writing in I2C Format ........................................................................................... 29

6.3.2 Reading in I2C Format ........................................................................................ 29

6.4 SPI Format ....................................................................................................................... 30

6.4.1 Writing in SPI ...................................................................................................... 30

6.5 Memory Address Pointer (MAP)

................................................................................. 31

7. PARAMETER DEFINITIONS .................................................................................................. 39

8. REFERENCES ........................................................................................................................ 40

9. PACKAGE DIMENSIONS ....................................................................................................... 41

LIST OF FIGURES

Figure 1. Serial Mode Input Timing ................................................................................................. 8

Figure 2. Direct Stream Digital - Serial Audio Input Timing............................................................. 9

Figure 3. Control Port Timing - I2C Format ................................................................................... 10

Figure 4. Control Port Timing - SPI Format................................................................................... 11

Figure 5. Typical Connection Diagram Control Port...................................................................... 12

Figure 6. Typical Connection Diagram Stand-Alone ..................................................................... 13

Figure 7. Control Port Timing, I2C Format..................................................................................... 30

Figure 8. Control Port Timing, SPI Format .................................................................................... 30

Figure 9. Single Speed (fast) Stopband Rejection ........................................................................ 32

Figure 10. Single Speed (fast) Transition Band ............................................................................ 32

Figure 11. Single Speed (fast) Transition Band (detail) ................................................................ 32

Figure 12. Single Speed (fast) Passband Ripple .......................................................................... 32

Figure 13. Single Speed (slow) Stopband Rejection..................................................................... 32

Figure 14. Single Speed (slow) Transition Band ........................................................................... 32

Figure 15. Single Speed (slow) Transition Band (detail) ............................................................... 33

Figure 16. Single Speed (slow) Passband Ripple ......................................................................... 33