CS3511

2

DS845F1

TABLE OF CONTENTS

1. PIN DESCRIPTIONS .............................................................................................................................. 4

2. CHARACTERISTICS AND SPECIFICATIONS ...................................................................................... 6

RECOMMENDED OPERATING CONDITIONS .................................................................................... 6

ABSOLUTE MAXIMUM RATINGS ........................................................................................................ 6

AC ELECTRICAL CHARACTERISTICS ................................................................................................ 7

DC ELECTRICAL CHARACTERISTICS ................................................................................................ 9

DIGITAL INTERFACE SPECIFICATIONS ............................................................................................. 9

DIGITAL I/O PIN CHARACTERISTICS ............................................................................................... 10

3. TYPICAL CONNECTION DIAGRAMS .................................................................................................11

4. APPLICATIONS ................................................................................................................................... 13

4.1 CS3511 Input Stage ....................................................................................................................... 13

4.2 Dynamic DC Offset Calibration ...................................................................................................... 13

4.3 CS3511 Amplifier Gain .................................................................................................................. 14

4.4 MUTE Pin ....................................................................................................................................... 14

4.5 SLEEP Pin ..................................................................................................................................... 14

4.6 Power Up and Power Down Sequence .......................................................................................... 14

4.6.1 Recommended Power-Up Sequence .................................................................................... 14

4.6.2 Recommended Power-Down Sequence ............................................................................... 15

4.7 Protection Circuits .......................................................................................................................... 15

4.7.1 Under-Voltage Protection ...................................................................................................... 15

4.7.2 Over-Temperature Protection ................................................................................................ 15

4.7.3 Over-Current Protection ........................................................................................................ 15

4.8 Integrated 5 V Regulator ................................................................................................................ 15

4.9 Power Dissipation De-Rating ......................................................................................................... 15

4.10 Performance Measurements of the CS3511 ................................................................................ 16

4.11 Full-Bridge Output Filter ............................................................................................................... 16

5. POWER SUPPLY, GROUNDING, AND PCB LAYOUT ....................................................................... 17

5.1 Power Supply and Grounding ........................................................................................................ 17

5.1.1 Maximum Supply Voltage ...................................................................................................... 17

5.2 QFN Thermal Pad .......................................................................................................................... 17

5.3 Layout Considerations ................................................................................................................... 17

6. TYPICAL AUDIO PERFORMANCE PLOTS ........................................................................................ 18

7. PARAMETER DEFINITIONS ................................................................................................................ 22

8. PACKAGE DIMENSIONS .................................................................................................................... 23

9. THERMAL CHARACTERISTICS ......................................................................................................... 24

9.1 Thermal Flag .................................................................................................................................. 24

10. ORDERING INFORMATION .............................................................................................................. 25

11. REVISION HISTORY .......................................................................................................................... 26