CS3511 Datasheet, PDF (2/26 Pages) Cirrus Logic – Stereo 10 W High-efficiency Class-D Audio Power Amplifier

CS3511
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 ................................................................................................ 8
DIGITAL INTERFACE SPECIFICATIONS ............................................................................................. 8
DIGITAL I/O PIN CHARACTERISTICS ................................................................................................. 9
3. TYPICAL CONNECTION DIAGRAMS ................................................................................................. 10
4. APPLICATIONS ................................................................................................................................... 12
4.1 CS3511 Input Stage ....................................................................................................................... 12
4.2 Dynamic DC Offset Calibration ...................................................................................................... 12
4.3 CS3511 Amplifier Gain .................................................................................................................. 13
4.4 MUTE Pin ....................................................................................................................................... 13
4.5 SLEEP Pin ..................................................................................................................................... 13
4.6 Power Up and Power Down Sequence .......................................................................................... 13
4.6.1 Recommended Power-Up Sequence .................................................................................... 13
4.6.2 Recommended Power-Down Sequence ............................................................................... 14
4.7 Protection Circuits .......................................................................................................................... 14
4.7.1 Under-Voltage Protection ...................................................................................................... 14
4.7.2 Over-Temperature Protection ................................................................................................ 14
4.7.3 Over-Current Protection ........................................................................................................ 14
4.8 Integrated 5 V Regulator ................................................................................................................ 14
4.9 Power Dissipation De-Rating ......................................................................................................... 14
4.10 Performance Measurements of the CS3511 ................................................................................ 15
4.11 Full-Bridge Output Filter ............................................................................................................... 15
5. POWER SUPPLY, GROUNDING, AND PCB LAYOUT ....................................................................... 16
5.1 Power Supply and Grounding ........................................................................................................ 16
5.1.1 Maximum Supply Voltage ...................................................................................................... 16
5.2 QFN Thermal Pad .......................................................................................................................... 16
5.3 Layout Considerations ................................................................................................................... 16
6. TYPICAL AUDIO PERFORMANCE PLOTS ........................................................................................ 17
7. PARAMETER DEFINITIONS ................................................................................................................ 21
8. PACKAGE DIMENSIONS .................................................................................................................... 22
9. THERMAL CHARACTERISTICS ......................................................................................................... 23
9.1 Thermal Flag .................................................................................................................................. 23
10. ORDERING INFORMATION .............................................................................................................. 24
11. REVISION HISTORY .......................................................................................................................... 25
2
DS845PP2