CS3511_0912 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 ................................................................................................ 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
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DS845F1