CS3511-CNZ Cirrus Logic Inc, CS3511-CNZ Datasheet - Page 2

• Manufacturer Part Number: CS3511-CNZ
• Description: Audio Amplifiers IC 2X10W Digital Audio Amp
• Manufacturer: Cirrus Logic Inc

Specifications of CS3511-CNZ

• Product: Class-D
• Output Power: 11.8 W
• Available Set Gain: 27.3 dB
• Common Mode Rejection Ratio (min): 55 dB
• Thd Plus Noise: 0.025 %, 0.019 %
• Operating Supply Voltage: 12 V
• Supply Current: 38 mA
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Audio Load Resistance: 8 Ohms
• Input Signal Type: Differential, Single
• Minimum Operating Temperature: - 10 C
• Output Signal Type: Differential
• Supply Type: Single
• Supply Voltage (max): 13.5 V
• Supply Voltage (min): 8.5 V
• Output Type: 2-Channel Stereo
• Package / Case: QFN-32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2
TABLE OF CONTENTS
1. PIN DESCRIPTIONS .............................................................................................................................. 4
2. CHARACTERISTICS AND SPECIFICATIONS ...................................................................................... 6
3. TYPICAL CONNECTION DIAGRAMS ................................................................................................. 11
4. APPLICATIONS ................................................................................................................................... 13
5. POWER SUPPLY, GROUNDING, AND PCB LAYOUT ....................................................................... 17
6. TYPICAL AUDIO PERFORMANCE PLOTS ........................................................................................ 18
7. PARAMETER DEFINITIONS ................................................................................................................ 22
8. PACKAGE DIMENSIONS .................................................................................................................... 23
9. THERMAL CHARACTERISTICS ......................................................................................................... 24
10. ORDERING INFORMATION .............................................................................................................. 25
11. REVISION HISTORY .......................................................................................................................... 26
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
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
4.7 Protection Circuits .......................................................................................................................... 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
5.1 Power Supply and Grounding ........................................................................................................ 17
5.2 QFN Thermal Pad .......................................................................................................................... 17
5.3 Layout Considerations ................................................................................................................... 17
9.1 Thermal Flag .................................................................................................................................. 24
4.6.1 Recommended Power-Up Sequence .................................................................................... 14
4.6.2 Recommended Power-Down Sequence ............................................................................... 15
4.7.1 Under-Voltage Protection ...................................................................................................... 15
4.7.2 Over-Temperature Protection ................................................................................................ 15
4.7.3 Over-Current Protection ........................................................................................................ 15
5.1.1 Maximum Supply Voltage ...................................................................................................... 17
CS3511
DS845F1