CS3511立体声高效D类音频功率放大电路

CS3511是立体声10W高效D类音频功率放大器，不需要散热器。CS3511集成了过流，过压和超温保护以及误差报告。系统级动态范围为99dB，5W输出时的THD+N为0.025%,通路间隔离为-104dB，单电源9-12V工作，主要用于有源扬声器，数字电视，手提媒体播放器坞站，迷你/微型音乐系统等。

CS3511主要应用：

Active Speakers

Portable Media Player Docking Stations

Mini/Micro Shelf Systems

Digital Televisions

图1。CS3511方框图

图2。CS3511典型连接框图：差分输入立体声放大器

图3。CS3511典型连接框图：单端输入立体声放大器

2 x 11 W CS3511数字放大器参考设计主要特性：

Output Filters Optimized for 8 Ω Loads

Delivers 9 W/Ch into 8 Ω at 10 % THD+N

Delivers 11 W/Ch into 6 Ω at 10 % THD+N

Single-Ended Stereo Analog Inputs

– Source Impedance Matching Circuit

Demonstrates Recommended 4-Layer Layout and Grounding Arrangements

Operated by Single +8.5-13.2 V Power Supply

Configured by On-Board Hardware Control

– Control Mute, Sleep, and Gain Settings

Power and Fault Indicator LEDs

– Indicates Under-Voltage, Over-Current, or Over-Temperature Faults

Versatile Binding Post Connectors for Power Supply and Speaker Outputs

图4。2 x 11 W CS3511数字放大器参考设计方框图

图5。CRD3511-Q1参考设计电路图

图6。CRD3511-Q1参考设计元件布局图