CXAR41116 CXAR41116A是一款数字输入、立体声、高效率的D级音频放大器,采用TQFP7x7-48P封装。CXAR41116 CXAR41116A接收数字串行音频数据,并使用数字音频处理器转换音频数据成为立体声D类输出扬声器放大器。这提供了编解码器和扬声器放大器之间的无缝集成。CXAR41116 CXAR41116 a是从外部接收时钟的从设备,对于采样率44.1kHz,D类的PWM开关频率为352.8kHz;对于采样率48kHz,D类的PWM开关频率为384khz,这取决于输入信号的采样率。
·工作电压:PVDD为8.0V~24V,DVDD和AVDD为3.0V~3.6V
·高效的D级操作,无需散热器·数字串行音频输入(立体声输出)
·I2C控制接口
·采样率可支持32kHz至192kHz
·将音量控制从24dB分离到静音
·软静音(50%占空比)
·可编程动态范围压缩
–功率限制器
–扬声器保护
–夜间模式收听
·扬声器EQ的可编程双象限
·关机静音功能
·自动恢复的热保护和过电流保护
[ CXAR41116 ]
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产品概述 返回TOP
产品特点 返回TOP
· Operating Voltage: 8.0V~24V for PVDD – 3.0V~3.6V for DVDD and AVDD
· High Efficiency Class-D Operation Eliminate the Need of Heatsinks · Digital Serial Audio Input (Stereo Output)
· I 2C Control Interface
· Sampling Rate can Support from 32kHz to 192kHz
· Separated Volume Control from 24dB to Mute
· Soft Mute (50% Duty Cycle)
· Programmable Dynamic Range Compression
– Power Limiter
– Speaker Protection
– Night-Mode Listening
· Programmable Biquads for Speaker EQ
· Shutdown and Mute Function
· Thermal and Over-Current Protections with AutoRecovery
· Space Saving Package TQFP7x7-48P
· Lead Free and Green Devices Available (RoHS Compliant)
应用范围 返回TOP
· LCD TV
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Audio Products > Digital Input Audio Amplifier |
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Part_No |
Package |
Class AB/D |
VDD Voltage (V) |
IDD, Supply Current (mA) |
Output Power RL=4W(W) |
Output Power RL=8W(W) |
Total Harmonic Distortion Plus Noise (%) |
Power Supply Rejection Ratio (dB) |
Output Noise (uV) |
Signal to Noise Ratio (dB) |
|
min |
max |
||||||||||
TQFP7x7-48P |
D |
8 |
24 |
18 |
NA |
16 |
0.3 |
60 |
100 |
100 |
|
TQFP7x7-48P |
D |
8 |
24 |
18 |
NA |
16 |
0.06 |
NA |
100 |
100 |
|
TQFP7x7-48P |
D |
8 |
24 |
18 |
NA |
16 |
0.06 |
NA |
150 |
97 |
|
TQFP7x7-48P |
D |
8 |
24 |
18 |
NA |
16 |
0.06 |
NA |
150 |
98 |
|
TQFP7x7-48P |
D |
5 |
24 |
18 |
NA |
16 |
0.06 |
NA |
150 |
97 |
|
TQFP7x7-48P |
D |
8 |
24 |
18 |
31 |
16 |
0.06 |
NA |
200 |
95 |
|