CXAR41119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。CXAR41119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。CXAR41119是从外部接收时钟的从设备,D类的PWM开关频率为352.8kHz(采样率为44.1kHz)或384khz(采样率为48kHz)取决于输入信号的采样率。
·工作电压:PVDD为8.0V-24V
–DVD和AVDD为3.0V~3.6V
·高效的D级运行,无需散热器
·数字串行音频输入(立体声输出)
·2.1模式(2SE+1BTL)
·2.0模式(2BTL)
·单滤波器PBTL模式支持
·I2C地址选择引脚(芯片选择)
·I2C控制接口
·从32kHz到192kHz的采样率支持
·将音量控制从24dB分离到静音
·软静音(50%占空比)
·卫星和子信道的分离动态距离控制
·18个可编程双四边形,用于扬声器EQ和其他音频处理功能
·DRC滤波器的可编程系数
·直流阻塞滤波器
·支持3D效果
·关机静音功能
·自动恢复的热保护和过电流保护
 
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[ CXAR41119 ]
 
目录
7.相关产品
产品概述 返回TOP
The CXAR41119 is a digital input, stereo, high efficiency, Class-D audio amplifier available in a TQFP7x7-48P package. The CXAR41119 accepts the digital serial audio data and using the digital audio processor to convert the audio data becomes the stereo Class-D output speaker amplifier. This provides the seamless integration between the codec and the speaker amplifier. The CXAR41119 is a slave device receiving clocks from external source, and the Class-D’s PWM switching frequency is 352.8kHz for the sampling rate 44.1kHz or 384 kHz for sampling 48kHz, depend on the input signal’s sampling rate.
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)
· 2.1 Mode (2SE + 1BTL)
· 2.0 Mode (2BTL)
· Single-Filter PBTL Mode Support
· I 2C Address Selection Pin (Chip Select)
· I 2C Control Interface
· Sampling Rate Support from 32kHz to 192kHz
· Separated Volume Control from 24dB to Mute
· Soft Mute (50% Duty Cycle)
· Separate Dynamic Range Control for Satellite and Subchannels
· 18 Programmable Biquads for Speaker EQ and Other Audio Processing Features
· Programmable Coefficients for DRC Filters
· DC Blocking Filters, De-emphasis Filters
· Support for 3D Effects
· 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
· iPod Dock
· Sound Bar
技术规格书(产品PDF) 返回TOP
需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持!
 
产品封装图 返回TOP

电路原理图 返回TOP

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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  | 
		|
◀ 上一篇:CXAR41118高效的D级操作无需散热器数字串行音频输入I2C控制接口数字输入立体声高效率的D级音频放大器接收数字串行音频数据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
下一篇▶:CXAR41163高效率2通道全桥式驱动BTL D类音频功率放大器,在负载为6Ω或8Ω时驱动立体扬声器每个通道的功率为10W全差分输入架构相比于单端SE输入放大器具有更好的抗噪声能力
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