CXAR4177 CXAR4177A是一款立体声、固定增益和无盖耳机驱动程序,提供TQFN4x4 20针、TQFN3x3 16针(CXAR4177A)或TSSOP-16封装。双电源电压提供更高的效率和更好的功率纹波抑制。CXAR4177 CXAR4177A采用接地参考输出,无需输出电容器进行直流闭锁。消除输出电容器的优点是节省了成本、PCB的空间和元件高度。内置增益设置可以最小化外部元件数量并节省PCB空间。高PSRR提高了对噪声和RF整流的抗扰度。除了这些功能外,启动时间快、封装体积小,使CXAR4177 CXAR4177A成为便携式多媒体设备的理想选择。此外,CXAR4177 CXAR4177A还配备了其他功能。例如,在THD+N=1%时,它能在VDD=3.3V、PVDD=5.0V下驱动200mW至16W,并提供热保护和短路保护。
·不需要输出电容器
·双电源电压(PVDD>VDD)
–电压密度=1.8~5.5V
–PVDD=2.2~5.5伏
·满足VISTA要求
·1%THD+N时的输出功率
-200兆瓦,VDD=3.3伏,PVDD=5.0伏,RL=16瓦
-55mW,VDD=1.8V,PVDD=3.0V,10%THD+N时RL=16W
-270mW,VDD=3.3V,PVDD=5.0V,RL=16W时
-70mW,在VDD=1.8V,PVDD=3.0V,RL=16W时
·所需外部组件更少
·高PSRR:217Hz时80dB
·快速启动时间:120ms
·短路和热保护
·表面贴装组件
 
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[ CXAR4177 ]
 
目录
7.相关产品
产品概述 返回TOP
The CXAR4177 CXAR4177A is a stereo, fixed gain, and cap-free headphone driver which is available in TQFN4x4 20-pin, TQFN3x3 16-pin (CXAR4177A) or TSSOP-16 package. Dual supply voltage provides higher efficiency and better power ripple rejection. The CXAR4177 CXAR4177A is designed with ground-reference output and no need the output capacitors for DC blocking. The advantages of eliminating the output capacitor are saving the cost, PCB’s space, and component height. The built-in gain setting can minimize the external component counts and save the PCB space. High PSRR provides increased immunity to noise and RF rectification. In addition to these features, a fast start-up time and small package size make the CXAR4177 CXAR4177A an ideal choice for portable multimedia devices. Moreover, the CXAR4177 CXAR4177A is also equipped other features. For example, at THD+N=1%, it is capable of driving 200mW at VDD =3.3V, PVDD =5.0V into 16W. In addition, it provides thermal and short circuit protections.
产品特点 返回TOP
· No Output Capacitor Required
· Dual Supply Voltage (PVDD>VDD)
– VDD =1.8 ~5.5V
– PVDD=2.2 ~ 5.5V
· Meeting VISTA Requirements
· Output Power at 1% THD+N
-200mW, at VDD =3.3V, PVDD =5.0V, RL =16W
-55mW, at VDD =1.8V, PVDD =3.0V, RL =16W at 10% THD+N
-270mW, at VDD =3.3V, PVDD =5.0V, RL =16W
-70mW, at VDD =1.8V, PVDD =3.0V, RL =16W
· Less External Components Required
· High PSRR: 80dB at 217Hz
· Fast Start-Up Time : 120ms
· Short-Circuit and Thermal Protection
· Surface-Mount Package
– TQFN4x4-20B (with Enhanced Thermal Pad)
– TSSOP-16
– TQFN3x3-16 (with Enhanced Thermal Pad) (for CXAR4177A)
· Lead Free and Green Devices Available (RoHS Compliant)
应用范围 返回TOP
· Headsets
· PDAs
· Portable Multimedia Devices
· Notebooks
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 > Headphone Amplifier  | 
		||||||||||||
| 
			 Part_No  | 
			
			 Package  | 
			
			 VDD Voltage (V)  | 
			
			 IDD, Supply Current (mA)  | 
			
			 TSTART-UP(uS)  | 
			
			 Output Power RL=32W (mW)  | 
			
			 Output Power RL=2.5KW (mW)  | 
			
			 Total Harmonic Distortion Plus Noise (%)  | 
			
			 Power Supply Rejection Ratio (dB)  | 
			
			 Output Noise (uV)  | 
			
			 Signal to Noise Ratio (dB)  | 
			
			 Output Offset Voltage (mV)  | 
		|
| 
			 min  | 
			
			 max  | 
		|||||||||||
| 
			 TSSOP14/SOP14  | 
			
			 3  | 
			
			 3.6  | 
			
			 10  | 
			
			 500  | 
			
			 20  | 
			
			 2.1  | 
			
			 0.001  | 
			
			 80  | 
			
			 8  | 
			
			 108  | 
			
			 5  | 
		|
| 
			 TSSOP14/SOP14  | 
			
			 2.3  | 
			
			 5.5  | 
			
			 10  | 
			
			 500  | 
			
			 40  | 
			
			 2.1  | 
			
			 0.001  | 
			
			 80  | 
			
			 8  | 
			
			 108  | 
			
			 5  | 
		|
| 
			 TQFN4x4-20A/ TSSOP16/SOP14  | 
			
			 2.3  | 
			
			 4.5  | 
			
			 5  | 
			
			 500  | 
			
			 NA  | 
			
			 2.1  | 
			
			 0.002  | 
			
			 90  | 
			
			 10  | 
			
			 105  | 
			
			 8  | 
		|
| 
			 TQFN4x4-20B/TSSOP-16  | 
			
			 2.3  | 
			
			 4.5  | 
			
			 5  | 
			
			 16000  | 
			
			 NA  | 
			
			 2.1  | 
			
			 0.003  | 
			
			 80  | 
			
			 15  | 
			
			 102  | 
			
			 8  | 
		|
| 
			 TQFN4x4-20B/TSSOP-16/TQFN3x3-16  | 
			
			 1.8  | 
			
			 5.5  | 
			
			 2  | 
			
			 120  | 
			
			 150  | 
			
			 NA  | 
			
			 0.03  | 
			
			 82  | 
			
			 15  | 
			
			 95  | 
			
			 5  | 
		|
| 
			 TSSOP-16  | 
			||||||||||||
| 
			 WLCSP-16  | 
			
			 2.4  | 
			
			 5.5  | 
			
			 2.5  | 
			
			 4000  | 
			
			 22  | 
			
			 NA  | 
			
			 0.02  | 
			
			 90  | 
			
			 7  | 
			
			 95  | 
			
			 0.5  | 
		|
| 
			 WLCSP2x2-16  | 
			
			 1.8  | 
			
			 4.5  | 
			
			 5  | 
			
			 120  | 
			
			 145  | 
			
			 NA  | 
			
			 0.02  | 
			
			 75  | 
			
			 15  | 
			
			 100  | 
			
			 5  | 
		|
| 
			 WLCSP1.6x1.6-12/TDFN3x3-12  | 
			
			 2.3  | 
			
			 5.5  | 
			
			 1  | 
			
			 4000  | 
			
			 60  | 
			
			 NA  | 
			
			 0.03  | 
			
			 80  | 
			
			 27  | 
			
			 95  | 
			
			 8  | 
		|
| 
			 WLCSP1.6x 1.6-12  | 
			
			 2.3  | 
			
			 5.5  | 
			
			 1  | 
			
			 4000  | 
			
			 60  | 
			
			 NA  | 
			
			 0.03  | 
			
			 80  | 
			
			 27  | 
			
			 95  | 
			
			 8  | 
		|
| 
			 MSOP-10P  | 
			
			 2.3  | 
			
			 5.5  | 
			
			 10  | 
			
			 500  | 
			
			 60  | 
			
			 2.1  | 
			
			 0.001  | 
			
			 80  | 
			
			 8  | 
			
			 108  | 
			
			 5  | 
		|
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