CXVD3321是一个集成了三倍6dB增益的视频缓冲区轨对轨输出驱动器及三级六阶输出重构
滤波器，拥有35MHz-3dB带宽。与无源LC相比过滤器和离散驱动程序，CXVD3321可以改善图像质量。以及它非常适合电池供电的应用，因为CXVD3321可以在单电源范围内运行
从+3.3V到+5.5V，接收超低36mA静态电流。视频信号，例如DAC的输出，可以输入到CXVD3321中采用直流或交流耦合方式。内部二极管夹和偏置电路如果需要交流耦合输入，可以使用。CXVD3321还集成了内部电平移位电路，避免同步脉冲被截断，并允许数据耦合输出。CXVD3321中的驱动器可以驱动直流或交流耦合的单（150Ω）或双（75Ω）负载。
☆三个6阶35MHz（HD）滤波器
☆透明输入夹紧
☆6dB输出驱动增益，驱动双视频负载
☆轨对轨输出
☆输入电压范围包括接地
☆交流或直流耦合输入/输出
☆工作电压3.3V至5.5V单电源
☆低功率36ma总电源电流
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[ CXVD3321 ]
目录
1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载（PDF文档）
一.产品概述
The CXVD3321 is a video buffer which integrates triple 6dB Gain rail-to-rail output driver and triple 6th order output reconstruction filter, and it owns 35MHz -3dB bandwidth. Compared with passive LC
filters and discrete drivers, CXVD3321 can improve image quality. And it is ideally suited for battery powered applications, because the CXVD3321 can operate under the environment with single supplies ranging
from +3.3V to +5.5V and sinking an ultra-low 36mA quiescent current. Video signal, such as the output of DAC, can be input in the CXVD3321 by DC-coupled or AC-coupled ways. Internal diode clamps and bias circuitry may be used if AC-coupled inputs are required. CXVD3321 also integrates an internal level shift circuit which avoids sync-pulse being clipped and allows DCcoupled output. The driver in CXVD3321 can drive DC or AC-coupled single (150Ω) or dual (75 Ω) loads.
二.产品特点
☆Triple 6th Order 35MHz (HD) Filters
☆Transparent Input Clamping
☆6dB Output Driver Gain and Drive Dual Video Load
☆Rail-to-Rail Output
☆Input Voltage Range Includes Ground
☆AC or DC Coupled Inputs / Outputs
☆Operates from 3.3V to 5.5V Single Power Supply
☆Low Power36mA Total Supply Current
☆Green SOP8 Package
三.应用范围
☆Cable and Satellite Set-Top Boxes
☆Video Amplifiers
☆Communications Devices Personal
☆Video Recorders Video on Demand,
☆DVD Players, HDTV, Projectors
四.技术规格书（产品PDF)
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！
五.产品封装图
六.电路原理图
七.相关芯片选择指南
| 视频滤波驱动(Video Filter Driver) | ||||||
| Part No. | Features | -3dB BandWidth | VDD | ESD | Package | Applications |
| CXVD3319 | 3 Channel 5th Order Standard Definition Video Filter Driver | 7.7 MHz | 3.3~5.5V | 8KV | SOP8 MSOP8 | Set Top Box |
| CXVD3320 | 1 Channel 5th Order Standard Definition Video Filter Driver | 8 MHz | 3.3~5.5V | 8KV | SC70-5 | Set Top Box |
| CXVD3320B | 1 Channel 5th Order Standard Definition Video Filter Driver | 8 MHz | 3.3~5.5V | 8KV | SC70-5 | Set Top Box |
| CXVD3321 | 3 Channel 6th Order High Definition Video Filter Driver | 35 MHz | 3.3~5.5V | 8KV | SOP8 | Set Top Box |
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