ADV7280A: 10-Bit SDTV Video Decoder with Deinterlacer

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"adv7280-datasheet.pdf 是 Analog Devices 公司的 ADV7280A 视频解码器的数据手册,适用于学习和参考。此器件是一款10位、4倍过采样的标准清晰度电视(SDTV)视频解码器,带有去隔行功能。" 在该数据手册中,主要介绍了ADV7280A的关键特性、功能和应用场景。以下是对这些知识点的详细说明: 1. **ADV7280A 视频解码器**: ADV7280A 是一个高性能的视频处理芯片,设计用于支持全球范围内的 NTSC、PAL 和 SECAM 彩色解调,这意味着它能适应不同地区的电视标准。 2. **10-Bit ADC & 4×过采样**: 该解码器采用一个10位模数转换器(ADC),对每个通道进行4倍过采样,以提高图像质量和信号处理精度。过采样有助于减少量化噪声,提高视频质量。 3. **Analog Video Input Channels**: ADV7280A 支持模拟视频输入,包括复合视频(CVBS)、S-视频(Y/C)以及分量视频(YPrPb)。这使得该器件能够处理多种类型的视频输入源。 4. **多通道支持**: 根据型号不同,ADV7280A 提供多达4个输入通道,而 ADV7280A-M 则提供多达8个输入通道,适合需要处理多个视频源的系统。 5. **自动检测功能**: 具有 NTSC、PAL 和 SECAM 自动检测功能,意味着解码器可以自动识别输入视频的制式,无需手动设置。 6. **去隔行处理**: 内置的去隔行功能能够将隔行扫描的视频转换为逐行扫描,提升视频流畅性,特别适用于高分辨率显示设备。 7. **其他特点**: ADV7280A 还包含片上抗混叠滤波器,进一步优化了视频信号的质量。此外,手册中还可能涵盖了电源需求、接口选项、功耗、封装尺寸以及电气特性等详细信息。 8. **制造商信息**: Analog Devices 是一家知名半导体公司,提供高质量的模拟、混合信号和数字信号处理集成电路。其产品广泛应用于各类电子设备,包括通信、医疗、工业和消费类电子产品。 9. **技术支持**: 用户可以通过 Analog Devices 的官方网站(www.analog.com)获取技术支援,以解决在使用ADV7280A过程中遇到的问题。 总结,ADV7280A 是一款高度集成的视频解码器,适用于需要高质量视频处理的系统,如电视接收器、视频播放器、监控系统等。其多制式支持、高精度ADC和去隔行功能使其在视频处理领域具有广泛的适用性。
2015-10-19 上传
优势和特点 • 支持全球NTSC/PAL/SECAM色彩解调 • 一个10位模数转换器(ADC),每通道4倍过采样适用于CVBS、Y/C和YPrPb模式 • 模拟视频输入通道,片内集成抗混叠滤波器 ADV7280: 最多4路输入通道 ADV7280-M: 最多8路输入通道 • 视频输入支持CVBS(复合)、Y/C(S视频)和YPrPb(分量) • NTSC/PAL/SECAM自动检测 • 高达1.47 V的共模输入范围解决方案 • 出色的共模噪声抑制能力 • 5线式自适应2D梳状滤波器和CTI/DNR视频增强特性 • 自适应数字线路长度跟踪(ADLLT)、信号处理和增强FIFO管理可提供Mini时基校正(TBC)功能 产品详情 ADV7280/ADV7280-M是功能丰富的单芯片、多格式视频解码器。ADV7280/ADV7280-M可自动检测标准模拟基带视频信号,兼容复合、S视频和分量视频形式的NTSC、PAL和SECAM全球标准信号。 ADV7280可将模拟视频信号转换为4:2:2分量视频数据流,其与8位ITU-R BT.656接口标准兼容。ADV7280-M可将模拟视频信号转换为兼容移动工业处理器接口(MIPI®) CSI-2(8位YUV)的输出视频流。 ADV7280/ADV7280-M的模拟视频输入端支持单端信号。ADV7280提供4个模拟输入,而ADV7280-M提供8个模拟输入。ADV7280和ADV7280-M支持I2P转换。 ADV7280/ADV7280-M通过双线式串行双向端口(I2C兼容型)进行编程,并且采用1.8 V CMOS工艺制造。该解码器提供LFCSP封装选项,非常适合空间受限的便携式应用。 应用 • 智能电话/多媒体手机 • • 汽车信息娱乐 • 支持视频安全监控的DVR • 媒体播放器 QQ:794843349

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2023-06-07 上传