Multiformat HDTV Encoder with Three 11-Bit DACs

GENERAL DESCRIPTION The ADV7197 is a triple, high-speed, digital-to-analog encoder on a single monolithic chip. It consists of three high-speed video D/A converters with TTL-compatible inputs. The ADV7197 has three separate 10-bit-wide input ports that accept data in 4:4:4 10-bit YCrCb or RGB, o

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多格式高清电视编码器，内置3个11位DAC

ADV7197是一款ADI公司出品的三通道高速数模高清视频转换器。\n\n ADV7197可将任何标准的YCrCb高清电视视频信号转换成与EIA770.3标准兼容的模拟分量高清电视视频信号，支持4:4:4 RGB输入和RS-170/RS343-A兼容输出。\n\nADV7197包括三个11位DAC，能输出4.33 mA和2.66 mA电流。\n\n可编程特性包括：一个格子信号测试码发生器、一个统一型场/帧测试码发生器、亮度延迟、色度延迟和VBI。\n\nADV7197的工作模式通过串行双向 I2C端口进行设置。\n\n ADV7197采用52引脚PQFP封装，要求使用+5V或+3.3V电源。\ • YCrCb，2 × 10位(4:2:2)或3 × 10位(4:4:4)格式，符合SMPTE274M (1080i)、SMPTE296M (720p)和采用异步时序模式的任何其他高清标准\n\n• RGB，3 × 10位4:4:4格式\n\n• YPrPb高清电视(EIA-770.3)\n\n• RGB电平符合RS-170和RS-343A标准\n\n• 11位 + 同步(DAC A)\n\n• 11位DAC (DAC B, C)\n\n• 内部测试码发生器，内置色彩控制功能\n\n\n\n• Y/C延迟(±)\n\n• 各DAC具有独立开关控制\n\n• VBI开路控制\n\n• I2C滤波;

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Multiformat HDTV Encoder with Three 11-Bit DACs

GENERAL DESCRIPTION The ADV7197 is a triple, high-speed, digital-to-analog encoder on a single monolithic chip. It consists of three high-speed video D/A converters with TTL-compatible inputs. The ADV7197 has three separate 10-bit-wide input ports that accept data in 4:4:4 10-bit YCrCb or RGB, o

文件：229.48 Kbytes 页数：20 Pages

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Multiformat HDTV Encoder with Three 11-Bit DACs

文件：252.35 Kbytes 页数：20 Pages

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