新解密LM1881M单片机的产品特性信息

来源： kaiyun平台官网登录 服务。以下是此次LM1881M芯片技术特性简介：
　General Description
　　The LM1881 Video sync separator extracts timing information including composite and vertical sync, burst/back porch timing, and odd/even field information from standard negative going sync NTSC, PAL* and SECAM video signals with amplitude from 0.5V to 2V p-p. The integrated circuit is also capable of providing sync separation for non-standard, faster horizontal rate video signals. The vertical output isproduced on the rising edge of the first serration in the vertical sync period. A default vertical output is produced after a time delay if the rising edge mentioned above does not occur within the externally set delay period, such as might be the case for a non-standard video signal.
　　Features
　　· AC coupled composite input signal
　　· >10 kΩ input resistance
　　· <10 mA power supply drain current
　　· Composite sync and vertical outputs
　　· Odd/even field output
　　· Burst gate/back porch output
　　· Horizontal scan rates to 150 kHz
　　· Edge triggered vertical output
　　· Default triggered vertical output for non-standard video signal (video games-home computers)
　　· -40°C to +85°C operation (LM1881-X)
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