消费电子
最近正在研究ad810，ad811，ad4851 视频放大类产品。
现有计算机显卡输出VGA线较长（3米），为了改善信号质量，想设计单片8120线路（无8122），通过电位器调节达到预期效果，可否？
一般AD810只能配合8122使用么？
VGA的地怎么处理能更好的避免干扰？
另外，AD8120的固定增益为2，那么输出VGA信号需要再衰减1/2才可以么？
谢谢
Hi Tim,
For the LT1006, I think the ADA4638-1 is an excellent part as replacement. ADA4638-1 is a high voltage, high precision, and zero-drift amplifier with rail-to-rail output. It has lower input offset voltage and drift, lower offset current, and…
Hi Jigar,
Just like what you mention, the power dissipation of the part is approximately 400mW, that's why the part is getting hot. To compute the junction temperature we can use this formula: TJ = TA + (θJA)(PD) without considering the power dissipation…