ywguo
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Hi Steve,
There must be more specs than the DC gain. So your choice of the channel length is a compromise of all specifications. Does the current channel length result in a good balance between power, speed, gain, area, mismatch, noise, and so on? If the answer is YES, it's fine. Anyway, the deep sub-micron technology is optimized for digital design, not for analog.
Best Regards, Yawei
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