后级电路是OPA541,前级电路输出电流很小,应该无法驱动OPA541,我需要一个运放放在前级电路后用来驱动OPA541,请问有哪些合适的运放?
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后级电路是OPA541,前级电路输出电流很小,应该无法驱动OPA541,我需要一个运放放在前级电路后用来驱动OPA541,请问有哪些合适的运放?