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Opamp Buffer

Shihab
Expert 1225 points
Other Parts Discussed in Thread: OPA188

Hi,

I have designed a buffer based on OPA188 to drive the loads as shown below. The Ltspice simulation file is attached.

I am seeing a 5mV ripple at the output. Is there any way to remove this ripple without using two separate buffer circuits [ie. one buffer circuit compensated to drive the 2uF capacitor load (LOAD_1) and another buffer to drive the resistive load(LOAD_2)].

Thanks.Buffer.zip