How of current analog output more than 2mA

Hi, I have designed a simple PID loop to control the input of a device voltage. My camera has an Ohm resistance. I found that being controlled input voltage may not exceed 0.6V, then I realized that the maximum output current is my 6211 NI DAQ 2mA. But I really need more 2mA (Max is 10mA). I tried to use a voltage follower because it has high impedance imput and low output impedance, but it does not work. Could someone tell me a method to solve the problem?

Thank you.

CJL

100nF caps | with 10µF,.

R optional...

What OP do you currently use?

Without this connection GND current can flow so you will stick to 0.6V as without a driver.

Tags: NI Hardware

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