P Pagedown New Member Mar 17, 2011 #1 How to use the instrumentation amplifier? Is it a voltage follower? Can it be used for isolation?
ericgibbs Well-Known Member Most Helpful Member Mar 17, 2011 #3 In addition, read thru this pdf. Attachments OP_IAInstruguide1.pdf OP_IAInstruguide1.pdf 522.3 KB · Views: 379
P Pagedown New Member Mar 17, 2011 #4 Thanks you for the information links. I intend to use an op-amp for isolation instead of the isolation transformer. Is there any useful op-amp which can do isolation?
Thanks you for the information links. I intend to use an op-amp for isolation instead of the isolation transformer. Is there any useful op-amp which can do isolation?
P Pagedown New Member Mar 17, 2011 #6 Isolation between a high voltage circuit and low voltage circuit. Because I need to measure line voltages/currents with a MCU.
Isolation between a high voltage circuit and low voltage circuit. Because I need to measure line voltages/currents with a MCU.
MikeMl Well-Known Member Most Helpful Member Mar 17, 2011 #7 Use the transformer on the line side; do the AC to DC conversion on the secondary side.
blueroomelectronics Well-Known Member Mar 17, 2011 #8 Nope, it'll offer zero isolation. If the source is AC use a transformer.