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AD8009 Latch-Up

Question asked by AndreeDD on Feb 24, 2011
Latest reply on Feb 25, 2011 by AndreeDD

I realized that the AD8009 has an latch-up effect (for gain=2, 100 Ohm load at more than 7.2 Vpp with +/-5V supplies). Only removing the input signal, switching power supply off, switching power supply on, applying a smaller input signal seems to help. Is there any way to prevent this (I use this amp also with gain=10) ? I cannot guarantee that there is no short transient in the input signal which might drive the amp into latch-up.

From a search it seems this is AD's fastest current feedback amplifier. Is there any other chip which might replace the AD8009 without the latch-up?

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