May 18, 2011 #1 K klick Junior Member level 1 Joined Dec 14, 2008 Messages 18 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,419 hi, i use the LMH6551 like the schematic attached. with power 12V the LMH6551 burns and Vcm goes at 11V. i do not understand whi this appens,because in the datasheet the maximun supply voltage is 13.2V anyone as any idea? thanks Attachments circuit.pdf 12.4 KB · Views: 73
hi, i use the LMH6551 like the schematic attached. with power 12V the LMH6551 burns and Vcm goes at 11V. i do not understand whi this appens,because in the datasheet the maximun supply voltage is 13.2V anyone as any idea? thanks
May 18, 2011 #2 keith1200rs Super Moderator Staff member Joined Oct 9, 2009 Messages 10,865 Helped 2,065 Reputation 4,130 Reaction score 1,597 Trophy points 1,403 Location Yorkshire, UK Activity points 57,270 What voltage have you driven to Vcm? It cannot be left floating, I think. Keith.