Linear released a new HV Op Amp... Promising ?
LTC6090 - 140V CMOS Rail-to-Rail Output, Picoamp Input Current Op Amp - Linear Technology
LTC6090 - 140V CMOS Rail-to-Rail Output, Picoamp Input Current Op Amp - Linear Technology
Slow, should be more like 35V~140V/µS for the 140V rating for an audio amp.
Only 10mA drive.
$6 each.
You don't have to use it at 140V.
Who cares get some Darlingtons in there.
That's still not a lot of money.
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