Re: HCT4051 leakage
"John Larkin" <jjlarkin@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:d47so1h0tsdv3lr2jub84772s11n32aa9i@xxxxxxxxxx
[...]
>
> John
>
A few years ago did a very similar 8 way muxed RTD (4051s), for a motor
control system. Initially ran at 8ma RTD current but on RTD selection
'noticed' a small frequency shift on the opto isolated V to F output.
Eventually traced to RTD heating, so dropped the constant current to 2ma.
The spec was nowhere near to what you are resolving to so this aspect is
probably of no consequence.
regards
john
.
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