Thank you David. Makes good sense. -Chuck
---- Original Message ----
From: "David Forbes" <nixiebu...@gmail.com>
Sent: 4/1/2021 10:03:25 AM
To: "NeoNixie" <neonixie-l@googlegroups.com>
Subject: Re: [neonixie-l] LM-324 op amp
The standard way is to connect it as a unity gain buffer. Connect the
non inverting input to Gnd and connect the inverting input to the output.
On Thu, Apr 1, 2021, 5:53 AM chuckrr <chuc...@all2easy.net>
wrote:
What is standard procedure for tying off unused op-amp inputs?
If for instance there is a circuit which uses only (2) of the
(4) available op-amps in a DIP package,
what is the normal protocol for dealing with these unused units?
Can the unused inputs just be left floating? Doing do on an
LM-324 runs the output at around 7.45 volts
when the chip is operating from a single 9 volt supply. Does
doing this draw more current than tying off inputs to GND?
Thanks, Chuck
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