LMP8645: similar part with ref voltage input

Adam Daluga

Part Number: LMP8645
Other Parts Discussed in Thread: LMP8481, , INA240

Hello,

I’m looking at using the LMP8645/8640, but it lacks the reference input of the LMP8481.

Is there a similar part that has a reference voltage input? This would allow us to do bi-directional current measurements.

Thanks,
Adam

over 2 years ago

0 Javier Contreras4 over 2 years ago

TI__Mastermind 29850 points

Hello Adam,

If you are needing the speed we have the INA241 and the INA296 that are currently in preview mode. You can also see the INA240 that is released but does not have the same bandwidth but is close. The list of bi-directional devices if would like to look at other devices like ones with comparators or digital. I normally use this parametric search to find or narrow down options.

https://www.ti.com/amplifier-circuit/current-sense/products.html#p2192=Bi-directional

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LMP8645: similar part with ref voltage input