LMV331-Q1: VICR for 3.3V supply

Piotr F.

Intellectual 2940 points

Part Number: LMV331-Q1
Other Parts Discussed in Thread: TL331LV-Q1

Tool/software:

TI Team,

Waht is LMV331QDBVRQ1 VICR for 3.3V single supply operation condition?

I ask as device datasheet provide VICR for 5V single supply only....

over 1 year ago

0 Clemens Ladisch over 1 year ago

Guru 319020 points

The distance to the positive supply rail is 0.7 V with a 2.7 V supply, and 0.8 V with a 5 V supply. You could use linear interpolation, or just use 3.3 V − 0.8 V = 2.5 V to be safe.

0 Ron Michallick over 1 year ago

TI__Guru**** 168276 points

Piotr,

Alternative comparator TL331LV-Q1 is rail to rail input. It is a different pinout which shouldn't be a problem if the layout isn't set yet.

TLV9020-Q1 is available in in same pinout.

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LMV331-Q1: VICR for 3.3V supply