OPA2994: is it OPA2994 can work at vcc=12v and vee=-20v , input 2.4v , and want to get -2.4v*8.2=-19.68v , is it ok ? thanks.

jianjian huang

Part Number: OPA2994

Tool/software:

HI , see the sch , is it OPA2994 can work at vcc=12v and vee=-20v , input 2.4v , and want to get -2.4v*8.2=-19.68v , is it ok ? thanks.

0 Clemens Ladisch 3 months ago

Guru 316780 points

Yes, a total supply voltage of 32 V is OK.

+1 Raymond Zhang1 3 months ago

Hi Jianjian,

jianjian huang said:
is it OPA2994 can work at vcc=12v and vee=-20v , input 2.4v , and want to get -2.4v*8.2=-19.68v , is it ok ? thanks.

Yes, please also see Clemens's comment. OPA2994 is RRIO op amp, and it should be able to meet the requirements.

If you have other questions, please let us know.

Best,

Raymond

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