OPA990: OPA703NA & OPA990IDBVR

Cooper Zhang1

Part Number: OPA990

Dear：

current， OPA703NA is used in PCB，but I want to replace OPA703NA with OPA990IDBVR directly ，no change schematic， is it ok ? any influence in the function ？

over 3 years ago

0 Ron Michallick over 3 years ago

TI__Guru*** 144986 points

Hello Cooper,

This really depends on how the op amp is used. If offset voltage is critical in the application then OPA990 won't be quite as accurate 1.5mV versus 0.75mV (25C limit). For most applications , no difference will be observed.

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OPA990: OPA703NA & OPA990IDBVR