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  • Maintain Input impedance when Amplified is not powered

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    Other Parts Discussed in Thread: LMC8101 , OPA2341 , LMC6001 , LPV521 , LPV531 , LMC6442 , LMV341-N , LMV601 Hello, I am using LMC6572 op amps, and need to maintain low input current ( <1pA) even when the circuit is not powered. As it is now, current flows…
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  • LM146

    Other Parts Discussed in Thread: LPV531 , TLC251 , TLC271 We have been using the LM146J Programmable Quad Bipolar Operational Amplifier for years in various products. However the part appears to be obsolete. In a number of situations we cannot get away with…

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