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| LMC6492 Datasheet, PDF (18/28 Pages) National Semiconductor (TI) – CMOS Rail-to-Rail Input and Output Operational Amplifier | |||
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LMC6492, LMC6494
SNOS724D â AUGUST 2000 â REVISED MARCH 2013
Application Circuits
www.ti.com
Where: V0 = V1 + V2 â V3 â V4
(V1 + V2 ⥠(V3 + V4) to keep V0 > 0VDC
Figure 63. DC Summing Amplifier (VIN ⥠0VDC and VO ⥠VDC
For
(CMRR depends on this resistor ratio match)
As shown: VO = 2(V2 â V1)
Figure 64. High Input Z, DC Differential Amplifier
Figure 65. Photo Voltaic-Cell Amplifier
18
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