Tag Archives: op-amps

Single Supply Op Amps

NonInvert

When working with a unipolar (0-Vcc, as opposed to bipolar +/-Vcc) supply, certain design considerations must be made.  For instance, the 411 is no longer a viable choice for an op-amp.  Recall that the ouptut of the 411 only gets within about 1.5 volts of the power supply (and this …

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Combining and Selecting Resistor and Capacitor Values on op-amps

Combining and Selecting Resistor

Combining and Selecting Resistor and Capacitor Values on op-amps   Combining Op-Amp Stages Combining op-amp stages to save money and board space is possible in some cases, but it often leads to unavoidable interactions between filter response characteristics, offset voltages, noise, and other circuit characteristics. The designer should always begin …

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