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What is the difference between CMOS and bipolar op-amps?

bipolar CMOS op-amps
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What is the difference between CMOS and bipolar op-amps?

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CMOS op-amps, due to their construction, feature exceedingly small input bias current (on the order of pA/fA) and low power consumption, making them ideal for low voltage logic IC peripheral circuitry and sensor applications requiring low input bias current. Additional characteristics include input/output full swing operation with a dynamic range between ground level and the supply voltage. Bipolar op-amps feature high voltage resistance and broad operating voltage range, making them compatible with a wide variety of applications. In addition, the element matching precision is generally superior to CMOS op-amps, resulting in a smaller input offset voltage. However, the input bias current (based on the transistor Base current) will increase. Bipolar op-amps also display better element noise characteristics then their CMOS counterparts.

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ical Notes Voltage Detector IC Standard CMOS Voltage Detector IC Series Free Delay

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