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CA5420A - 0.5MHz/ Low Supply Voltage/ Low Input Current BiMOS Operational Amplifiers

Key Features

  • gateprotected PMOS transistors in the input circuit to provide very high input impedance, very low input currents (less than 1pA). The internal bootstrapping network features a unique guardbanding technique for reducing the doubling of leakage current for every 10oC increase in temperature. The CA5420A operates at total supply voltages from 2V to 20V either single or dual supply. This operational amplifier is internally phase compensated to achieve stable operation in the unity gain follower confi.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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CA5420A Data Sheet September 1998 File Number 1925.4 0.5MHz, Low Supply Voltage, Low Input Current BiMOS Operational Amplifiers The CA5420A is an integrated circuit operational amplifier that combines PMOS transistors and bipolar transistors on a single monolithic chip. It is designed and guaranteed to operate in microprocessor logic systems that use V+ = 5V, V- = GND, since it can operate down to ±1V supplies. It will also be suitable for 3.3V logic systems. The CA5420A BiMOS operational amplifier features gateprotected PMOS transistors in the input circuit to provide very high input impedance, very low input currents (less than 1pA).