MCP6491T-E/OTVAO

Instrumentation, Op Amps, Buffer Amps Overview

The MCP6491T-E/OTVAO is a single-channel operational amplifier from the MCP6491 family, manufactured by Microchip Technology. It features a gain bandwidth product of 7.5 MHz and a slew rate of 6 V/µs. The device operates on a supply voltage range of 2.4V to 5.5V with a typical quiescent current of 530 µA per amplifier. Key electrical characteristics include a maximum input offset voltage of ±1.5 mV and low input bias current of 150 pA at +125°C. It supports rail-to-rail input and output operation, ensuring unity gain stability without phase reversal.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Rail-to-rail input and output capability for extended signal swing
• Low-input bias current suitable for high-impedance sources
• Unity gain stable design with no phase reversal
• Extended temperature range operation from -40°C to +125°C

Instrumentation, Op Amps, Buffer Amps Applications

• Photodiode Amplifier
• pH Electrode Amplifier
• Low Leakage Amplifier
• Piezoelectric Transducer Amplifier
• Active Analog Filter

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'VAO' against official documentation to confirm environmental compliance or packaging variations. Ensure the operating conditions match the specified voltage and temperature ranges. Confirm pinout compatibility with the SOT-23-5 package before integration into the PCB layout.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component for applications requiring low power consumption combined with precision amplification. The low input bias current makes it ideal for interfacing with high-impedance sensors. Consider the 7.5 MHz bandwidth when designing active filters or signal conditioning circuits that require moderate speed.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the MCP6491/2/4 family of low-input bias current operational amplifiers. The family includes single, dual, and quad configurations. All devices are designed using an advanced CMOS process and are fully specified in the extended temperature range. They are optimized for battery-powered signal conditioning and photodetector applications.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

MCP6481T-E/OT: 4 MHz, Low-Input Bias Current Op Amps

Instrumentation, Op Amps, Buffer Amps FAQ

Does the MCP6491 exhibit phase reversal?

No, the MCP6491 is designed to prevent phase reversal even when input pins exceed the supply voltages.

What is the common mode input voltage range?

The common mode input voltage range extends from VSS - 0.3V to VDD + 0.3V.