MCP6V91UT-E/OT

Instrumentation, Op Amps, Buffer Amps Overview

The MCP6V91UT-E/OT is a single-channel, zero-drift operational amplifier from Microchip Technology. It features input offset voltage correction for high DC precision, with a maximum input offset voltage of ±9 µV and drift of ±17 nV/°C at 5.5 V supply. The device offers a gain bandwidth product of 10 MHz and unity-gain stability. It operates on a single supply voltage ranging from 2.4 V to 5.5 V, drawing a typical quiescent current of 1.1 mA per amplifier. Key specifications include a slew rate of 9.5 V/µs, rail-to-rail input and output capabilities, and enhanced EMI protection with an EMIRR of 93 dB at 1.8 GHz.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Provides input offset voltage correction to achieve very low offset and minimal offset drift across temperature variations.
• Features enhanced electromagnetic interference (EMI) protection to minimize external interference in sensitive applications.
• Operates with a wide single-supply voltage range from 2.4 V to 5.5 V while maintaining rail-to-rail input and output performance.

Instrumentation, Op Amps, Buffer Amps Applications

• Portable instrumentation
• Sensor conditioning
• Temperature measurement
• DC offset correction
• Medical instrumentation

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific ordering suffix 'E/OT' corresponds to the SOT-23-5 package and extended temperature grade (-40°C to +125°C). Confirm that the datasheet revision matches the required design specifications. Ensure compatibility with the intended PCB footprint for the SC70 or SOT-23 form factor if applicable to the variant. Cross-reference the manufacturer's latest documentation for any updates to electrical characteristics or recommended operating conditions.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when high DC precision is required without frequent calibration due to its zero-drift architecture. It is suitable for battery-powered designs given the moderate quiescent current and wide supply voltage range. Consider the 10 MHz bandwidth and slew rate for signal processing speeds. The rail-to-rail I/O simplifies interface design with low-voltage ADCs and DACs. Evaluate EMI susceptibility in the application environment to leverage the built-in rejection features.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the MCP6V91/1U/2/4 family of zero-drift operational amplifiers designed using an advanced CMOS process. The family includes single, dual, and quad channel variants. The MCP6V91 is the single-channel version, optimized for applications requiring high precision and low noise. It shares core architectural features with other members like the MCP6V81 and MCP6V71 but offers higher bandwidth.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

MCP6V91U-E/OT

Instrumentation, Op Amps, Buffer Amps FAQ

What is the typical input offset voltage for the MCP6V91UT-E/OT?

The typical input offset voltage is 0 µV, with a maximum specified value of ±9 µV at 25°C.

Does the MCP6V91UT-E/OT have a shutdown pin?

No, the standard MCP6V91 does not feature a shutdown pin; it is continuously active when powered within the specified voltage range.

What is the EMI rejection ratio at 1.8 GHz?

The EMI Rejection Ratio (EMIRR) is typically 93 dB at 1.8 GHz, providing robust protection against high-frequency interference.