LTC2051IMS8#TRPBF

Instrumentation, Op Amps, Buffer Amps Overview

The LTC2051IMS8#TRPBF is a dual zero-drift operational amplifier manufactured by Analog Devices Inc. It features a maximum input offset voltage of 3μV and a maximum drift of 30nV/°C. The device operates on a single supply from 2.7V to ±5.5V with a typical supply current of 0.75mA per amplifier. Key electrical parameters include a gain-bandwidth product of 3MHz, a slew rate of 2V/μs, and a typical noise of 1.5μVP-P (0.01Hz to 10Hz). It offers high PSRR and CMRR of 130dB and functions within an operating temperature range of –40°C to 125°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Zero-drift architecture utilizing autozeroing circuitry for minimal DC offset and drift
• Rail-to-rail output capability supporting loads down to 2kΩ
• Extended common-mode input range extending to the negative supply rail
• Integrated shutdown pin for low-power standby operation

Instrumentation, Op Amps, Buffer Amps Applications

• Thermocouple amplifiers
• Electronic scales
• Medical instrumentation
• Strain gauge amplifiers
• High resolution data acquisition systems

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify that the ordering suffix #TRPBF corresponds to the lead-free tape and reel packaging format specified in the datasheet. Confirm the IMS8 designation matches the 8-lead plastic MSOP package outline. Ensure the 'I' grade aligns with the required –40°C to 85°C specified temperature range for your application environment.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when ultralow offset voltage and drift are critical requirements. The dual configuration provides two independent channels in a compact footprint. Consider the 3MHz bandwidth and 2V/μs slew rate for signal conditioning applications requiring moderate speed. Verify that the 2.7V minimum supply voltage meets the system power constraints.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the LTC2051/LTC2052 family of precision zero-drift operational amplifiers. The IMS8 variant specifically denotes the industrial temperature grade version housed in an 8-lead MSOP package. It shares architectural similarities with the LTC2050 but offers dual-channel integration.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

LTC2051CMS8#TRPBF

Instrumentation, Op Amps, Buffer Amps FAQ

How does the internal sampling frequency affect the output?

The internal autozeroing sampling frequency is typically 7.5kHz. This can result in clock feedthrough at the output, which can be mitigated by minimizing source resistance or placing a capacitor across the feedback resistor.

What is the behavior of the input bias current at elevated temperatures?

Above 70°C, leakage currents from ESD protection diodes increase the input bias current in the positive direction. Above 85°C, this leakage dominates, causing both input pins to exhibit positive-direction bias currents.