LT1881IS8

Instrumentation, Op Amps, Buffer Amps Overview

The LT1881IS8#PBF is a dual precision operational amplifier featuring rail-to-rail output swing and ultralow input bias currents. It operates on supply voltages from 2.7V to 36V, with full specification from 5V to ±15V. The device offers an offset voltage of 80µV maximum and drift of 0.8µV/°C. Input bias current is limited to 500pA maximum. It provides a gain bandwidth product of 1MHz and a slew rate of 0.35V/µs. The component is housed in an 8-lead plastic SO package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Rail-to-rail output capability for low voltage single-supply operation
• Ultralow input bias current for high impedance source compatibility
• High open-loop voltage gain exceeding one million
• Stable operation with capacitive loads up to 1000pF

Instrumentation, Op Amps, Buffer Amps Applications

• Thermocouple amplifiers
• Bridge transducer conditioners
• Instrumentation amplifiers
• Battery-powered systems
• Photo current amplifiers

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix #PBF indicates lead-free finish and RoHS compliance. Confirm the IS8 designation corresponds to the industrial temperature range of –40°C to 85°C and the 8-lead plastic SO package. Ensure ordering matches the exact pinout and electrical grade requirements for the target application environment.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when high DC precision is required alongside rail-to-rail output swing. The LT1881 offers superior capacitive load driving compared to similar devices like the LT1884 at the cost of slightly reduced speed. Consider the input common mode range limitations which do not extend fully to the rails.

Instrumentation, Op Amps, Buffer Amps Part Context

The LT1881 belongs to a family of dual and quad precision op amps designed for low voltage applications. It shares architectural similarities with the LT1884 and LT1885 but prioritizes lower input bias current and better capacitive load stability over higher slew rates. The series enables high accuracy in battery-operated and single-supply environments.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

LT1884/LT1885 offer higher speed with similar DC specifications but higher input bias current.