LT1112IS8

Instrumentation, Op Amps, Buffer Amps Overview

The LT1112IS8 is a dual low power precision operational amplifier manufactured by Analog Devices Inc. It features an industrial temperature range of -40°C to +85°C and is housed in an 8-lead plastic SOIC (S8) package. Key electrical specifications include a maximum input offset voltage of 75µV, a maximum input bias current of 280pA, and a supply current of 450µA per amplifier. The device offers a gain-bandwidth product of 750kHz, a slew rate of 0.30V/µs, and a common mode rejection ratio of 136dB.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Provides matched specifications between amplifiers for instrumentation applications
• Operates with supplies as low as ±1.0V
• Features picoampere-level input bias currents
• Includes guaranteed matching parameters such as CMRR and PSRR

Instrumentation, Op Amps, Buffer Amps Applications

• Picoampere/microvolt instrumentation
• Two and three op amp instrumentation amplifiers
• Thermocouple and bridge amplifiers
• Low frequency active filters
• Photo current amplifiers

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific IS8 suffix indicates the industrial temperature grade (-40°C to +85°C). Confirm the S8 package designation matches the required surface mount footprint. Ensure compatibility with the intended supply voltage range and load conditions before finalizing procurement.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when high DC precision and low power consumption are required simultaneously. The guaranteed matching characteristics make it suitable for circuits where inter-amplifier performance consistency is critical. Consider the narrow SOIC package for space-constrained designs compared to wider competitor packages.

Instrumentation, Op Amps, Buffer Amps Part Context

The LT1112 is part of the LT1112/LT1114 family of low power precision op amps. It serves as a direct replacement for older precision amplifiers like the OP-297 and AD706 in dual configurations. The series emphasizes optimizing performance in cost-effective plastic packages while maintaining high precision metrics.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

LT1112CN8#PBF

Instrumentation, Op Amps, Buffer Amps FAQ

Does the LT1112IS8 support input voltages exceeding the supply rails?

Yes, the inputs can handle voltages equal to the supply voltages without damage, though exceeding them by more than a diode drop is not recommended.

What is the typical input noise voltage density at 1kHz?

The typical input noise voltage density at 1kHz is 18nV/√Hz.