OP1177ARZ-REEL

Instrumentation, Op Amps, Buffer Amps Overview

The OP1177ARZ-REEL is a single-channel precision operational amplifier from Analog Devices, packaged in an 8-lead SOIC_N surface-mount configuration. It features a maximum input offset voltage of 60 μV and a drift of 0.7 μV/°C. The device operates on dual supplies ranging from ±2.5 V to ±15 V with a supply current of 400 μA per amplifier. Key electrical parameters include a gain bandwidth product of 1.3 MHz, a slew rate of 0.7 V/μs, and a common-mode rejection ratio exceeding 120 dB.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Internal input protection allows signal levels several volts beyond either supply without phase reversal.
• Outputs remain stable with capacitive loads exceeding 1000 pF without requiring external compensation.
• Low power consumption reduces dissipation by a factor of four compared to previous generation amplifiers.
• Specified for operation across the widest temperature range of any high precision amplifier in surface-mount packaging.

Instrumentation, Op Amps, Buffer Amps Applications

• Precision diode power measurement
• Thermocouple, RTD, and strain-bridge sensor signal conditioning
• Optical and wireless transmission level detection
• Line-powered and portable instrumentation controls

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and reel specifications. Ensure compatibility with the required operating temperature range and verify that the component meets RoHS compliance standards before integration into the final design.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when low offset voltage and drift are critical alongside low power consumption. The internal overvoltage protection simplifies circuit design by eliminating the need for external series resistors for moderate overvoltage conditions. Verify that the 1.3 MHz bandwidth aligns with the application's frequency requirements.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the OPx177 family, which includes single (OP1177), dual (OP2177), and quad (OP4177) amplifier variants. The family represents a fourth-generation improvement over industry-standard OP07 amplifiers, offering superior performance in a compact surface-mount footprint while maintaining high precision characteristics.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Public confirmed substitute part numbers: MS81868.

Instrumentation, Op Amps, Buffer Amps FAQ

Does the OP1177 exhibit output phase reversal?

No, the OP1177 is immune to phase reversal problems even at input voltages beyond the supply rails.

How does the OP1177 handle input overvoltage?

Internal protective circuitry allows voltages up to 2.5 V beyond the supplies to be applied at the input terminals without harmful effects.