OP4177ARU

Instrumentation, Op Amps, Buffer Amps Overview

The OP4177ARU is a quad precision operational amplifier from the Analog Devices OPx177 family, housed in a 14-lead TSSOP package. It features a gain bandwidth product of 1.3 MHz and a slew rate of 0.7 V/µs. 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 characteristics include an input offset voltage of up to 75 µV, input bias current of 2 nA, and common-mode rejection ratio exceeding 120 dB.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Unity-gain stable operation without phase reversal issues even when inputs exceed supply rails.
• Internal overvoltage protection allows input signals to remain several volts beyond either supply without damage.
• Outputs remain stable driving capacitive loads exceeding 1000 pF without requiring external compensation components.

Instrumentation, Op Amps, Buffer Amps Applications

• Precision diode power measurement circuits
• Optical and wireless transmission level detection systems
• Thermocouple and RTD signal conditioning
• Strain bridge sensor interfaces
• High-precision active filter implementations

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'RU' confirms the 14-lead TSSOP package configuration against the official datasheet. Confirm RoHS compliance status as manufacturing revisions may alter material specifications. Ensure the operating temperature range meets the required -40°C to +125°C specification for the target application environment before finalizing procurement.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when multiple high-precision channels are required within a compact surface-mount footprint. The low supply current makes it suitable for battery-operated or thermally constrained portable instruments. Consider the internal input protection if the circuit design involves potential overvoltage transients at the input terminals.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the OPx177 series, which provides industry-standard precision performance in modern surface-mount packages. The quad configuration consolidates four independent amplifiers into a single 14-pin form factor, replacing older through-hole SOIC options while maintaining identical electrical specifications across all package variants.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

The OP4177ARZ serves as the equivalent leaded alternative using a 14-lead narrow SOIC package. Both parts share identical pinouts and electrical performance parameters. Verify that the PCB layout supports the specific thermal and mechanical requirements of the chosen package style.