OP291GSZ

Instrumentation, Op Amps, Buffer Amps Overview

The OP291GSZ is a dual-channel, micropower operational amplifier manufactured by Analog Devices Inc. It features rail-to-rail input and output capabilities, allowing operation with supply voltages ranging from 2.7 V to 12 V. The device offers a gain-bandwidth product of 3 MHz and a slew rate of 0.5 V/µs. Key electrical specifications include an input offset voltage of 80 µV, an input bias current of 30 nA, and a supply current of 260 µA for both channels. It operates within a temperature range of -40°C to +125°C and is housed in an 8-SOIC surface-mount package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Rail-to-rail input and output functionality enables full signal swing across the supply voltage range.
• Micropower architecture provides low supply current consumption suitable for battery-powered applications.
• Wide operating temperature range supports reliable performance in industrial environments.

Instrumentation, Op Amps, Buffer Amps Applications

• Battery-powered instrumentation systems
• Portable medical devices
• Industrial process control loops

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'GSZ' corresponds to the lead-free, RoHS-compliant variant in tube packaging. Confirm the manufacturer is Analog Devices Inc. Cross-reference the DigiKey part number 505-OP291GSZ-ND for accurate identification. Ensure the datasheet matches the OP191/291/491 family specifications.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when dual-channel amplification with rail-to-rail I/O is required under low power constraints. It serves as a drop-in replacement for single-channel OP191 or quad-channel OP491 variants where pin compatibility and package size (SOIC-8) are critical design factors.

Instrumentation, Op Amps, Buffer Amps Part Context

The OP291GSZ belongs to the OP191/291/491 family of micropower, rail-to-rail input/output operational amplifiers. This series is designed for general-purpose applications requiring low power consumption and wide supply voltage operation. The GSZ suffix indicates a lead-free, halogen-free package compliant with RoHS directives.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

The OP291GP is a pin-compatible alternative within the same family. Verify that the package type (SOIC vs. PDIP) and temperature range requirements match the specific application needs before substitution.