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OP491GPZ

OP491GPZ Description

The OP491GPZ from Analog Devices Inc. is a high-performance, general-purpose quad operational amplifier designed for precision analog applications. Housed in a 14-pin DIP (Through Hole) package and delivered in a tube, this IC operates over a wide supply voltage range of 2.7V to 12V, making it versatile for both low-voltage and standard industrial systems. With a low input bias current of 30nA and a minimal input offset voltage of 80µV, the OP491GPZ ensures high accuracy in signal conditioning and measurement tasks. Its ROHS3 compliance and REACH unaffected status further underscore its suitability for environmentally conscious designs.

OP491GPZ Features

• Quad-channel architecture: Integrates four independent op-amps in a single package, saving board space and cost.
• Low power consumption: Draws only 260µA per channel, ideal for battery-powered and portable devices.
• High precision: Features 3MHz gain bandwidth product and 0.5V/µs slew rate for stable performance in dynamic applications.
• Robust output drive: Delivers 16mA output current per channel, enabling direct interfacing with ADCs, sensors, and other loads.
• Wide supply range: Supports operation from 2.7V to 12V, accommodating diverse power supply configurations.
• Extended reliability: MSL 1 (Unlimited) rating ensures long-term storage and handling flexibility.

OP491GPZ Applications

The OP491GPZ excels in applications demanding precision, low power, and multi-channel amplification, such as:

• Sensor signal conditioning: Ideal for bridge amplifiers, thermocouples, and strain gauges due to its low offset and bias current.
• Portable instrumentation: Suited for handheld meters and medical devices, leveraging its low supply current.
• Industrial control systems: Robust performance in motor control loops, PLCs, and process monitoring.
• Audio processing: Suitable for active filters and pre-amplifiers with its balanced bandwidth and slew rate.
• Battery management: Efficiently monitors voltage/current in energy storage systems.

Conclusion of OP491GPZ

The OP491GPZ stands out as a reliable, precision quad op-amp combining low power, high accuracy, and multi-channel integration. Its wide voltage range and low noise characteristics make it a preferred choice for engineers designing portable, industrial, and sensor-based systems. With Analog Devices' proven quality and compliance with environmental standards, this IC is a future-proof solution for demanding analog circuits.