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OP491GS-REEL

OP491GS-REEL Description

The OP491GS-REEL is a general-purpose operational amplifier (op-amp) from Analog Devices Inc., designed for a wide range of applications requiring reliable and efficient signal processing. This quad-channel op-amp is packaged in a surface-mount configuration, specifically in a Tape & Reel (TR) format, making it suitable for automated assembly processes. The OP491GS-REEL operates over a wide supply voltage range, from 2.7 V to 12 V, and features a low supply current of 260 µA across all four channels, ensuring high efficiency and minimal power consumption.

OP491GS-REEL Features

• Wide Supply Voltage Range: The OP491GS-REEL can operate from a supply voltage as low as 2.7 V up to 12 V, providing flexibility in various power supply configurations.
• Low Supply Current: With a supply current of only 260 µA across four channels, this op-amp is highly efficient, making it suitable for battery-powered and low-power applications.
• General-Purpose Amplifier: Designed for a broad range of applications, the OP491GS-REEL offers a gain bandwidth product of 3 MHz and a slew rate of 0.5 V/µs, ensuring high performance in signal processing tasks.
• Low Input Bias Current: The low input bias current of 30 nA minimizes the loading effect on the input signal source, preserving signal integrity.
• Low Input Offset Voltage: With an input offset voltage of 80 µV, the OP491GS-REEL ensures high accuracy in signal amplification, making it ideal for precision applications.
• High Output Current: Each channel can drive up to 16 mA, allowing the op-amp to drive moderate loads directly without additional buffering.
• Surface-Mount Packaging: The surface-mount package type facilitates easy integration into compact and high-density PCB designs.
• Moisture Sensitivity Level (MSL) 1: The OP491GS-REEL is rated for unlimited exposure to moisture, ensuring reliability in various environmental conditions.

OP491GS-REEL Applications

The OP491GS-REEL is well-suited for a variety of applications where general-purpose signal processing and amplification are required. Its wide supply voltage range and low power consumption make it ideal for portable and battery-powered devices. The low input bias current and low input offset voltage ensure high accuracy, making it suitable for precision instrumentation and measurement systems. Some specific use cases include:

• Consumer Electronics: Ideal for audio signal processing, sensor interfacing, and general analog signal conditioning in portable devices.
• Industrial Control Systems: Suitable for signal conditioning in sensors and actuators, providing reliable and efficient signal amplification.
• Medical Equipment: Can be used in medical devices where precision and low power consumption are critical, such as in portable diagnostic tools.
• Automotive Applications: Applicable in automotive electronics for signal processing in various sensors and control systems.

Conclusion of OP491GS-REEL

The OP491GS-REEL from Analog Devices Inc. is a versatile and efficient general-purpose op-amp designed for a wide range of applications. Its wide supply voltage range, low supply current, and high performance make it an excellent choice for both low-power and precision applications. While the product is now obsolete, its unique features and advantages over similar models continue to make it a valuable component for existing designs and legacy systems. The surface-mount packaging and moisture sensitivity level rating further enhance its reliability and ease of integration into modern electronic designs.