OP491GS

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OP491GS

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IC OPAMP GP 4 CIRCUIT 14SOIC

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仕様

属性 値
Part Status Obsolete
Amplifier Type Standard (General Purpose)
Number of Circuits 4
Output Type Rail-to-Rail
Slew Rate 0.5V/µs
Gain Bandwidth Product 3 MHz
Current - Input Bias 30 nA
Voltage - Input Offset 80 µV
Supply Current 260µA (x4 Channels)
Current - Output / Channel 16 mA
Voltage - Supply Span (Min) 2.7 V
Voltage - Supply Span (Max) 12 V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 14-SOIC (0.154", 3.90mm Width)
Supplier Device Package 14-SOIC
Base Product Number OP491

概要

Description

OP491GS is a high-performance operational amplifier known for its precision and low noise characteristics. It features a wide bandwidth and low input offset voltage, making it suitable for applications requiring high accuracy and stability. With a high slew rate and low distortion, the OP491GS is ideal for audio processing, sensor signal conditioning, and data acquisition systems.
This op-amp operates on a dual supply voltage, which enhances its versatility in various circuit designs. Its compatibility with a range of operating conditions allows for use in both consumer and industrial applications.
The device is often praised for its ease of integration into existing systems, thanks to its standard package options and pin configuration. Overall, the OP491GS is a reliable choice for engineers seeking robust performance in their electronic designs.

Equivalent

The OP491GS is a precision op-amp from Analog Devices. Equivalent products include the LM358 from Texas Instruments, the TLV2371 from Texas Instruments, and the MCP6001 from Microchip. Additionally, the AD8521 from Analog Devices and the OPA2134 from Texas Instruments can also serve as alternatives, depending on specific application requirements like bandwidth and supply voltage. Always verify specifications for compatibility in your application.

Features

The OP491GS is a high-performance operational amplifier known for its precision and versatility. Key features include:
1. Dual Supply Operation: Supports a wide supply range, enhancing flexibility in various applications.
2. Low Offset Voltage: Ensures high accuracy with minimal offset, critical for precision circuits.
3. High Slew Rate: Allows for fast signal processing, making it suitable for high-speed applications.
4. Wide Bandwidth: Offers a high gain-bandwidth product for effective amplification of high-frequency signals.
5. Low Noise: Minimizes interference and distortion, ideal for sensitive applications.
6. Rail-to-Rail Output: Provides maximum output swing, improving signal utilization.
7. Low Power Consumption: Efficient operation helps in battery-powered and energy-sensitive applications.
8. Temperature Stability: Maintains performance across a wide temperature range, ensuring reliability in various environments.
These features make the OP491GS suitable for applications in instrumentation, audio processing, and data acquisition systems.

Pinout

The OP491GS is a precision, low-noise operational amplifier with a pin count of 8. The functions of its pins are as follows:
1. Pin 1 (Offset Null): Used for offset adjustment.
2. Pin 2 (Inverting Input): The input for the inverting signal.
3. Pin 3 (Non-Inverting Input): The input for the non-inverting signal.
4. Pin 4 (V- or Negative Supply): Connects to the negative power supply.
5. Pin 5 (Output): The output of the operational amplifier.
6. Pin 6 (V+ or Positive Supply): Connects to the positive power supply.
7. Pin 7 (NC): No connection; not used.
8. Pin 8 (Compensation): Used for frequency compensation, typically connected to V-.
The OP491GS features a wide supply range, low offset voltage, and high open-loop gain, making it suitable for various precision applications.

Manufacturer

The OP491GS is manufactured by Analog Devices, Inc. Analog Devices is a global company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company is headquartered in Norwood, Massachusetts.
Analog Devices designs and manufactures a wide range of products used in various applications, including automotive, industrial, communications, and consumer electronics. They focus on providing innovative solutions that enhance performance, efficiency, and reliability in electronic systems. The OP491GS itself is a precision, low-noise operational amplifier, notable for its high speed and wide bandwidth, making it suitable for applications requiring high accuracy and fast signal processing.
The company is recognized for its commitment to quality and performance, and it serves a diverse customer base, including major players in the electronics industry.

Application

The OP491GS is a low-noise, precision operational amplifier commonly used in various applications, including:
1. Signal Conditioning: Amplifying weak signals from sensors.
2. Data Acquisition Systems: Enhancing signal integrity in measurement systems.
3. Medical Instruments: Used in equipment like ECG and EEG for accurate signal processing.
4. Audio Applications: Improving audio signals in mixing and processing.
5. Instrumentation: Employed in test and measurement devices for precise readings.
6. Filter Circuits: Used in active filters for signal processing tasks.
7. Industrial Control Systems: Ensuring accurate signal amplification for control algorithms.
Its low offset voltage and high precision make it suitable for these applications.

Package

The OP491GS is packaged in a small-outline integrated circuit (SOIC) package, specifically a 8-lead SOIC. This type of package is compact and suitable for surface-mount applications.

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