OP285GS

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OP285GS

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IC OPAMP JFET 2 CIRCUIT 8SOIC

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規格

屬性 價值
Part Status Obsolete
Amplifier Type J-FET
Number of Circuits 2
Slew Rate 22V/µs
Gain Bandwidth Product 9 MHz
Current - Input Bias 100 nA
Voltage - Input Offset 35 µV
Supply Current 4mA
Voltage - Supply Span (Min) 9 V
Voltage - Supply Span (Max) 44 V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number OP285

概述

Description

The OP285GS is a precision operational amplifier designed for a wide range of applications, including instrumentation, data acquisition, and signal processing. It features low offset voltage, low noise, and high gain stability, making it suitable for use in sensitive electronic circuits. The device operates on a single or dual power supply, with a voltage range typically between ±2V to ±18V.
Key specifications include a low input offset voltage (typically 100 µV), low input bias current, and high input impedance, which minimizes interference with the circuit being measured. The OP285GS is also characterized by low total harmonic distortion (THD) and high slew rate, ensuring accurate and fast signal amplification.
It is available in various package types, including surface mount (GS), facilitating integration into compact designs. The OP285GS is ideal for applications requiring high precision and stability over temperature variations, such as medical devices, industrial sensors, and audio equipment.

Equivalent

The OP285GS is a precision operational amplifier. Equivalent or similar products include the LT1007, AD707, OPA2134, and MCP602. These alternatives offer comparable specifications in terms of low offset voltage, low noise, and high slew rate, making them suitable for similar applications in signal conditioning and audio processing. Always verify specific requirements such as power supply voltage and package type when selecting a replacement.

Features

The OP285GS is a precision operational amplifier known for its low offset voltage, low noise, and high speed. Key features include:
1. Low Offset Voltage: Typically around 50 µV, ensuring high accuracy in applications.
2. Low Noise: Input voltage noise density of approximately 18 nV/√Hz, making it suitable for sensitive applications.
3. Wide Bandwidth: Gain bandwidth product of about 2.5 MHz, allowing for effective signal amplification at higher frequencies.
4. High Slew Rate: Approximately 6 V/µs, enabling quick response to rapid input changes.
5. Single-Supply Operation: Can operate with a supply voltage as low as 3 V, enhancing versatility in design.
6. Rail-to-Rail Output: Provides maximum output swing close to the supply rails, improving dynamic range.
7. Temperature Range: Operates over a wide temperature range, ensuring reliability in varied environments.
These features make the OP285GS ideal for applications in instrumentation, data acquisition, and audio processing systems.

Pinout

The OP285GS is a precision operational amplifier featuring a total of 8 pins. Its pinout and functions are as follows:
1. Offset Null: Used for offset voltage adjustment.
2. Inverting Input (−): The input where the signal is inverted.
3. Non-Inverting Input (+): The input where the signal is applied without inversion.
4. V- (Negative Supply): Connects to the negative power supply voltage.
5. Output: The amplified output signal.
6. NC (No Connect): Not connected internally; typically unused.
7. V+ (Positive Supply): Connects to the positive power supply voltage.
8. Offset Null: Another pin for offset voltage adjustment, typically tied to a potentiometer.
The OP285GS is designed for low offset voltage and low noise, making it suitable for precision applications.

Manufacturer

The OP285GS is manufactured by Analog Devices, Inc. Analog Devices is a global leader in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Established in 1965, the company focuses on providing innovative solutions for a wide range of applications, including communications, automotive, industrial, healthcare, and consumer electronics. Analog Devices is well-known for its commitment to quality and performance, making it a key player in the semiconductor industry. Their products are widely used in various sectors, supporting advancements in technology and enabling the development of complex electronic systems.

Application

The OP285GS is a low-noise, precision operational amplifier known for its wide bandwidth and high-speed capabilities. Its application areas include:
1. Instrumentation: Used in high-accuracy measurement systems.
2. Signal Conditioning: Amplifies low-level signals in sensor applications.
3. Data Acquisition Systems: Enhances signal integrity in data processing.
4. Medical Devices: Utilized in medical imaging and monitoring equipment.
5. Audio Applications: Applied in high-fidelity audio processing.
6. Communication Systems: Used for amplification in RF and communication circuits.
Overall, the OP285GS is suitable for applications requiring low distortion and high precision.

Package

The OP285GS is packaged in a 5-lead SOT-23 configuration. This compact surface mount package is designed for low power applications and offers efficient thermal performance.

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