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OP285GS

Name: OP285GS
Rating: 4.7 (12 reviews)

IC OPAMP JFET 2 CIRCUIT 8SOIC

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Mfr。パート #OP285GS
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仕様

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
Current - Supply	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

概要

Description

The OP285GS is a precision operational amplifier designed for applications requiring low noise, high-speed performance, and low offset voltage. It features a wide supply voltage range, making it versatile for various electronic circuits. Key specifications include a low input bias current, low total harmonic distortion, and an excellent common-mode rejection ratio.
The device is commonly used in signal conditioning, data acquisition systems, and other analog applications where accuracy and stability are critical. Its high slew rate and fast settling time enable it to handle dynamic signals effectively.
The OP285GS is available in a surface-mount package, making it suitable for compact designs. Overall, it is an ideal choice for engineers seeking reliable performance in demanding conditions.

Features

The OP285GS is a precision operational amplifier known for its low offset voltage and high performance. Key features include:
- Low Offset Voltage: Typically 50 µV, ensuring accurate signal amplification.
- High Slew Rate: 20 V/µs, allowing rapid signal response.
- Wide Bandwidth: Gain bandwidth product of 10 MHz, suitable for high-frequency applications.
- Low Noise: Enhanced signal integrity with low noise specifications.
- Low Power Consumption: Operates on a wide supply voltage range with minimal power draw.
- Rail-to-Rail Output: Maximizes output swing, allowing it to utilize the full range of supply voltages.
- High Input Impedance: Reduces loading on preceding circuit stages, enhancing circuit performance.
- Temperature Range: Operating temperature from -40°C to +85°C, suitable for various environments.
These features make the OP285GS ideal for applications in instrumentation, data acquisition systems, and audio equipment.

Package

The OP285GS is an operational amplifier packaged in a small outline integrated circuit (SOIC) format, specifically a 5-lead SOT-23 package. This compact design is suitable for applications requiring space-efficient components.

Pinout

The OP285GS is a high-performance operational amplifier with a total of 8 pins. The function of each pin is as follows:
1. Offset Null (Pin 1): Used for offset voltage adjustment.
2. Inverting Input (Pin 2): The input where the signal is applied for inversion.
3. Non-Inverting Input (Pin 3): The input where the signal is applied without inversion.
4. Output (Pin 4): The output of the amplifier.
5. Positive Power Supply (Pin 5): Connects to the positive voltage supply.
6. Negative Power Supply (Pin 6): Connects to the negative voltage supply.
7. NC (Pin 7): No connection; typically left unconnected.
8. Compensation (Pin 8): Used for frequency compensation in certain configurations.
The OP285 is designed for precision applications and features low noise, low offset voltage, and high bandwidth, making it suitable for a variety of signal processing tasks.

Manufacturer

The OP285GS is manufactured by Analog Devices, Inc. (ADI), a prominent company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices develops a wide range of products used in various applications, including communications, automotive, industrial, and healthcare. The OP285 is a precision operational amplifier known for its low noise and low offset voltage, making it suitable for demanding applications. ADI is recognized for its innovation and leadership in the semiconductor industry, focusing on enhancing the performance of electronic systems.

Application

The OP285GS is a precision operational amplifier used in various applications, including signal conditioning, sensor interfacing, data acquisition systems, and instrumentation. Its low offset voltage and low noise make it ideal for medical devices, industrial controls, and audio equipment. Additionally, it is suitable for active filters, analog signal processing, and feedback control systems.

Equivalent

The OP285GS operational amplifier can be equivalently replaced with the following products:
1. TLV2372 - Low-power dual op-amp
2. OPA2134 - High-performance audio op-amp
3. LM358 - Dual op-amp with similar characteristics
Always verify specifications such as voltage range, bandwidth, and noise performance before substituting.