OPA2228U/2K5G4 - English Editing Encyclopedia Entry

Product Overview

Category: Operational Amplifier
Use: Signal amplification and conditioning
Characteristics: High precision, low noise, wide bandwidth
Package: SOIC-8
Essence: Precision operational amplifier
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage: ±2.5V to ±18V
• Input Offset Voltage: 50µV (max)
• Input Bias Current: 1nA (typ)
• Gain Bandwidth Product: 22MHz (typ)
• Slew Rate: 20V/µs (typ)
• Output Current: 40mA (typ)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The OPA2228U/2K5G4 operational amplifier has the following pin configuration:

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| | --| IN- VCC+ |-- --| IN+ VCC- |-- --| OUT NC |-- --| NC GND |-- |___________| ```

Functional Features

• High precision: The OPA2228U/2K5G4 offers excellent accuracy and stability, making it suitable for applications requiring precise signal amplification.
• Low noise: With a low input voltage noise density, this operational amplifier ensures minimal interference and distortion in sensitive circuits.
• Wide bandwidth: The wide gain bandwidth product allows for amplification of high-frequency signals without significant loss or distortion.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low noise performance - Wide bandwidth for versatile applications - Robust packaging for durability

Disadvantages: - Relatively higher power consumption compared to some low-power operational amplifiers - Limited output current capability

Working Principles

The OPA2228U/2K5G4 is a precision operational amplifier designed to amplify and condition electrical signals. It utilizes a differential input stage, which allows for high common-mode rejection ratio (CMRR) and low offset voltage. The internal circuitry ensures accurate amplification with minimal distortion and noise.

Detailed Application Field Plans

The OPA2228U/2K5G4 finds applications in various fields, including: 1. Audio Amplification: Provides precise amplification of audio signals in high-fidelity systems. 2. Instrumentation: Used in measurement equipment to amplify and condition sensor signals accurately. 3. Medical Devices: Enables precise signal conditioning in medical devices such as patient monitoring systems and diagnostic equipment. 4. Communication Systems: Supports signal conditioning and amplification in communication systems, ensuring reliable transmission.

Detailed and Complete Alternative Models

1. OPA2277U/2K5G4: Precision operational amplifier with similar characteristics and pin configuration.
2. TL072CP: Dual operational amplifier with lower power consumption and wider temperature range.
3. AD8628ARZ: Low-noise operational amplifier with rail-to-rail output and low input bias current.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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