OPA228PAG4 - English Editing Encyclopedia Entry

Product Overview

Category: Operational Amplifier
Use: Signal amplification and conditioning
Characteristics: High precision, low noise, wide bandwidth
Package: 8-pin DIP (Dual Inline Package)
Essence: Precision operational amplifier
Packaging/Quantity: Available in tubes of 25 or reels of 2000 units

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: 50µV (maximum)
• Input Bias Current: 1nA (maximum)
• Gain Bandwidth Product: 10MHz
• Slew Rate: 5V/µs
• Output Current: 40mA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The OPA228PAG4 has the following pin configuration:

___________ OUT | 1 8 | VCC+ IN+ | 2 7 | VCC- IN- | 3 6 | NC VEE | 4 5 | NC ‾‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• High precision amplification for accurate signal processing
• Low noise operation for improved signal integrity
• Wide bandwidth allows for amplification of high-frequency signals
• Rail-to-rail input and output capability for maximum dynamic range
• Unity-gain stable for easy circuit design and stability

Advantages and Disadvantages

Advantages: - High precision amplification ensures accurate signal reproduction - Low noise operation minimizes signal distortion - Wide bandwidth enables amplification of high-frequency signals - Rail-to-rail input and output capability provides maximum dynamic range - Unity-gain stable for easy circuit design and stability

Disadvantages: - Limited output current may not be suitable for high-power applications - Higher cost compared to standard operational amplifiers - Requires external power supply for operation

Working Principles

The OPA228PAG4 is a precision operational amplifier designed to amplify and condition analog signals. It operates by taking the difference between the voltages at its non-inverting (+) and inverting (-) inputs, and amplifying this difference by a fixed gain. The amplified output signal is then available at the OUT pin.

The amplifier's high precision and low noise characteristics ensure accurate signal reproduction with minimal distortion. Its wide bandwidth allows for amplification of high-frequency signals, making it suitable for various applications requiring precise signal conditioning.

Detailed Application Field Plans

The OPA228PAG4 can be used in a wide range of applications, including but not limited to: 1. Sensor signal conditioning 2. Audio amplification 3. Medical instrumentation 4. Data acquisition systems 5. Test and measurement equipment 6. Industrial control systems

Detailed and Complete Alternative Models

1. OPA227PAG4: Similar specifications and pin configuration, but lower gain bandwidth product (5MHz)
2. OPA2300AIDGKR: Higher gain bandwidth product (20MHz), smaller package (8-pin VSSOP)
3. LT1677CS8#PBF: Lower input offset voltage (10µV), higher slew rate (15V/µs)

These alternative models offer different trade-offs in terms of performance, package size, and cost, allowing users to choose the most suitable option for their specific application requirements.

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