OPA4228PAG4 - English Editing Encyclopedia Entry

Product Overview

Category: Operational Amplifier
Use: Signal amplification and conditioning
Characteristics: High precision, low noise, wide bandwidth
Package: DIP-8 (Dual Inline Package)
Essence: Integrated circuit for analog signal processing
Packaging/Quantity: Tube packaging, 50 units per tube

Specifications

• Supply Voltage: ±2.5V to ±18V
• Input Offset Voltage: 0.25mV (maximum)
• Input Bias Current: 1nA (maximum)
• Gain Bandwidth Product: 10MHz
• Slew Rate: 7V/µs
• Input Voltage Noise: 9nV/√Hz
• Output Current: 40mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The OPA4228PAG4 has a standard DIP-8 package with the following pin configuration:

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| | --| IN- OUT+ |-- Pin 1: Non-Inverting Input --| IN+ VCC+ |-- Pin 2: Inverting Input --| VCC- OUT- |-- Pin 3: Positive Power Supply --| NC NC |-- Pin 4: Not Connected --| NC NC |-- Pin 5: Not Connected --| NC NC |-- Pin 6: Not Connected --| NC NC |-- Pin 7: Not Connected --| NC NC |-- Pin 8: Not Connected |___________| ```

Functional Features

• High precision amplification of analog signals
• Low noise operation for accurate signal conditioning
• Wide bandwidth allows for high-frequency applications
• Rail-to-rail input and output operation
• High output current capability for driving loads

Advantages and Disadvantages

Advantages: - High precision amplification ensures accurate signal processing - Low noise operation preserves signal integrity - Wide bandwidth allows for versatile applications - Rail-to-rail input and output operation enhances flexibility - High output current capability enables driving of various loads

Disadvantages: - Limited number of pins restricts the number of available features - Requires external components for specific applications

Working Principles

The OPA4228PAG4 is an operational amplifier designed to amplify and condition analog signals. It operates based on the principles of differential amplification, where the difference between the inverting and non-inverting inputs is amplified. The amplified output is then used for further signal processing or driving loads.

Detailed Application Field Plans

The OPA4228PAG4 finds applications in various fields, including:

1. Audio Amplification: Provides high-fidelity amplification for audio signals in audio systems, headphones, and speakers.
2. Instrumentation: Used in precision measurement instruments, such as multimeters and oscilloscopes, for accurate signal conditioning.
3. Sensor Signal Conditioning: Amplifies and conditions signals from sensors, such as temperature sensors, pressure sensors, and strain gauges.
4. Active Filters: Utilized in active filter circuits for frequency response shaping and signal filtering.
5. Data Acquisition Systems: Enables precise signal acquisition and conditioning in data acquisition systems for industrial monitoring and control.

Detailed and Complete Alternative Models

1. LM324: A quad operational amplifier with similar characteristics and pin configuration.
2. TL072: A dual operational amplifier with low noise and wide bandwidth.
3. AD822: A precision instrumentation amplifier with high common-mode rejection ratio.

(Note: This list is not exhaustive and there are several other alternative models available in the market.)

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Word Count: 410 words