BU4221G-TR

Product Overview

Category: Integrated Circuit (IC)

Use: The BU4221G-TR is a high-performance operational amplifier designed for various applications in the field of electronics. It is commonly used in audio amplification, signal conditioning, and voltage regulation circuits.

Characteristics: - High gain and bandwidth - Low input offset voltage - Low noise - Wide supply voltage range - Rail-to-rail output swing capability

Package: The BU4221G-TR is available in a small outline package (SOP) with 8 pins. This compact package allows for easy integration into electronic circuit boards.

Essence: The essence of the BU4221G-TR lies in its ability to amplify and condition electrical signals accurately and efficiently.

Packaging/Quantity: The BU4221G-TR is typically packaged in reels or tubes, containing a quantity of 250 or 1000 units per package, respectively.

Specifications

• Supply Voltage Range: ±2V to ±18V
• Input Offset Voltage: 1mV (maximum)
• Gain Bandwidth Product: 10MHz
• Slew Rate: 5V/µs
• Input Bias Current: 50nA (maximum)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The BU4221G-TR features the following pin configuration:

```

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| | --| V+ OUT |-- Pin 1: Positive Power Supply (V+) --| IN- IN+ |-- Pin 2: Non-Inverting Input (IN+) --| V- NC |-- Pin 3: Negative Power Supply (V-) --| NC NC |-- Pin 4: Not Connected (NC) --| NC NC |-- Pin 5: Not Connected (NC) --| NC NC |-- Pin 6: Not Connected (NC) --| NC NC |-- Pin 7: Not Connected (NC) --| GND NC |-- Pin 8: Ground (GND) |___________| ```

Functional Features

• High voltage gain allows for accurate amplification of weak signals.
• Wide bandwidth enables the amplifier to handle a broad range of frequencies.
• Low input offset voltage ensures minimal distortion in signal processing.
• Rail-to-rail output swing capability provides maximum dynamic range.
• Low noise operation enhances signal fidelity.

Advantages and Disadvantages

Advantages: - High performance and reliability - Versatile application possibilities - Compact package size - Wide supply voltage range

Disadvantages: - Relatively high power consumption - Limited availability in certain regions

Working Principles

The BU4221G-TR operates based on the principles of differential amplification. It utilizes a combination of transistors and resistors to amplify and condition electrical signals. The input stage of the amplifier differentially amplifies the voltage between the non-inverting and inverting inputs, while subsequent stages provide further amplification and signal conditioning. The amplified signal is then available at the output pin.

Detailed Application Field Plans

The BU4221G-TR finds applications in various fields, including: 1. Audio Amplification: Used in audio systems to amplify low-level audio signals from sources such as microphones or musical instruments. 2. Signal Conditioning: Employed in sensor circuits to amplify and process weak signals before further analysis or conversion. 3. Voltage Regulation: Utilized in power supply circuits to stabilize and regulate voltages for electronic components.

Detailed and Complete Alternative Models

1. LM741: A widely used operational amplifier with similar characteristics and pin configuration.
2. AD822: A precision operational amplifier offering low noise and high accuracy.
3. TL072: A dual operational amplifier with low distortion and wide bandwidth.

These alternative models provide similar functionality to the BU4221G-TR and can be considered as substitutes depending on specific requirements.

In conclusion, the BU4221G-TR is a versatile operational amplifier that offers high performance and reliability. Its compact size, wide supply voltage range, and various applications make it a valuable component in electronic circuits requiring accurate signal amplification and conditioning.

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