OPA381AIDRBTG4

Overview

Category: Integrated Circuit (IC)

Use: Operational Amplifier

Characteristics: - Low offset voltage - High gain bandwidth product - Rail-to-rail input and output - Low quiescent current - Wide supply voltage range

Package: SOIC-8

Essence: The OPA381AIDRBTG4 is a high-performance operational amplifier designed for precision applications.

Packaging/Quantity: The OPA381AIDRBTG4 is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: ±1.5V to ±18V
• Input Offset Voltage: 500µV (max)
• Gain Bandwidth Product: 10MHz
• Quiescent Current: 1.2mA
• Slew Rate: 7V/µs
• Input Bias Current: 1nA (typ)
• Common Mode Rejection Ratio: 100dB (min)
• Output Current: 40mA

Pin Configuration

The OPA381AIDRBTG4 has the following pin configuration:

```

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| | --| IN- OUT |-- --| IN+ V- |-- --| V+ NC |-- --| V- V+ |-- --| OUT IN+ |-- --| IN- OUT |-- |___________| ```

Functional Features

• Low input offset voltage allows for accurate amplification of small signals.
• High gain bandwidth product enables the amplifier to handle high-frequency signals.
• Rail-to-rail input and output capability ensures maximum dynamic range.
• Low quiescent current minimizes power consumption.
• Wide supply voltage range provides flexibility in various applications.

Advantages and Disadvantages

Advantages: - High precision amplification - Wide frequency response - Versatile power supply options - Low power consumption

Disadvantages: - Relatively high input offset voltage compared to some other precision op-amps - Limited output current capability

Working Principles

The OPA381AIDRBTG4 is based on a differential amplifier configuration, which amplifies the difference between the two input voltages. It utilizes a combination of active devices and passive components to achieve high gain, low distortion, and accurate signal amplification.

Detailed Application Field Plans

The OPA381AIDRBTG4 is commonly used in the following applications:

1. Sensor signal conditioning
2. Audio amplification
3. Active filters
4. Data acquisition systems
5. Instrumentation amplifiers
6. Medical equipment
7. Industrial control systems

Alternative Models

Some alternative models that can be considered as substitutes for the OPA381AIDRBTG4 include:

1. LM324
2. TL071
3. AD822
4. MCP6001
5. LT1498

These alternatives offer similar functionality and performance characteristics, but may have different package options or additional features.

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