OPA890IDBVT - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Operational Amplifier

Characteristics: - High precision - Low power consumption - Rail-to-rail input and output - Wide supply voltage range

Package: SOT-23-5

Essence: The OPA890IDBVT is a high-performance operational amplifier designed for various applications that require precision amplification.

Packaging/Quantity: Available in reels of 3000 units.

Specifications

The OPA890IDBVT has the following specifications:

• Supply Voltage Range: 2.7V to 5.5V
• Input Offset Voltage: ±0.5mV (maximum)
• Gain Bandwidth Product: 10MHz
• Input Bias Current: ±1nA (maximum)
• Output Current: ±20mA (maximum)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The OPA890IDBVT features a standard pin configuration with the following pin assignments:

1. V+ (Positive Power Supply)
2. V- (Negative Power Supply)
3. OUT (Output)
4. IN- (Inverting Input)
5. IN+ (Non-Inverting Input)

Functional Features

The OPA890IDBVT offers the following functional features:

• High precision amplification for accurate signal processing.
• Low power consumption, making it suitable for battery-powered applications.
• Rail-to-rail input and output capability allows for maximum dynamic range.
• Wide supply voltage range enables operation in various voltage conditions.

Advantages and Disadvantages

Advantages: - High precision amplification ensures accurate signal reproduction. - Low power consumption extends battery life in portable devices. - Rail-to-rail input and output capability provides maximum dynamic range. - Wide supply voltage range allows for versatile applications.

Disadvantages: - Limited output current may not be suitable for high-power applications. - SOT-23-5 package limits heat dissipation capabilities.

Working Principles

The OPA890IDBVT operates based on the principles of operational amplifiers. It amplifies the difference between the non-inverting and inverting input voltages by a fixed gain. The amplified output is then available at the OUT pin. The rail-to-rail input and output capability ensures that the amplifier can handle signals close to the power supply rails.

Detailed Application Field Plans

The OPA890IDBVT is commonly used in the following application fields:

1. Sensor Signal Conditioning: Amplifying and conditioning signals from various sensors such as temperature, pressure, and light sensors.
2. Portable Audio Devices: Providing accurate amplification for audio signals in portable devices like smartphones and MP3 players.
3. Medical Instrumentation: Precisely amplifying biomedical signals for monitoring and diagnostic purposes.
4. Industrial Control Systems: Amplifying control signals in industrial automation systems for accurate control of processes.

Detailed and Complete Alternative Models

1. OPA891IDBVT: Similar to OPA890IDBVT with improved input offset voltage performance.
2. OPA892IDBVT: Higher bandwidth version of OPA890IDBVT for applications requiring faster signal processing.
3. OPA893IDBVT: Dual operational amplifier with similar characteristics to OPA890IDBVT, suitable for dual-channel applications.

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list.

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