OPA2890IDGSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Operational Amplifier
• Characteristics: High-speed, low-power, rail-to-rail output, single-supply voltage
• Package: VSSOP (Very Small Outline Package)
• Essence: The OPA2890IDGSR is a high-performance operational amplifier designed for various applications that require high-speed and precision signal amplification.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Offset Voltage: ±1.5mV (maximum)
• Gain Bandwidth Product: 50MHz
• Slew Rate: 25V/μs
• Quiescent Current: 1.4mA per channel
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The OPA2890IDGSR has a total of 10 pins arranged as follows:

1. OUT-
2. IN-
3. V-
4. NC (No Connection)
5. V+
6. IN+
7. OUT+
8. NC
9. NC
10. GND

Functional Features

• High-speed amplification with a gain bandwidth product of 50MHz
• Rail-to-rail output swing capability, allowing the output voltage to reach close to the supply rails
• Low input offset voltage, ensuring accurate signal amplification
• Low quiescent current, making it suitable for battery-powered applications
• Single-supply voltage operation, eliminating the need for dual power supplies

Advantages and Disadvantages

Advantages: - High-speed performance enables accurate amplification of fast-changing signals - Rail-to-rail output allows for maximum utilization of the available supply voltage range - Low input offset voltage ensures precise amplification of small signals - Low quiescent current makes it suitable for low-power applications - Single-supply voltage operation simplifies circuit design and reduces component count

Disadvantages: - Limited supply voltage range (2.7V to 5.5V) - May not be suitable for applications requiring high voltage swings

Working Principles

The OPA2890IDGSR is based on a differential amplifier configuration, where the difference between the two input voltages is amplified. It utilizes a combination of active devices and passive components to achieve high-speed amplification with low power consumption. The rail-to-rail output stage ensures that the amplified signal can swing close to the supply rails, maximizing the dynamic range.

Detailed Application Field Plans

The OPA2890IDGSR is widely used in various applications that require high-speed and precision signal amplification. Some common application fields include:

1. Audio Amplification: The OPA2890IDGSR can be used in audio amplifiers to accurately amplify low-level audio signals while maintaining high fidelity.
2. Sensor Signal Conditioning: It can be employed in sensor signal conditioning circuits to amplify weak sensor outputs and provide accurate measurements.
3. Communication Systems: The OPA2890IDGSR finds applications in communication systems where high-speed amplification of signals is required, such as in data transmission and reception.
4. Test and Measurement Equipment: It can be utilized in test and measurement equipment to amplify and process various types of signals for analysis and testing purposes.

Detailed and Complete Alternative Models

1. OPA189: Similar high-speed operational amplifier with rail-to-rail output and low input offset voltage.
2. OPA2189: High-speed operational amplifier with rail-to-rail output and low quiescent current.
3. OPA349: Low-power operational amplifier with rail-to-rail output and wide supply voltage range.

(Note: The above alternative models are provided for reference and may have different specifications and pin configurations. It is recommended to consult the respective datasheets for detailed information.)

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