OPA380AID

Product Overview

Category

OPA380AID belongs to the category of operational amplifiers (op-amps).

Use

The OPA380AID op-amp is commonly used in various electronic circuits for amplification and signal conditioning purposes.

Characteristics

• High gain: The OPA380AID offers a high open-loop voltage gain, making it suitable for applications requiring precise amplification.
• Low noise: This op-amp has low input noise, ensuring accurate signal processing.
• Wide bandwidth: With a wide frequency response range, the OPA380AID can handle signals across a broad spectrum.
• Low power consumption: It operates efficiently with low power requirements.
• Rail-to-rail inputs and outputs: The op-amp supports input and output signals that span the entire supply voltage range.
• Single-supply operation: It can be powered by a single positive voltage source, simplifying circuit design.

Package

The OPA380AID is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the OPA380AID lies in its ability to provide high-performance amplification and signal conditioning in a compact form factor.

Packaging/Quantity

The OPA380AID is typically sold in reels or tubes containing a specified quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply voltage: 2.7V to 5.5V
• Input offset voltage: ±0.5mV (maximum)
• Input bias current: ±1nA (maximum)
• Gain bandwidth product: 10MHz
• Slew rate: 6V/µs
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The OPA380AID op-amp features an 8-pin SOIC package with the following pin configuration:

1. V- (Negative power supply)
2. IN- (Inverting input)
3. IN+ (Non-inverting input)
4. V+ (Positive power supply)
5. OUT (Output)
6. NC (No connection)
7. NC (No connection)
8. V- (Negative power supply)

Functional Features

The OPA380AID offers the following functional features:

• High gain: The op-amp provides a high open-loop voltage gain, allowing for precise signal amplification.
• Low noise: It has low input noise, ensuring accurate signal processing even in sensitive applications.
• Rail-to-rail inputs and outputs: The op-amp supports input and output signals that can swing from the lowest to the highest voltage levels within the supply range.
• Single-supply operation: It can be powered by a single positive voltage source, simplifying circuit design and reducing component count.

Advantages and Disadvantages

Advantages

• High gain and wide bandwidth enable accurate amplification of signals across a broad frequency range.
• Low noise ensures minimal distortion and interference in signal processing.
• Rail-to-rail inputs and outputs allow for maximum utilization of the available supply voltage range.
• Single-supply operation simplifies circuit design and reduces cost.

Disadvantages

• Limited supply voltage range (2.7V to 5.5V) may not be suitable for certain applications requiring higher voltages.
• Slightly higher input offset voltage compared to some other op-amps on the market.

Working Principles

The OPA380AID operates based on the principles of differential amplification. It amplifies the voltage difference between its inverting and non-inverting inputs, producing an amplified output signal. The op-amp's internal circuitry, including transistors and resistors, facilitates this amplification process while maintaining stability and accuracy.

Detailed Application Field Plans

The OPA380AID finds applications in various fields, including:

1. Audio amplification: It can be used in audio systems to amplify low-level signals from microphones or other audio sources.
2. Sensor signal conditioning: The op-amp can process and amplify weak signals from sensors, such as temperature or pressure sensors, for further analysis.
3. Instrumentation and measurement: It is suitable for precision measurement applications that require accurate signal amplification and conditioning.
4. Active filters: The OPA380AID can be utilized in active filter circuits to shape the frequency response of a system.
5. Data acquisition systems: It can be employed in data acquisition systems to amplify and condition analog signals before digitization.

Detailed and Complete Alternative Models

Some alternative models to the OPA380AID include:

1. OPA381AID: Similar to the OPA380AID, but with lower input offset voltage.
2. OPA340NA/3K: A quad op-amp with similar characteristics, suitable for applications requiring multiple amplifiers.
3. LM358N: A general