OPA131U/2K5

Product Overview

Category

OPA131U/2K5 belongs to the category of operational amplifiers (op-amps).

Use

OPA131U/2K5 is commonly used in electronic circuits for amplification and signal conditioning purposes.

Characteristics

• High gain: OPA131U/2K5 offers a high voltage gain, making it suitable for applications requiring precise amplification.
• Low noise: It has low input and output noise levels, ensuring accurate signal processing.
• Wide bandwidth: The op-amp provides a wide frequency response, enabling it to handle a broad range of signals.
• Low power consumption: OPA131U/2K5 operates with low power requirements, making it energy-efficient.
• Rail-to-rail input and output: It supports input and output signals that span the entire supply voltage range.
• Stable operation: The op-amp exhibits excellent stability over various operating conditions.

Package

OPA131U/2K5 is available in a small outline package (SOIC) format.

Essence

The essence of OPA131U/2K5 lies in its ability to amplify and condition electrical signals accurately and efficiently.

Packaging/Quantity

OPA131U/2K5 is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of op-amps.

Specifications

• Supply voltage: ±5V to ±18V
• Input offset voltage: 0.5mV (maximum)
• Input bias current: 1nA (maximum)
• Gain bandwidth product: 8MHz
• Slew rate: 20V/µs
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

OPA131U/2K5 features an 8-pin dual in-line package (DIP) 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

• High voltage gain: OPA131U/2K5 provides a high open-loop voltage gain, ensuring accurate amplification of input signals.
• Low distortion: It exhibits low harmonic distortion, preserving the integrity of the amplified signal.
• Unity-gain stable: The op-amp remains stable even when configured for unity gain, allowing for versatile circuit designs.
• Wide common-mode range: It supports a wide range of common-mode input voltages, enhancing its compatibility with various applications.
• Fast settling time: OPA131U/2K5 achieves fast output settling, enabling rapid response to dynamic input signals.

Advantages and Disadvantages

Advantages

• High gain and low noise enable precise signal amplification.
• Wide bandwidth allows for handling a broad range of frequencies.
• Low power consumption ensures energy efficiency.
• Rail-to-rail input and output capability enhances signal processing flexibility.
• Stable operation guarantees reliable performance.

Disadvantages

• Limited availability in certain regions or markets.
• Relatively higher cost compared to some alternative models.

Working Principles

OPA131U/2K5 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 that is proportional to this voltage difference. By adjusting the feedback network, the gain and characteristics of the op-amp can be tailored to specific application requirements.

Detailed Application Field Plans

OPA131U/2K5 finds extensive use in various applications, including: 1. Audio amplification and processing circuits 2. Instrumentation and measurement systems 3. Active filters and equalizers 4. Data acquisition systems 5. Sensor signal conditioning 6. Communication equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as substitutes for OPA131U/2K5 include: - OPA827 - AD8628 - LT1677 - MCP6002 - LMV321

These alternatives offer similar characteristics and functionalities, providing flexibility in choosing the most suitable op-amp for specific applications.

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