OPA2140AIDR

Product Overview

Category

OPA2140AIDR belongs to the category of operational amplifiers (op-amps).

Use

The OPA2140AIDR is commonly used in various electronic circuits where amplification and signal conditioning are required. It is particularly suitable for applications that demand high precision and low noise.

Characteristics

• High precision: The OPA2140AIDR offers excellent accuracy and stability, making it ideal for precision measurement systems.
• Low noise: With a low input voltage noise density, this op-amp ensures minimal interference with the desired signal.
• Wide bandwidth: The device provides a wide frequency response, enabling it to handle signals across a broad range.
• Low power consumption: The OPA2140AIDR is designed to operate efficiently with low power requirements.
• Rail-to-rail input and output: This feature allows the op-amp to accept and deliver signals close to the supply rails, maximizing dynamic range.

Package

The OPA2140AIDR comes in a small outline integrated circuit (SOIC) package. This package type offers ease of handling and compatibility with standard PCB manufacturing processes.

Essence

The essence of the OPA2140AIDR lies in its ability to amplify and condition signals accurately and reliably, while maintaining low noise levels and consuming minimal power.

Packaging/Quantity

The OPA2140AIDR is typically available in reels containing 2500 units per reel.

Specifications

• Supply voltage: ±2.25 V to ±18 V
• Input offset voltage: 50 µV (maximum)
• Input bias current: 1 nA (maximum)
• Gain bandwidth product: 4 MHz
• Slew rate: 3 V/µs
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The OPA2140AIDR has a standard 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

• High gain: The op-amp provides a high open-loop voltage gain, allowing for precise signal amplification.
• Low distortion: The device exhibits low harmonic distortion, ensuring accurate reproduction of the input signal.
• Unity-gain stable: The OPA2140AIDR remains stable even when configured for unity gain, making it suitable for various applications.
• Overload protection: Built-in protection circuitry safeguards the op-amp from potential damage caused by excessive input or output voltages.

Advantages and Disadvantages

Advantages

• High precision and accuracy
• Low noise performance
• Wide bandwidth for versatile applications
• Low power consumption
• Rail-to-rail input and output capability

Disadvantages

• Relatively limited gain bandwidth product compared to some specialized op-amps
• Higher cost compared to general-purpose op-amps

Working Principles

The OPA2140AIDR 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 device utilizes internal compensation techniques to maintain stability and ensure reliable operation.

Detailed Application Field Plans

The OPA2140AIDR finds application in various fields, including but not limited to: - Precision measurement systems - Audio amplification and signal conditioning - Sensor interfaces - Data acquisition systems - Medical instrumentation - Industrial control systems

Detailed and Complete Alternative Models

• OPA2134: This op-amp offers similar performance characteristics to the OPA2140AIDR, with a higher gain bandwidth product.
• LT1677: A low-noise precision op-amp suitable for applications requiring high accuracy and low distortion.
• AD8628: This rail-to-rail input/output op-amp provides excellent precision and low power consumption.

These alternative models can be considered based on specific application requirements and design constraints.

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