OPA2140AIDGKR

Product Overview

Category: Integrated Circuit (IC)

Use: Operational Amplifier (Op-Amp)

Characteristics: - High precision - Low noise - Wide bandwidth - Low power consumption

Package: SOIC (Small Outline Integrated Circuit)

Essence: The OPA2140AIDGKR is a high-performance operational amplifier designed for various applications that require precision amplification.

Packaging/Quantity: The OPA2140AIDGKR is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: 50µV (maximum)
• Input Bias Current: 1nA (maximum)
• Gain Bandwidth Product: 20MHz
• Slew Rate: 10V/µs
• Quiescent Current: 3.6mA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The OPA2140AIDGKR has a total of 8 pins arranged as follows:

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| | --| IN- OUT |-- --| IN+ V- |-- --| V+ NC |-- |___________| ```

Pin Description: - IN-: Inverting input - OUT: Output - IN+: Non-inverting input - V-: Negative power supply - V+: Positive power supply - NC: No connection

Functional Features

1. High Precision: The OPA2140AIDGKR offers excellent precision with low offset voltage and low bias current, ensuring accurate signal amplification.
2. Low Noise: With its low noise characteristics, this op-amp is suitable for applications that require minimal noise interference.
3. Wide Bandwidth: The wide bandwidth of 20MHz enables the amplifier to handle high-frequency signals accurately.
4. Low Power Consumption: The op-amp operates with low quiescent current, making it energy-efficient and suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - High precision amplification - Low noise performance - Wide bandwidth for accurate signal handling - Low power consumption for energy efficiency

Disadvantages: - Limited supply voltage range compared to some other op-amps - Higher cost compared to standard op-amps with similar specifications

Working Principles

The OPA2140AIDGKR is based on a differential amplifier configuration, where the input signal is amplified by the difference between the inverting and non-inverting inputs. It utilizes internal circuitry to provide high gain, low distortion, and stable operation.

Detailed Application Field Plans

The OPA2140AIDGKR is widely used in various applications, including: 1. Audio Amplification: Provides precise amplification for audio signals in high-fidelity systems. 2. Instrumentation: Used in measurement equipment to amplify small signals accurately. 3. Sensor Signal Conditioning: Amplifies weak sensor signals for further processing. 4. Active Filters: Enables the design of active filters with high precision and low noise.

Detailed and Complete Alternative Models

1. OPA2134: Similar characteristics with dual op-amp configuration.
2. LT1677: Low noise, rail-to-rail output op-amp.
3. AD8628: Precision, low noise, low power op-amp.

These alternative models offer similar features and can be considered as substitutes for the OPA2140AIDGKR depending on specific requirements.

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