OPA4140AIPWR

Overview

Category: Operational Amplifier
Use: Signal amplification and conditioning
Characteristics: High precision, low noise, wide bandwidth
Package: TSSOP-14
Essence: Monolithic operational amplifier
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage: ±2.25V to ±18V
• Input Offset Voltage: 50µV (maximum)
• Input Bias Current: 1nA (maximum)
• Input Voltage Noise: 8nV/√Hz (typical)
• Gain Bandwidth Product: 10MHz (typical)
• Slew Rate: 5V/µs (typical)
• Output Current: 40mA (maximum)

Pin Configuration

The OPA4140AIPWR is a 14-pin integrated circuit with the following pin configuration:

1. OUT-
2. V-
3. IN-
4. IN+
5. V+
6. NC
7. NC
8. NC
9. NC
10. NC
11. NC
12. NC
13. VCC+
14. OUT+

Functional Features

• High precision: The OPA4140AIPWR offers excellent accuracy and stability in signal amplification applications.
• Low noise: With a low input voltage noise, it ensures minimal interference and distortion in the amplified signal.
• Wide bandwidth: The operational amplifier provides a broad frequency response, making it suitable for various applications requiring high-speed signal processing.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Low noise performance - Wide bandwidth for versatile applications - Robust packaging for durability

Disadvantages: - Relatively higher power consumption compared to some low-power operational amplifiers - Limited output current capability

Working Principles

The OPA4140AIPWR is a monolithic operational amplifier designed to amplify and condition electrical signals. It operates based on the principles of differential amplification, where the voltage difference between the input terminals (IN+ and IN-) is amplified and provided at the output (OUT+ and OUT-). The amplifier's internal circuitry ensures high precision, low noise, and wide bandwidth performance.

Detailed Application Field Plans

The OPA4140AIPWR is commonly used in various applications, including:

1. Audio Amplification: The amplifier's low noise and wide bandwidth make it suitable for audio signal amplification in audio systems, headphones, and speakers.
2. Instrumentation: Its high precision and accuracy are beneficial in measurement and instrumentation equipment, such as data acquisition systems and test instruments.
3. Communication Systems: The OPA4140AIPWR can be utilized in communication systems for signal conditioning, filtering, and amplification purposes.
4. Industrial Control: It finds application in industrial control systems, providing accurate and stable amplification for sensor signals and control circuits.

Detailed and Complete Alternative Models

1. OPA4134PAG4: Similar specifications and pin configuration, available in PDIP-14 package.
2. OPA4171AIDR: Higher gain bandwidth product, available in SOIC-8 package.
3. OPA2111KP: Ultra-low noise, higher precision, available in TO-99 package.

These alternative models offer similar or enhanced features, catering to specific requirements in different applications.

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