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OPA145IDR
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OPA145IDR

Product Overview

The OPA145IDR is a high-speed, low-power operational amplifier designed for use in a wide range of applications. This device belongs to the category of integrated circuits and is commonly used in audio systems, instrumentation, and control systems. The OPA145IDR is known for its high speed, low noise, and low distortion characteristics, making it suitable for precision signal processing. It is available in small outline packages, providing designers with flexibility in board layout and space-constrained applications.

Basic Information

  • Category: Integrated Circuits
  • Use: Audio Systems, Instrumentation, Control Systems
  • Characteristics: High Speed, Low Noise, Low Distortion
  • Package: Small Outline Packages
  • Essence: Precision Signal Processing
  • Packaging/Quantity: Varies by Manufacturer

Specifications

  • Supply Voltage: ±2.25V to ±18V
  • Input Offset Voltage: 0.5mV (Max)
  • Gain Bandwidth Product: 50MHz
  • Slew Rate: 20V/µs
  • Operating Temperature Range: -40°C to 125°C
  • Package Type: SOIC, MSOP

Detailed Pin Configuration

The OPA145IDR features a standard pin configuration with eight pins, including non-inverting input, inverting input, output, and power supply pins. The pinout configuration is as follows: 1. OUT: Output 2. -IN: Inverting Input 3. +IN: Non-Inverting Input 4. V- 5. NC: Not Connected 6. V+ 7. NC: Not Connected 8. NC: Not Connected

Functional Features

  • High Speed: Enables fast signal processing
  • Low Noise: Minimizes interference and distortion
  • Low Power Consumption: Suitable for battery-powered devices
  • Rail-to-Rail Output: Provides maximum dynamic range

Advantages and Disadvantages

Advantages

  • High Speed and Precision
  • Low Noise and Distortion
  • Wide Operating Voltage Range
  • Small Package Size

Disadvantages

  • Limited Output Current
  • Sensitive to ESD (Electrostatic Discharge)

Working Principles

The OPA145IDR operates based on the principles of differential amplification and feedback control. It amplifies the voltage difference between the non-inverting and inverting inputs while maintaining stability and linearity. By adjusting the feedback network, the gain and bandwidth of the amplifier can be tailored to specific application requirements.

Detailed Application Field Plans

The OPA145IDR finds extensive use in various applications, including: - Audio Amplifiers - Data Acquisition Systems - Sensor Interfaces - Test and Measurement Equipment - Active Filters - Industrial Control Systems

Detailed and Complete Alternative Models

  • OPA140: Single Channel, Lower Bandwidth
  • OPA141: Single Channel, Higher Bandwidth
  • OPA146: Dual Channel Equivalent
  • OPA147: Quad Channel Equivalent

In conclusion, the OPA145IDR is a versatile operational amplifier with high-speed performance and low-power consumption, making it suitable for a diverse range of precision signal processing applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av OPA145IDR i tekniska lösningar

  1. What is OPA145IDR?

    • OPA145IDR is a low-power, precision operational amplifier designed for use in a wide range of applications, including sensor signal conditioning, instrumentation, and control systems.

  2. What is the supply voltage range for OPA145IDR?

    • The supply voltage range for OPA145IDR is typically between 2.7V and 5.5V.

  3. What is the input offset voltage of OPA145IDR?

    • The input offset voltage of OPA145IDR is typically around 150µV.

  4. What is the bandwidth of OPA145IDR?

    • The bandwidth of OPA145IDR is typically around 1MHz.

  5. What are the typical applications for OPA145IDR?

    • Typical applications for OPA145IDR include sensor interfaces, transducer amplifiers, and precision integrators.

  6. What is the input bias current of OPA145IDR?

    • The input bias current of OPA145IDR is typically around 0.5pA.

  7. What is the temperature range for OPA145IDR?

    • OPA145IDR is designed to operate over a temperature range of -40°C to 125°C.

  8. What is the package type for OPA145IDR?

    • OPA145IDR is available in a standard SOIC-8 package.

  9. Can OPA145IDR be used in battery-powered applications?

    • Yes, OPA145IDR's low power consumption makes it suitable for battery-powered applications.

  10. Is OPA145IDR suitable for precision measurement applications?

    • Yes, OPA145IDR's low offset voltage and low noise make it suitable for precision measurement applications.