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UA748CDT

UA748CDT

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Operational Amplifier
  • Characteristics: High-performance, general-purpose operational amplifier
  • Package: DIP-8 (Dual In-line Package with 8 pins)
  • Essence: The UA748CDT is a versatile operational amplifier designed for various applications.
  • Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

  • Supply Voltage: ±5V to ±18V
  • Input Offset Voltage: 2mV (maximum)
  • Input Bias Current: 200nA (maximum)
  • Input Offset Current: 20nA (maximum)
  • Gain Bandwidth Product: 1MHz (typical)
  • Slew Rate: 0.5V/µs (typical)
  • Common Mode Rejection Ratio: 90dB (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The UA748CDT has the following pin configuration:

```


| | --| IN(-) O|-- Output --| IN(+) |-+- --| V- | --| V+ | --| NC | --| OUT | --| NC | |__________| ```

Functional Features

  • High gain and bandwidth make it suitable for precision applications.
  • Low input offset voltage and current ensure accurate signal processing.
  • Wide supply voltage range allows flexibility in power supply selection.
  • Excellent common mode rejection ratio minimizes noise interference.
  • Short-circuit protection prevents damage to the device.

Advantages and Disadvantages

Advantages: - Versatile and widely used in various applications. - High performance and accuracy. - Wide supply voltage range. - Short-circuit protection.

Disadvantages: - Relatively low gain bandwidth product compared to some modern operational amplifiers. - Limited temperature range compared to some specialized amplifiers.

Working Principles

The UA748CDT is a general-purpose operational amplifier that amplifies the difference between its two input terminals. It operates based on the principles of differential amplification and feedback control. The input signal is amplified by a high-gain internal amplifier, and the output is adjusted to minimize the difference between the inverting and non-inverting inputs.

Detailed Application Field Plans

The UA748CDT can be used in various applications, including: 1. Audio amplification circuits 2. Signal conditioning circuits 3. Active filters 4. Instrumentation amplifiers 5. Voltage regulators 6. Oscillators

Detailed and Complete Alternative Models

Some alternative models to the UA748CDT are: - LM741 - TL071 - OP07 - AD822

These alternatives offer similar functionality and can be used as replacements depending on specific requirements.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng UA748CDT trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of UA748CDT in technical solutions:

  1. Q: What is UA748CDT? A: UA748CDT is a general-purpose operational amplifier (op-amp) integrated circuit commonly used in various electronic applications.

  2. Q: What is the voltage supply range for UA748CDT? A: The voltage supply range for UA748CDT typically ranges from ±5V to ±18V.

  3. Q: What is the maximum output current of UA748CDT? A: The maximum output current of UA748CDT is typically around 25mA.

  4. Q: Can UA748CDT be used as a voltage follower? A: Yes, UA748CDT can be used as a voltage follower by connecting the input directly to the non-inverting terminal and the output to the inverting terminal.

  5. Q: What is the typical gain bandwidth product of UA748CDT? A: The typical gain bandwidth product of UA748CDT is around 1 MHz.

  6. Q: Is UA748CDT suitable for low-power applications? A: No, UA748CDT is not specifically designed for low-power applications. It consumes relatively higher power compared to modern op-amps.

  7. Q: Can UA748CDT operate with a single power supply? A: Yes, UA748CDT can operate with a single power supply, but it requires a biasing circuit to set the virtual ground reference.

  8. Q: What is the input offset voltage of UA748CDT? A: The input offset voltage of UA748CDT typically ranges from 2mV to 6mV.

  9. Q: Can UA748CDT be used in audio amplifier circuits? A: Yes, UA748CDT can be used in audio amplifier circuits, but it may not provide the same level of performance as dedicated audio op-amps.

  10. Q: Is UA748CDT suitable for precision applications? A: No, UA748CDT is not recommended for precision applications due to its relatively higher input offset voltage and limited accuracy.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.