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LM248DRE4
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LM248DRE4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Operational Amplifier
  • Characteristics: Low power consumption, high gain, wide bandwidth
  • Package: SOIC-14
  • Essence: The LM248DRE4 is a quad operational amplifier designed for general-purpose applications.
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage: ±2V to ±18V
  • Input Offset Voltage: 2mV (maximum)
  • Input Bias Current: 20nA (maximum)
  • Gain Bandwidth Product: 1MHz (typical)
  • Slew Rate: 0.5V/µs (typical)
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM248DRE4 has a standard pin configuration as follows:

__ __ Vcc1 | 1 14 | Vcc2 In1 | 2 13 | Out1 In2 | 3 12 | Out2 In3 | 4 11 | Out3 In4 | 5 10 | Out4 Gnd | 6 9 | N/C Out | 7 8 | N/C ¯¯ ¯¯

Functional Features

  • Low input offset voltage and bias current for accurate signal amplification
  • High gain and wide bandwidth for versatile applications
  • Low power consumption for energy efficiency
  • Stable operation over a wide temperature range
  • Short-circuit protection for enhanced reliability

Advantages and Disadvantages

Advantages: - Accurate amplification of signals with low offset voltage and bias current - Versatile applications due to high gain and wide bandwidth - Energy-efficient operation with low power consumption - Reliable performance with short-circuit protection

Disadvantages: - Limited supply voltage range compared to some other operational amplifiers - Slightly lower slew rate compared to high-speed amplifiers

Working Principles

The LM248DRE4 is based on a differential amplifier configuration. It amplifies the difference between its two input voltages, providing a high-gain output signal. The internal circuitry ensures accurate amplification while minimizing offset voltage and bias current. The amplifier operates within a specified supply voltage range and maintains stability over a wide temperature range.

Detailed Application Field Plans

The LM248DRE4 is commonly used in various applications, including:

  1. Audio Amplification: The low distortion and high gain of the LM248DRE4 make it suitable for audio amplifiers in consumer electronics.
  2. Signal Conditioning: Its accurate amplification capabilities make it ideal for sensor signal conditioning in industrial automation.
  3. Active Filters: The wide bandwidth and stable operation of the LM248DRE4 enable its use in active filter circuits for signal processing.
  4. Instrumentation Amplifiers: Its low offset voltage and bias current make it suitable for precision instrumentation amplifiers in measurement systems.

Detailed and Complete Alternative Models

  1. LM324: Similar quad operational amplifier with a wider supply voltage range.
  2. LM358: Dual operational amplifier with similar characteristics but fewer channels.
  3. TL084: Quad operational amplifier with higher slew rate and wider bandwidth.

These alternative models offer similar functionality and can be considered as substitutes for the LM248DRE4 depending on specific requirements.

Word count: 409 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM248DRE4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LM248DRE4 in technical solutions:

  1. Q: What is LM248DRE4? A: LM248DRE4 is a quad operational amplifier (op-amp) designed for general-purpose applications.

  2. Q: What are the key features of LM248DRE4? A: Some key features include low input offset voltage, low input bias current, wide supply voltage range, and high output current capability.

  3. Q: What are the typical applications of LM248DRE4? A: LM248DRE4 can be used in various applications such as active filters, instrumentation amplifiers, signal conditioning circuits, and voltage followers.

  4. Q: What is the supply voltage range for LM248DRE4? A: The supply voltage range for LM248DRE4 is typically between ±2V and ±18V.

  5. Q: What is the input offset voltage of LM248DRE4? A: The input offset voltage of LM248DRE4 is typically around 2 mV.

  6. Q: What is the input bias current of LM248DRE4? A: The input bias current of LM248DRE4 is typically around 20 nA.

  7. Q: Can LM248DRE4 operate in single-supply configurations? A: Yes, LM248DRE4 can operate in single-supply configurations by connecting the negative supply pin (V-) to ground.

  8. Q: What is the maximum output current of LM248DRE4? A: The maximum output current of LM248DRE4 is typically around 40 mA.

  9. Q: Does LM248DRE4 have built-in protection features? A: Yes, LM248DRE4 has built-in protection features such as short-circuit protection and thermal shutdown.

  10. Q: Is LM248DRE4 available in different package options? A: Yes, LM248DRE4 is available in various package options including SOIC-14 and TSSOP-14.

Please note that the specific values mentioned above are for illustrative purposes and may vary depending on the manufacturer's specifications.