STMicroelectronics
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
LM248DT
詳細を表示 DataSheets

LM248DT

Product Overview

Category: Integrated Circuit (IC)

Use: LM248DT is a quad operational amplifier designed for general-purpose applications. It is commonly used in electronic circuits where amplification and signal processing are required.

Characteristics: - Low input offset voltage - High gain bandwidth product - Wide supply voltage range - Low power consumption

Package: LM248DT is available in a small outline package (SOIC) with 14 pins.

Essence: The essence of LM248DT lies in its ability to amplify and process signals accurately and efficiently.

Packaging/Quantity: LM248DT is typically sold in reels or tubes, containing a specific quantity of ICs per package.

Specifications

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

Detailed Pin Configuration

LM248DT has a total of 14 pins, which are assigned specific functions as follows:

  1. OUT1: Output pin for amplifier 1
  2. IN-1: Inverting input pin for amplifier 1
  3. IN+1: Non-inverting input pin for amplifier 1
  4. V-: Negative power supply pin
  5. IN+2: Non-inverting input pin for amplifier 2
  6. IN-2: Inverting input pin for amplifier 2
  7. OUT2: Output pin for amplifier 2
  8. V+: Positive power supply pin
  9. OUT3: Output pin for amplifier 3
  10. IN-3: Inverting input pin for amplifier 3
  11. IN+3: Non-inverting input pin for amplifier 3
  12. OUT4: Output pin for amplifier 4
  13. IN-4: Inverting input pin for amplifier 4
  14. IN+4: Non-inverting input pin for amplifier 4

Functional Features

  1. Low Input Offset Voltage: LM248DT exhibits low input offset voltage, ensuring accurate amplification of signals.
  2. High Gain Bandwidth Product: The high gain bandwidth product allows for amplification of a wide range of frequencies.
  3. Wide Supply Voltage Range: LM248DT can operate within a wide supply voltage range, providing flexibility in various applications.
  4. Low Power Consumption: The IC consumes low power, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - Accurate signal amplification - Wide frequency range - Versatile power supply options - Energy-efficient operation

Disadvantages: - Limited output current capability - Not suitable for high-power applications

Working Principles

LM248DT operates based on the principles of operational amplifiers. It utilizes multiple amplification stages to process and amplify input signals. The differential inputs allow for precise amplification, while the feedback mechanism ensures stability and control over the output signal.

Detailed Application Field Plans

LM248DT finds applications in various fields, including: 1. Audio Amplification: LM248DT can be used in audio amplifiers to enhance sound signals. 2. Signal Conditioning: It is employed in signal conditioning circuits to modify and prepare signals for further processing. 3. Sensor Interface: LM248DT can interface with sensors to amplify and process their output signals. 4. Active Filters: It is utilized in active filter circuits to shape and manipulate frequency response.

Detailed and Complete Alternative Models

Some alternative models to LM248DT include: - LM324 - LM358 - TL084 - NE5532

These models offer similar functionality and can be used as substitutes for LM248DT in various applications.

Word count: 511 words

技術ソリューションにおける LM248DT の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of LM248DT in technical solutions:

  1. Q: What is LM248DT? A: LM248DT is a quad operational amplifier (op-amp) integrated circuit commonly used in various electronic applications.

  2. Q: What is the voltage supply range for LM248DT? A: The voltage supply range for LM248DT is typically between ±2V and ±18V.

  3. Q: What is the maximum output current of LM248DT? A: The maximum output current of LM248DT is typically around 20mA.

  4. Q: Can LM248DT be used as a voltage comparator? A: Yes, LM248DT can be used as a voltage comparator due to its high gain and differential inputs.

  5. Q: What is the input offset voltage of LM248DT? A: The input offset voltage of LM248DT is typically very low, around a few millivolts.

  6. Q: Is LM248DT suitable for audio applications? A: Yes, LM248DT can be used in audio applications such as audio amplifiers or audio mixers.

  7. Q: Can LM248DT operate at high frequencies? A: Yes, LM248DT has a wide bandwidth and can operate at high frequencies, typically up to several megahertz.

  8. Q: Does LM248DT require external compensation? A: No, LM248DT is internally compensated and does not require any external components for stability.

  9. Q: Can LM248DT be used in single-supply applications? A: Yes, LM248DT can be used in single-supply applications by biasing the inputs and outputs to the mid-supply voltage.

  10. Q: What are some common applications of LM248DT? A: LM248DT is commonly used in audio amplifiers, active filters, instrumentation amplifiers, signal conditioners, and various other analog circuits.

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