テキサス・インスツルメンツ LM324 クワッドオペアンプIC - DIPパッケージ リニアアンプ

1. The LM324 provides four independent op amps, enabling cost-effective signal amplification in compact designs. 2. With a wide supply voltage range of 3V to 32V, the LM324 supports flexible integration across diverse analog systems. 3. Its low power consumption and availability in space-saving packages make it ideal for battery-powered devices. 4. In sensor signal conditioning, the LM324 enhances accuracy and stability, improving overall system reliability. 5. Manufactured by Texas Instruments, it ensures consistent quality backed by a trusted industry leader.

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テキサス・インスツルメンツのロゴ
产品上方询盘

LM324 Quad Op-Amp IC – High-Performance Operational Amplifier for Industrial and Consumer Applications

について LM324 is a widely used quad operational amplifier IC designed for single-supply or dual-supply operation. Manufactured by テキサス・インスツルメンツ(TI), this device integrates four independent, high-gain, internally frequency-compensated op-amps in a single 14-pin package. Known for its low power consumption and wide voltage range, the LM324 is ideal for a broad range of analog signal processing applications in industrial, automotive, and consumer electronics.

Engineered for reliability and versatility, the LM324 is a go-to solution for engineers and designers seeking a cost-effective and robust analog component. Its ability to operate from a single power supply makes it especially suitable for battery-powered and portable systems.

技術仕様と電気的特性

The following table outlines the key technical parameters of the LM324 quad op-amp IC:

パラメータ価値単位
チャンネル数4-
Supply Voltage Range (Single Supply)3 to 32V
Supply Voltage Range (Dual Supply)±1.5 to ±16V
入力オフセット電圧(最大)7mV
Input Bias Current (Typical)45nA
利得帯域幅製品1.2MHz
スルー・レート0.5V/µs
出力電圧スイング0 to (V+ – 1.5)V
動作温度範囲0 から 70°C
パッケージタイプPDP、ソイック、TSSOP-

Why Choose This Quad Op-Amp Over Standard Alternatives?

The LM324 offers several パフォーマンスの利点 over typical op-amps in its class. Unlike many traditional op-amps that require dual power supplies, this device supports 単一電源動作, significantly simplifying power design in compact systems. Its low input bias current and wide common-mode input voltage range make it suitable for sensor signal conditioning and low-level signal amplification.

Compared to standard op-amps, the LM324 provides:

  • 低消費電力, ideal for battery-operated devices
  • Internally frequency-compensated design for ease of use and stability
  • Wide supply voltage range for flexible system integration
  • High input impedance and low offset voltage for precision applications

These features make the LM324 a preferred choice among design engineers and system integrators. According to industry professionals, “The LM324 remains a staple in analog design due to its reliability, availability, and ease of implementation.”

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产品中间询盘

産業用および民生用電子機器における代表的な用途

The LM324 is widely adopted in various analog signal processing applications. Its versatility and robust performance make it suitable for:

  • Sensor signal amplification in industrial automation systems
  • Active filters and audio preamplifiers in consumer electronics
  • Voltage followers and buffer circuits in instrumentation
  • Comparator circuits in automotive control units
  • Analog computing and mathematical operations in embedded systems

Its ability to operate from a single supply and deliver rail-to-rail output (within 1.5V of the supply) makes it especially useful in low-voltage and portable applications.

テキサス・インスツルメンツ - 信頼のアナログICメーカー

テキサス・インスツルメンツ(TI) is a globally recognized leader in analog and embedded processing semiconductors. With decades of innovation and a commitment to quality, TI’s analog ICs are trusted by engineers worldwide. The LM324 is part of TI’s extensive portfolio of operational amplifiers, known for their performance, reliability, and long-term availability.

TI’s rigorous testing and quality assurance processes ensure that every LM324 IC meets stringent industry standards. This commitment to excellence has made TI a preferred supplier for mission-critical applications in automotive, industrial, and medical sectors.

よくある質問(FAQ)

1. What is the main advantage of using the LM324 in single-supply systems?

The LM324 is designed to operate efficiently with a single power supply, simplifying circuit design and reducing component count. This makes it ideal for battery-powered and portable applications.

2. Can the LM324 be used for audio signal processing?

Yes, the LM324 is suitable for audio applications such as preamplifiers and active filters. Its low distortion and wide bandwidth make it a reliable choice for analog audio circuits.

3. What is the maximum supply voltage the LM324 can handle?

The LM324 can operate with a single supply voltage up to 32V or dual supplies up to ±16V, offering flexibility for various system requirements and power configurations.

4. Is the LM324 suitable for use in automotive environments?

Yes, the LM324 is commonly used in automotive systems for signal conditioning and comparator functions. Its wide temperature range and robust design support automotive-grade reliability.

5. How does the LM324 compare to other

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