LM324N

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Especificações

Atributo Valor
Package / Case Tube
Part Status Obsolete
Amplifier Type General Purpose
Number of Circuits 4
Slew Rate 0.4V/µs
Gain Bandwidth Product 1.3 MHz
Current - Input Bias 20 nA
Voltage - Input Offset 2 mV
Supply Current 1.5mA
Current - Output / Channel 40 mA
Voltage - Supply Span(Min) 3 V
Voltage - Supply Span(Max) 30 V
Operating Temperature 0°C ~ 70°C
Mounting Type Through Hole

Visão Geral

Description

The LM324N is a quad operational amplifier (op-amp) integrated circuit designed for a wide range of analog applications. Featuring four independent, high-gain, internally frequency-compensated op-amps, the LM324N is suitable for single-supply and dual-supply voltage operations. It operates over a wide voltage range from 3V to 32V (or ±1.5V to ±16V for dual supplies), making it versatile for various power supply configurations.
Key features of the LM324N include low power consumption, a wide bandwidth of 1 MHz, low input bias current, and a high gain of 100 dB. It is commonly used in filtering, signal conditioning, and level shifting applications. Its ability to function effectively with a single power supply makes it ideal for battery-operated devices and applications where space and power efficiency are critical.
The LM324N is housed in a 14-pin dual in-line package (DIP), making it easy to use on breadboards and through-hole PCBs. Its robust design and reliable performance have made it a staple in analog circuit design.

Equivalent

Equivalent products to the LM324N operational amplifier chip include the:
1. LM324 (generic version)
2. LM324P
3. LM324D
4. TL074
5. MC33074
6. UA741 (single op-amp, functionally similar but not a direct quad replacement)
7. LM2902 (industrial version with similar characteristics)
These equivalents vary in package type, power ratings, and performance specifications, so it's essential to verify compatibility based on your specific application requirements.

Features

The LM324N is a quad operational amplifier featuring four independent high-gain op-amps in a single package. Key features include:
1. Wide Supply Voltage Range: Operates from 3V to 32V (single supply) and ±1.5V to ±16V (dual supply).
2. Low Supply Current: Consumes a low quiescent current, making it suitable for battery-powered applications.
3. Wide Bandwidth: Provides a frequency bandwidth of about 1 MHz.
4. Low Input Bias Current: Typically around 20 nA, minimizing errors due to input bias.
5. Unity Gain Stable: Maintains stability even when configured for unity gain.
6. Low Input Offset Voltage: Typically around 2 mV, allowing for precise amplification.
7. High Slew Rate: Approximately 0.5 V/μs, suitable for moderate-speed applications.
8. Common Mode Range Includes Ground: Can be used in single-supply applications with the ability to sense near ground levels.
9. Wide Temperature Range: Typically operates from 0°C to 70°C.
These features make the LM324N suitable for a variety of applications such as signal conditioning, data acquisition, and active filtering.

Pinout

The LM324N is a quad operational amplifier, meaning it contains four independent op-amps in a single package. It is housed in a 14-pin Dual Inline Package (DIP). Here is a concise description of its pin configuration and function:
1. Pin 1 (Output 1): Output of the first op-amp.
2. Pin 2 (Inverting Input 1): Inverting input of the first op-amp.
3. Pin 3 (Non-inverting Input 1): Non-inverting input of the first op-amp.
4. Pin 4 (VCC+): Positive power supply voltage.
5. Pin 5 (Non-inverting Input 2): Non-inverting input of the second op-amp.
6. Pin 6 (Inverting Input 2): Inverting input of the second op-amp.
7. Pin 7 (Output 2): Output of the second op-amp.
8. Pin 8 (Output 3): Output of the third op-amp.
9. Pin 9 (Inverting Input 3): Inverting input of the third op-amp.
10. Pin 10 (Non-inverting Input 3): Non-inverting input of the third op-amp.
11. Pin 11 (VCC-): Negative power supply voltage (Ground).
12. Pin 12 (Non-inverting Input 4): Non-inverting input of the fourth op-amp.
13. Pin 13 (Inverting Input 4): Inverting input of the fourth op-amp.
14. Pin 14 (Output 4): Output of the fourth op-amp.
The LM324N is designed for use in a wide range of applications, including amplifiers, integrators, and oscillators.

Manufacturer

The LM324N is a quad operational amplifier that has been manufactured by multiple companies, including Texas Instruments, STMicroelectronics, and ON Semiconductor, among others.
1. Texas Instruments - Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the top semiconductor companies globally and is known for its innovation in analog and embedded processing products.
2. STMicroelectronics - STMicroelectronics is a global semiconductor company headquartered in Switzerland. It provides a wide range of electronics and semiconductor solutions, including microcontrollers, sensors, and power management products.
3. ON Semiconductor - ON Semiconductor, now known as onsemi, is an American company that offers a comprehensive portfolio of innovative energy-efficient power and signal management, logic, discrete, and custom solutions to help customers solve their design challenges in automotive, communications, computing, consumer, industrial, medical, and military/aerospace applications.
The LM324N is a versatile component used in various analog applications, and its manufacturing by multiple companies ensures its wide availability and consistent performance across different products and industries.

Application

The LM324N is a versatile quad operational amplifier used in various applications due to its wide power supply range and low power consumption. Key application areas include:
1. Signal Conditioning: Amplifying low-level signals in sensor interfaces.
2. Active Filters: Implementing low-pass, high-pass, and band-pass filter designs.
3. Oscillators: Forming the core of waveform generators and oscillators.
4. Comparators: Used in voltage comparison circuits.
5. Voltage Followers: Providing buffer stages with high input impedance.
6. Analog Calculators: Performing mathematical operations like addition and integration.
7. Audio Preamplifiers: Enhancing audio signals prior to further amplification.
These applications take advantage of the LM324N's stability and ability to operate with single power supply voltages.

Package

The LM324N is a quad operational amplifier IC typically housed in a 14-pin Dual In-line Package (DIP). This package type is commonly used for through-hole mounting on printed circuit boards.

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