LM324AD

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LM324AD

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Specifications

Attribute Value
Package Tube
Series Automotive, AEC-Q100
ProductStatus Obsolete
AmplifierType General Purpose
NumberofCircuits 4
SlewRate 0.5V/µs
GainBandwidthProduct 1.3 MHz
Current-InputBias 15 nA
Voltage-InputOffset 2 mV
Current-Supply 1.4mA (x4 Channels)
Current-Output/Channel 30 mA
Voltage-SupplySpan(Min) 3 V
Voltage-SupplySpan(Max) 30 V
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Surface Mount
Package/Case 14-SOIC (0.154, 3.90mm Width)

Overview

Description

The LM324AD is a popular quad operational amplifier (op-amp) integrated circuit, widely used in various electronic applications. It consists of four independent op-amps housed in a single package, making it cost-effective and versatile for implementing multiple signal processing tasks. The device is designed to operate from a single power supply over a wide range of voltages, which makes it suitable for battery-powered devices and other low-voltage applications.
Key features of the LM324AD include low power consumption, wide bandwidth, and high gain. It can handle input voltages close to the ground, allowing it to work effectively in low-power situations. The output can drive loads such as LEDs or other components without significant additional circuitry.
The LM324AD is ideal for analog signal conditioning, filtering, and amplification in applications like audio processing, sensor signal conditioning, and general-purpose analog circuits. Its robust performance, coupled with its affordability, makes it a staple in both educational and industrial electronics projects.

Equivalent

The LM324AD is a quad operational amplifier chip. Its equivalent products include the LM324N, LM324P, LM2902, TL084, and MC33072. These chips typically have similar pin configurations and electrical characteristics, making them interchangeable for many applications. However, check the specific datasheets for compatibility in terms of voltage, current, and temperature ranges to ensure proper functionality within your circuit.

Features

The LM324AD is a quad operational amplifier (op-amp) designed for general-purpose applications. Key features of the LM324AD include:
1. Quad Op-Amp Configuration: Contains four independent op-amps in a single package.
2. Wide Supply Voltage Range: Operates from a single supply as low as 3V and as high as 32V, or dual supplies from ±1.5V to ±16V, making it versatile for various applications.
3. Low Supply Current: Designed for low power consumption, with a typical quiescent current of 700 µA per amplifier, ensuring efficient operation.
4. Input Common-Mode Range: Includes ground, allowing the input to accommodate signals close to 0V in a single-supply configuration.
5. Low Input Bias Current: Typical input bias current is about 20 nA, which is suitable for many sensor and low-current applications.
6. Unity-Gain Bandwidth: Typically around 1 MHz, suitable for many general-purpose applications.
7. Output Drive Capability: Can drive loads down to 2 kΩ, suitable for interfacing with other circuit components.
These features make the LM324AD ideal for a wide range of applications, including signal conditioning, filtering, and general analog processing in industrial and consumer electronics.

Pinout

The LM324AD is a quad operational amplifier IC, meaning it contains four independent op-amps in a single package. It typically comes in a 14-pin SOIC (Small Outline Integrated Circuit) package. Here’s a brief overview of the pin functions:
1. Pin 1: Output of Op-Amp 1
2. Pin 2: Inverting Input of Op-Amp 1
3. Pin 3: Non-Inverting Input of Op-Amp 1
4. Pin 4: VCC (Positive Power Supply)
5. Pin 5: Non-Inverting Input of Op-Amp 2
6. Pin 6: Inverting Input of Op-Amp 2
7. Pin 7: Output of Op-Amp 2
8. Pin 8: Output of Op-Amp 3
9. Pin 9: Inverting Input of Op-Amp 3
10. Pin 10: Non-Inverting Input of Op-Amp 3
11. Pin 11: VEE/GND (Negative Power Supply or Ground)
12. Pin 12: Non-Inverting Input of Op-Amp 4
13. Pin 13: Inverting Input of Op-Amp 4
14. Pin 14: Output of Op-Amp 4
These op-amps are commonly used in signal conditioning, filtering, or general analog applications due to their wide supply voltage range and low power consumption.

Manufacturer

The LM324AD is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a wide range of analog and embedded processing chips. Founded in 1930 and headquartered in Dallas, Texas, TI is recognized for its innovation in electronic components and systems. The company serves a diverse range of industries, including automotive, industrial, electronics, and communications, by providing products that enable efficient power management, signal processing, and wireless connectivity.

Application

The LM324AD is a quad operational amplifier commonly used in various applications due to its versatility and low cost. Key application areas include signal conditioning, where it amplifies small signals from sensors; active filters, for shaping frequency responses in audio and communication systems; and comparators, to compare input voltage levels in control systems. It is also utilized in oscillators to generate waveforms and in voltage followers for impedance matching. Additionally, its ability to operate from a single power supply makes it suitable for battery-powered devices. The LM324AD is found in consumer electronics, automotive systems, industrial controls, and instrumentation.

Package

The LM324AD is typically available in a Surface Mount Device (SMD) package, specifically the SOIC-14 (Small Outline Integrated Circuit with 14 pins). This package type allows for compact design and is suitable for applications requiring a small footprint on printed circuit boards (PCBs).

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