LM324 Op amp Pinout,Datasheet,Spec,Circuit:How to Test LM324?
yunying Release time：2024-04-03 Page View：2042
LM324 Quad 30-V 1.2-MHz operational amplifier
Introduction
Dear friends, What is the function of LM324? LM324 spec sheet, features, alternative options, applications, package types, and an overview of its working principle. Additionally, we will provide a step-by-step guide on how to test an LM324 integrated circuit. So, let's dive in!
LM324 Overview:
What is LM324?The LM324 is a quad op-amp IC, meaning it contains four independent operational amplifiers in a single package(same as LM324A, LM2902/LM2902A). The IC operates from a single power supply, typically ranging from 3V to 32V. Application areas include transducer amplifier, DC gain blocks and all the conventional OP Amp circuits which now can be easily implemented in single power supply systems.
LM324 Features
●Internally Frequency Compensated for Unity Gain
●Large DC Voltage Gain: 100dB
●Wide Power Supply Range:
LM324/LM324A: 3V~32V (or+1.5~ 16V)
LM2902/LM2902A: 3V~26V (or +1.5V ~ 13V)
●Input Common Mode Voltage Range Includes Ground
●Large Output Voltage Swing: 0V to Vcc -1.5V
●Power Drain Suitable for Battery Operation
LM324 Pinout
LM324 Datasheet
Swipe to the end of the article to get LM324 Datasheet,LM324 Specification and product comparison
LM324 CAD-Model
Symbol
Footprint
3D-Model
LM324 Alternative
While the LM324 is a popular choice, there are alternative op-amp ICs available that can serve similar functions. Some commonly used alternatives to the LM324 include the LM358, LM741, and TL072.
3. LM324 Applications
The LM324 finds applications in a wide range of electronic circuits. Some common applications include:
- Signal amplification and filtering
- Voltage and current sensing
- Oscillators and waveform generators
- Comparators and voltage level detectors
- Active filters and equalizers
- Voltage regulators
- Sensor interfaces
- Audio amplifiers
- Function generators
LM324 Package
The LM324 is available in various package types, including DIP (Dual Inline Package), SOIC (Small Outline Integrated Circuit), and TSSOP (Thin Shrink Small Outline Package). These package types offer different sizes and pin configurations to accommodate different circuit designs and requirements.
LM324 Amplifier Circuit Diagram
To provide a visual representation, below is a simple LM324 amplifier circuit diagram:
Working Principle of LM324
How does the LM324 work? The LM324 operates as a voltage amplifier and comparator. It consists of four independent op-amps that can be used individually or in combination. Each op-amp has inverting and non-inverting inputs, a differential amplifier stage, and an output stage. The op-amp amplifies the voltage difference between its inputs and produces an output voltage based on its internal gain and feedback configuration.
Testing the LM324
To test an LM324 IC, follow these steps:
Step 1: Ensure proper connections: Connect the power supply (within the IC's specified voltage range) and ground pins correctly.
Step 2: Apply input signals: Connect appropriate input signals (voltage or current) to the desired op-amp inputs.
Step 3: Measure output: Measure the output voltage or current using a multimeter or an oscilloscope.
Step 4: Compare with expected results: Compare the measured output with the expected output based on the circuit configuration and specifications.
Conclusion
The LM324 non inverting amplifier is a versatile operational amplifier IC that finds applications in various electronic circuits. Its quad op-amp configuration, wide voltage range, and availability in different package types make it suitable for a range of designs. Understanding its features, applications, and testing procedures can greatly enhance your ability to work with this IC effectively. By following the steps outlined in this article, you can test an LM324 and verify its functionality in your circuit designs.
Specifications
- Manufacturer :
- Texas Instruments
- Product Category :
- Instrumentation, OP Amps, Buffer Amps
- Amplifier Type :
- GENERAL PURPOSE
- Bandwidth :
- 12 kHz
- Base Part Number :
- LM324
- Common Mode Rejection Ratio :
- 65 dB
- Current - Input Bias :
- 40nA
- Current - Output / Channel :
- 40mA
- Current - Supply :
- 1mA
- Dual Supply Voltage :
- 3V
- Factory Lead Time :
- 7 Weeks
- Gain :
- 100 dB
- Gain Bandwidth Product :
- 1MHz
- Height :
- 3.25mm
- Input Offset Voltage (Vos) :
- 7mV
- Lead Free :
- Lead Free
- Length :
- 19.3mm
- Lifecycle Status :
- LAST SHIPMENTS (Last Updated: 3 days ago)
- Max Dual Supply Voltage :
- 16V
- Max Frequency :
- 20kHz
- Max Operating Temperature :
- 70°C
- Max Power Dissipation :
- 1.31W
- Max Supply Current :
- 700µA
- Max Supply Voltage :
- 32V
- Min Dual Supply Voltage :
- 1.5V
- Min Operating Temperature :
- 0°C
- Min Supply Voltage :
- 3V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mount :
- Through Hole
- Mounting Type :
- Through Hole
- Nominal Supply Current :
- 1.2mA
- Number of Amplifiers :
- 4
- Number of Channels :
- 4
- Number of Circuits :
- 4
- Number of Elements :
- 4
- Number of Pins :
- 14
- Operating Supply Current :
- 1mA
- Operating Supply Voltage :
- 5V
- Operating Temperature :
- 0°C~70°C
- Output Current :
- 40mA
- Output Current per Channel :
- 40mA
- Package / Case :
- 14-DIP (0.300, 7.62mm)
- Packaging :
- Tube
- Part Status :
- Obsolete
- Power Dissipation :
- 1.31W
- Power Supply Rejection Ratio (PSRR) :
- 65dB
- Published :
- 2010
- Radiation Hardening :
- No
- REACH SVHC :
- No SVHC
- RoHS Status :
- RoHS Compliant
- Slew Rate :
- 0.3 V/µs
- Supplier Device Package :
- 14-DIP
- Voltage - Input Offset :
- 1.5mV
- Voltage - Supply, Single/Dual (±) :
- 3V~32V ±1.5V~16V
- Voltage Gain :
- 100dB
- Weight :
- 1.62g
- Width :
- 6.35mm
Datasheets
- Datasheets
- LM324N
Product comparison
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ImagePart NumberManufacturerToleranceVoltage - RatedProduct StatusPackage / CaseProduct CategoryView Compare
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14-DIP (0.300, 7.62mm)
Instrumentation, OP Amps, Buffer Amps
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Obsolete
Die
Instrumentation, OP Amps, Buffer Amps
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14-DIP (0.300, 7.62mm)
Instrumentation, OP Amps, Buffer Amps
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14-SOIC (0.154, 3.90mm Width)
Instrumentation, OP Amps, Buffer Amps
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Frequently Asked Questions
What does ‘’LM’’ stands for in LM324?
1. LM stands for "linear monolithic." The prefix "LM" is commonly used for various integrated circuits manufactured by Texas Instruments, including the LM324.
What is LM324?
2. The LM324 is a popular operational amplifier (op-amp) integrated circuit that offers a wide range of applications in electronics. LM324 consist of four independent, high gain, intemally frequency compensated operational amplifiers which were designed specifically to operate from a single power supply over a wide voltage range. operation from split power supplies is also possible so long as the difference between the two supplies is 3 volts to 32 volts.
How does the LM 324 work?
3. The LM324 is an operational amplifier (op-amp) integrated circuit that operates as a voltage amplifier and comparator. It consists of four independent op-amps within a single package. The op-amp amplifies the voltage difference between its inputs and produces an output voltage based on its internal gain and feedback configuration. The LM324 can be used in a wide range of applications, including signal amplification, filtering, oscillators, comparators, and more.
What is the output of LM324?
4. The output of the LM324 depends on the specific application and circuit configuration. As an op-amp, the output voltage can vary based on the input voltage, the feedback network, and the power supply voltage. The output voltage range typically depends on the power supply voltage used. For example, if the power supply voltage is within the recommended range of 3V to 32V, the output voltage can swing close to the supply voltage.
What is the voltage of LM324 pinout?
5. The LM324 has multiple pins, each serving a specific purpose. The voltage levels on the pinout of the LM324 depend on the power supply voltage used. The LM324 has two power supply pins: VCC+ (pin 8) and VCC- (pin 4). These pins are used to provide the positive and negative power supply voltages, respectively. The voltage levels on these pins should be within the recommended power supply voltage range mentioned in the datasheet or specifications of the LM324. It is important to note that the pin numbering and voltage levels may vary depending on the specific package type of the LM324 (e.g., DIP, SOIC, TSSOP).
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