
LM324J Linear - Amplifiers - Instrumentation, Operational Amplifiers, Buffer Amplifiers by Texas Instruments
LM324J is a Linear - Amplifiers - Instrumentation, Operational Amplifiers, Buffer Amplifiers from Texas Instruments in CDIP packaging. It is commonly reviewed for IC INST AMP 4 CIRCUIT 14-CERDIP. This page lists current TrustCompo stock, tier pricing, package data, datasheet access, compliance attributes, Hong Kong warehouse shipping options, payment confirmation, and RFQ options for buyers verifying this exact ordering code.
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Key specifications
- Part Number
LM324J
- Internal code
TCE000050928
- Package
CDIP
- Manufacturer
- Texas Instruments
Key specifications
- Series
-
- Min Quantity
1
- Category
- Integrated Circuits (ICs)
- Description
IC INST AMP 4 CIRCUIT 14-CERDIP
- key Attributes
-
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RFQ checklist
Order process
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- 1
Confirm MPN
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- 2
Check stock and price
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- 3
Align documents
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- 4
Arrange shipment
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Before PO release
Part confirmation
- Exact MPN confirmed: LM324J
- Package to verify: CDIP
Commercial confirmation
- Live stock and lead time confirmed by RFQ
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Fulfillment & documents
- Ship-from location: Hong Kong warehouse
- Shipping method: DHL, FedEx, UPS, or buyer forwarder account
Product overview
Product overview
Review the sourcing context for LM324J from Texas Instruments, including product identity, application fit, package notes, and purchasing considerations.
The LM324J is a quad operational amplifier (op-amp) integrated circuit (IC) produced by Texas Instruments. It is designed for a variety of analog signal processing applications, making it a versatile component in electronic circuits. Here’s a detailed description of its features and specifications:
General Features:
- Quad Configuration: The LM324J contains four independent, high-gain, internally frequency-compensated op-amps, allowing for multiple signal processing tasks within a single package.
- Single Supply Operation: It can operate from a single power supply voltage, typically ranging from 3V to 32V, or dual supplies of ±1.5V to ±16V, making it suitable for battery-powered applications and various circuit designs.
- Low Input Offset Voltage: The device features a low input offset voltage, typically around 2mV, which enhances accuracy in applications requiring precise signal amplification.
- Wide Bandwidth: The LM324J has a gain-bandwidth product of approximately 1 MHz, allowing it to handle a range of frequencies effectively.
- High Output Current: It can source or sink output currents up to 40 mA, enabling it to drive loads directly without the need for additional buffering.
Electrical Characteristics:
- Input Voltage Range: The input common-mode voltage range extends from the negative supply voltage to about 1.5V below the positive supply voltage, which is beneficial for applications that require a wide input range.
- Low Noise: The op-amps are designed to minimize noise, making them suitable for audio and precision measurement applications.
- Temperature Range: The LM324J is rated for operation over a temperature range of -40°C to +85°C, ensuring reliability in various environmental conditions.
Package Information:
- Package Type: The LM324J is typically available in a 14-pin dual in-line package (DIP) or surface-mount packages, facilitating easy integration into circuit boards.
- Pin Configuration: The pin layout includes power supply pins, output pins for each op-amp, and input pins, clearly marked for straightforward connections.
Applications:
The LM324J is widely used in various applications, including:
- Signal conditioning and amplification
- Active filters
- Comparators
- Oscillators
- Analog computing
- Audio processing circuits
Conclusion:
The LM324J from Texas Instruments is a robust and versatile quad op-amp that provides reliable performance in a wide range of electronic applications. Its combination of low power consumption, wide supply voltage range, and multiple op-amps in a single package makes it a popular choice among engineers and hobbyists alike.
Technical parameters
Parameters
Compare grouped LM324J parameters from Texas Instruments, including package, series, key attributes, and technical values used for engineering and sourcing review.
Product Parameter
Input Offset Voltage
2mV
Product Parameter
Average Bias Current-Max (IIB)
0.2μA
Product Parameter
Power Supplies
5/30V
Product Parameter
Input Bias Current
45nA
Product Parameter
Power Supply Rejection Ratio (PSRR)
65dB
Product Parameter
Voltage Gain
100dB
| Parameter | Value |
|---|---|
Input Offset Voltage DC voltage difference between the inverting and non-inverting inputs required to make the output zero. This parameter affects precision and DC accuracy. Compare it when designing amplifiers for sensor or measurement applications. Verify the maximum value over temperature in the datasheet. | 2mV |
Average Bias Current-Max (IIB) Specifies the maximum average input bias current, a key parameter for precision op-amps. Lower values reduce offset errors in high-impedance circuits. This is crucial for sensor signal conditioning and medical instrumentation. Always verify this value against your circuit's error budget. | 0.2μA |
Power Supplies Specifies the required power supply voltages for the component. Engineers use this to ensure the board's power rails match the device's needs. Verify against the datasheet's recommended operating conditions to avoid undervoltage or overvoltage issues. | 5/30V |
Input Bias Current Specifies the DC current flowing into the input terminals of an op-amp or comparator. It affects offset voltage and precision in high-impedance circuits. Verify against the datasheet for your operating temperature and supply voltage. | 45nA |
Power Supply Rejection Ratio (PSRR) Measures how well the amplifier rejects variations in its power supply voltage, expressed in dB. A higher PSRR indicates better output stability against supply noise. Essential for audio, precision measurement, and automotive applications. Always compare PSRR values across frequencies in the datasheet. | 65dB |
Voltage Gain Voltage gain indicates how much an amplifier increases signal voltage. Compare this parameter when selecting op-amps or audio amplifiers. Verify the specified gain against your circuit requirements and the datasheet's test conditions, as gain can vary with frequency and load. | 100dB |
Supply Voltage (Single/Dual) Specifies the allowable supply voltage range for single or dual supply operation. Critical for ensuring the device operates within its rated limits. Verify against the datasheet for absolute maximum ratings and recommended operating conditions. | 3V~32V ±1.5V~16V |
Input Offset Current-Max (IIO) Maximum input offset current between the two input terminals of an operational amplifier. This parameter affects DC accuracy in precision circuits. Compare values when designing low-offset, high-gain applications. Verify against the datasheet for worst-case conditions. | 0.05μA |
Terminal Finish Specifies the plating material on component terminals, affecting solderability, corrosion resistance, and long-term reliability. Compare finishes like tin, gold, or silver for your assembly process and environmental requirements. Verify against datasheet for compliance. | Tin/Lead (Sn/Pb) |
Micropower Indicates the component is optimized for extremely low power consumption, often in microampere range. Ideal for battery-powered and energy-harvesting devices. Verify quiescent current and supply voltage range in the datasheet to ensure they meet your system's power budget. | YES |
Frequency Compensation Method Technique used to ensure amplifier stability and prevent oscillation. Common methods include internal or external compensation. Choose the right method for your gain configuration and bandwidth needs. Verify stability in your circuit with the recommended compensation network from the datasheet. | YES |
Amplifier Type Specifies the amplifier topology or functional class, such as operational, instrumentation, or differential. This determines circuit behavior, gain characteristics, and suitable applications. Verify the exact type against the datasheet to ensure compatibility with your design requirements. | General Purpose |
Programmable Power Indicates whether the power supply or converter can be configured via digital interfaces like I2C, PMBus, or SMBus. Useful for dynamic voltage scaling and system optimization. Check supported protocols and programming range in the datasheet. | NO |
Low Offset Voltage Indicates the amplifier's input offset voltage is minimized, reducing DC error in precision circuits. Compare this parameter when designing sensor interfaces or instrumentation amplifiers. Verify the specified value against the datasheet for your operating temperature range. | NO |
Wideband Indicates whether the component is designed for wideband operation, covering a broad frequency range. Useful for RF, microwave, and high-speed digital applications. Verify the specified bandwidth and frequency response in the datasheet to ensure it meets your system requirements. | NO |
Low-Bias Indicates that the amplifier is designed with low input bias current, minimizing errors in high-impedance circuits. This is critical for precision applications like sensor interfaces and integrators. Check the datasheet for typical and maximum bias current values to confirm suitability. | NO |
Number Of Elements Indicates how many independent functional sections are integrated into a single component package. This matters when comparing multi-channel devices or resistor networks. Always verify the exact element count against the datasheet to ensure it matches your circuit design requirements. | 4 |
Maximum Input Bias Current (IIB) @25°C Maximum current flowing into the input pins at 25°C. Lower bias current reduces errors in high-impedance circuits like photodiode amplifiers. Check this value when selecting op-amps for precision analog front ends. Confirm it matches your source impedance requirements. | 0.25μA |
Unity Gain Bandwidth (Nominal) Nominal frequency at which the open-loop gain drops to unity (0 dB). This indicates the useful bandwidth for unity-gain buffers and speed of the amplifier. Compare this value when selecting op-amps for high-frequency signal processing. Verify it against your required closed-loop bandwidth. | 600 kHz |
| Parameter | Value |
|---|---|
Part Status Lifecycle status of the part, such as active or obsolete. Indicates availability and long-term support from the manufacturer. Check this before design-in to avoid last-time buys or supply disruptions. Verify with the datasheet or distributor for current status. | Active |
Mounting Type Specifies how the component is attached to the PCB, such as through-hole or surface mount. This affects assembly processes, thermal performance, and mechanical strength. Buyers should verify compatibility with their manufacturing capabilities and design requirements. | Through Hole |
ECCN Export Control Classification Number assigned by the U.S. government. Determines whether the component requires an export license. Essential for international trade compliance. Verify the ECCN with the manufacturer or supplier before shipping to avoid legal issues. | EAR99 |
Lifecycle Status Current stage in the product's lifecycle, such as Active, Obsolete, or End of Life. This indicates availability and long-term supply risk. Check this before designing in a part to ensure it will be available for your product's production lifetime. | ACTIVE (Last Updated: 1 day ago) |
Packaging Indicates the form of delivery for the component, such as tape and reel, tube, or tray. This affects handling, storage, and assembly processes. Verify the packaging type matches your production requirements and equipment compatibility. | Tube |
REACH Status Shows whether the component complies with the EU REACH regulation. Essential for legal market access in Europe. Check the manufacturer's latest statement to confirm that no substances of very high concern are present above the threshold. | REACH Affected |
Lead Free Indicates whether the component is manufactured without lead, complying with RoHS and similar regulations. Check this attribute to ensure environmental compliance for your market. Verify against the datasheet for exact material declarations. | Contains Lead |
Factory Lead Time Indicates the typical duration from order confirmation to shipment from the manufacturer's facility. This helps you plan production schedules and inventory. Verify current lead times with your distributor or supplier, as they may vary based on order quantity, product availability, and market conditions. | 6 Weeks |
Gain Bandwidth Product Indicates the frequency at which the open-loop gain of an amplifier drops to unity. Compare this value when selecting op-amps or RF amplifiers for bandwidth-critical applications. Verify against the datasheet's typical performance curves to ensure adequate gain at your operating frequency. | 1MHz |
Categories Lists the product categories or classifications assigned to this component, such as connectors, capacitors, or modules. This helps in filtering and comparing similar parts. Review the categories to ensure the component fits your application and to find alternative parts in the same class. | Integrated Circuits (ICs) |
Terminal Position Position of the terminals on the package, such as dual-in-line, gull-wing, or J-lead. This affects PCB layout, soldering, and thermal performance. Engineers must ensure the terminal position matches the footprint and assembly capabilities of their manufacturing line. | DUAL |
Supply Voltage Specifies the nominal operating voltage that must be applied to the component for proper function. Verify this value against your system's power rail and the datasheet's absolute maximum ratings to ensure reliable operation and avoid damage. | 5V |
Output Current Per Channel Specifies the maximum current each output channel can source or sink continuously. Compare this value with your load requirements to ensure the driver or amplifier can handle the current without overheating or damage. Always verify against the datasheet for absolute maximum ratings and derating curves. | 40mA |
Manufacturer Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts. | Texas |
Nominal Supply Current Typical current drawn from the supply under nominal operating conditions. Compare this value across similar components to estimate power consumption and thermal behavior. Always verify against the datasheet for your specific voltage and load conditions. | 1.5mA |
Subcategory A more specific classification within the main product category, such as 'Ceramic Capacitor' under 'Capacitors'. This helps narrow down search results and compare similar components. Use it to filter products with similar characteristics and intended applications. | Operational Amplifier |
Sub-Categories Indicates the specific product subcategories or classifications within the broader component family. Helps narrow down search results and identify the exact type of component needed for your design. Review the subcategory to ensure compatibility with your application. | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps |
Architecture Internal design or topology of the component, such as the arrangement of internal circuits or blocks. This affects performance, power consumption, and functionality. Engineers compare architectures to match application requirements and verify compatibility with the datasheet. | VOLTAGE-FEEDBACK |
Base Part Number Identifies the core product family without package, grade, or option suffixes. Use this to compare equivalent components across manufacturers and to locate the primary datasheet. Verify the full ordering code against the manufacturer's specification before design-in. | LM324 |
Slew Rate Slew rate indicates how fast an amplifier's output voltage can change. It affects signal fidelity in high-frequency applications. Compare values when selecting op-amps or drivers, and verify against the datasheet's typical test conditions. | 0.5V/μs |
Operating Temperature Specifies the ambient temperature range within which the component reliably functions. Compare this with your application's thermal environment to ensure proper operation. Always verify against the datasheet for derating curves and maximum ratings. | 0°C~70°C |
Input Offset Voltage (Vos) The DC voltage difference between the two input terminals of an operational amplifier or comparator. It indicates how closely the device matches ideal behavior. Compare this value across devices to ensure precision in your circuit design, and verify it against the datasheet for your operating conditions. | 7mV |
Radiation Hardening Indicates if the component is designed to withstand ionizing radiation in space, nuclear, or high-energy physics applications. Compare radiation-tolerant vs. radiation-hardened parts for mission-critical designs. Verify the total ionizing dose (TID) and single-event effect (SEE) ratings in the datasheet. | No |
Pin Count Total number of pins or terminals on the component package. Essential for footprint design, PCB layout, and connector mating. Verify against the datasheet to ensure compatibility with your board and assembly process. | 14 |
Number Of Pins Total number of pins or contacts on the component. This determines the footprint and mating connector requirements. Always match the pin count to your PCB layout and connector specification to ensure proper electrical and mechanical connection. | 14 |
Number Of Terminations Indicates the total number of electrical connection points on the component, such as pins or pads. This is critical for PCB footprint design and assembly. Verify it matches the package specification to ensure proper soldering and connectivity. | 14 |
Mounting Type Specifies how the component attaches to the PCB or assembly, such as surface mount, through-hole, or chassis mount. This affects soldering process, mechanical stability, and thermal performance. Verify compatibility with your board layout and assembly capabilities. | Through Hole |
Technology Manufacturing technology or process used for the component, such as thin film, thick film, or semiconductor process. Affects performance, stability, and cost. Confirm the technology matches your application requirements and environmental conditions. | BIPOLAR |
Number Of Functions Specifies the count of independent functions or channels integrated into a single component package. This helps engineers determine if the part can handle multiple signal paths or operations simultaneously. Verify against the datasheet to ensure the device meets your circuit's functional requirements. | 4 |
Operating Supply Current The amount of current the device draws from its power supply during normal operation. This is essential for power budget calculations, thermal management, and selecting appropriate power sources. Check datasheet for typical and maximum values under specified conditions. | 1.5mA |
Height Physical height of the component, measured from the mounting surface to the topmost point. This dimension is critical for clearance in compact assemblies and for ensuring proper fit within enclosures. Always verify against the datasheet for tolerance and mounting considerations. | 5.08mm |
Output Current Current supplied at the output, indicating the load-driving capability of the component. This is crucial for ensuring the component can drive downstream circuitry without overheating or voltage drop. Compare with your load requirements and check the datasheet for maximum ratings. | 40mA |
Operating Supply Voltage Specifies the voltage range within which the component operates correctly. Check the datasheet to ensure your power supply meets the minimum and maximum limits, as exceeding them can damage the device or cause malfunction. | 16V |
Common Mode Rejection Ratio Indicates how effectively an operational amplifier or differential amplifier suppresses signals common to both inputs. Higher values mean better rejection of noise and interference. Compare this parameter across devices when designing precision analog circuits, and verify it against the datasheet for your operating conditions. | 65 dB |
Power Dissipation Maximum power the component can safely dissipate as heat without exceeding its thermal limits. Compare this rating with your application's expected power loss to ensure reliable operation. Always verify against the datasheet's derating curves and ambient temperature conditions. | 1.26W |
Length Specifies the physical length of the component body, typically in millimeters. This dimension is critical for PCB layout and mechanical fit. Verify against the datasheet to ensure proper clearance and alignment in your design. | 19.56mm |
Thickness Thickness of the component, a critical dimension for PCB clearance, enclosure fit, and thermal performance. This measurement is especially important for capacitors, inductors, and connectors. Ensure the thickness meets your design constraints and does not interfere with adjacent components. Check the datasheet for tolerance and recommended mounting height. | 4.57mm |
Width Physical width of the component body, typically in millimeters. Essential for PCB footprint design and mechanical fit. Verify against the datasheet to ensure proper clearance and compatibility with your board layout and enclosure. | 6.67mm |
Package / Case Physical package or case type of the component, defining its dimensions, mounting style, and thermal characteristics. Common types include SMD, through-hole, BGA, and QFN. Choose the package that fits your PCB layout and assembly process. Verify the exact package code in the datasheet for footprint compatibility. | 14-CDIP (0.300, 7.62mm) |
Manufacturer'S Part No. The unique part number assigned by the original component manufacturer. Use this to cross-reference datasheets, verify specifications, and ensure the exact component matches your design requirements. Always confirm the number against the manufacturer's official documentation. | LM324J |
| Parameter | Value |
|---|---|
Moisture Sensitivity Level (MSL) Indicates the floor life of a component before it must be baked prior to soldering. Higher levels require stricter handling and shorter exposure times. Verify the MSL rating in the datasheet to ensure proper storage and assembly conditions. | 1 (Unlimited) |
RoHS Status Indicates whether the component complies with the EU RoHS directive restricting hazardous substances. Buyers should verify this status for regulatory compliance and market access. Check the datasheet or certificate for exact compliance details. | RoHS non-compliant |
JESD-609 Code This code indicates the terminal finish material per JESD-609 standard. It helps identify the plating type for soldering compatibility and environmental compliance. Check the datasheet for the exact code and its meaning. | e0 |
HTSUS Harmonized Tariff Schedule of the United States code for customs classification. Essential for import/export documentation and duty calculation. Verify the correct code with a trade specialist to avoid customs delays. | 8542.33.0001 |
ECCN Code Export Control Classification Number assigned by the U.S. Commerce Department. It determines export licensing requirements for electronic components. Verify the ECCN against the manufacturer's datasheet or export compliance documentation before shipping internationally. | EAR99 |
Notice documents
PCN / product notice documents
No public PCN / PDN records currently displayed
No public product notice document is currently displayed for LM324J. Confirm PCN, PDN, EOL, date code, and lifecycle status during RFQ before production purchase.
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Common questions
Product FAQ
Targeted answers for buyers verifying the exact LM324J ordering code, packaging, stock, datasheet, and replacement path.
What does LM324J mean?
LM324J is the exact ordering code listed for a Linear - Amplifiers - Instrumentation, Operational Amplifiers, Buffer Amplifiers component from Texas Instruments. The current package reference is CDIP, with listed context including IC INST AMP 4 CIRCUIT 14-CERDIP. Buyers should use the full code when requesting stock, price, datasheet, or compliance confirmation.
How should buyers verify the LM324J ordering code?
Treat LM324J as the full ordering code during RFQ and engineering review. Confirm the listed CDIP package, manufacturer documentation from Texas Instruments, datasheet ordering table, reel or packing details, and any customer approval constraints before substitution or PO release.
What package is LM324J supplied in?
LM324J is currently listed with package reference CDIP from Texas Instruments. Buyers should confirm the manufacturer package drawing, footprint, pinout, tape-and-reel details, and receiving requirements before approval.
Is LM324J currently available?
LM324J is currently marked with stock availability on this page. Before ordering, confirm the package (CDIP), listed stock (193238), available quantity (28770), required quantity, lead time, final price, compliance needs, and exact ordering code match through RFQ.
Where can I compare LM324J alternatives?
A mapped alternative list is not currently published for LM324J. Send an RFQ with the target quantity, package constraints, and approval requirements so TrustCompo can help review credible replacement options.





