LM324-N Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
Texas Instruments LM324-N contains four independent high-gain operational amplifiers in a single 14-pin DIP package, operating from a single 3 V to 32 V supply or dual ±1.5 V to ±16 V supply. Unity-gain bandwidth is 1 MHz with 0.4 V/µs slew rate. A low-cost general-purpose quad op-amp for signal conditioning, active filters, and comparator circuits.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- LM324-N Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM324-N?
- Four independent op-amps in a single 14-pin DIP package reducing component count
- Wide single-supply range from 3 V to 32 V or dual supply ±1.5 V to ±16 V
- 1 MHz unity-gain bandwidth with 0.4 V/µs slew rate for audio and control signal processing
- Low input bias current of 45 nA typical for high-impedance signal sources
- Output voltage swings to within 20 mV of ground on a single supply
- Industry-standard pinout compatible with LM324 second sources from multiple vendors
What is LM324-N used for?
The LM324-N is widely used in audio processing, active filter networks, voltage comparators, and general-purpose signal conditioning circuits across industrial, consumer, and educational electronics. Its ability to operate from a single supply down to 3 V with no external compensation makes it a staple in op-amp reference circuits, summing amplifiers, and instrumentation front-ends.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the LM324-N datasheet?
LM324-N Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM324-N?
Compatible alternatives and drop-in replacements for LM324-N:
Frequently Asked Questions
How does LM324-N perform in a single-supply 5 V active low-pass filter design?
LM324-N operates from a single 5 V supply and its output can swing to within about 20 mV of the negative rail, preserving signal headroom. With a 1 MHz unity-gain bandwidth and 0.4 V/µs slew rate, it supports active filter cutoff frequencies well below 100 kHz, making it suitable for audio-band and sensor anti-aliasing filters.
Can all 4 amplifiers inside LM324-N be used simultaneously in a multi-channel signal conditioning board?
Yes. All 4 op-amps in LM324-N share a common supply and ground but are electrically independent with separate input and output pins. A single 14-pin DIP device can buffer or amplify 4 separate sensor channels simultaneously, reducing board space and component cost compared to using four discrete single op-amps in individual packages.
What supply voltage flexibility does LM324-N offer compared to dual-supply-only op-amps?
LM324-N operates from a single supply of 3 V to 32 V or a dual supply of ±1.5 V to ±16 V, giving designers flexibility to use it in 5 V single-rail MCU boards, 12 V industrial control systems, or ±15 V precision instrumentation racks without changing parts, simplifying procurement across multiple product lines.
What input bias current does LM324-N specify, and how does it affect source impedance design?
LM324-N has a typical input bias current of 45 nA. For source impedances up to about 100 kΩ, this creates an input offset voltage error of only 4.5 mV, which is acceptable for most general-purpose signal conditioning. For source impedances in the megaohm range, a lower-bias alternative such as a JFET-input op-amp should be considered.
Related Guides
STM32H725IGT3 Selection Guide: Memory, Package, Temperature, and Supply
Choose the right STM32H725 variant by comparing Flash, package, pin count, temperature grade, connectivity, and production requirements.
Aug 1, 2026
STM32H725IGT3 High-Performance MCU Design Guide
Design STM32H725IGT3 systems for reliable 550 MHz operation with practical power, clock, cache, DMA, PCB, ADC, and recovery guidance.
Jul 31, 2026
150141VS73100 Violet SMD LED Selection Guide: Color, Drive, and Sourcing
Select the 150141VS73100 by wavelength, brightness, drive current, 3528 fit, reliability, and traceable sourcing requirements.
Jul 31, 2026
STEF05SGR 5 V eFuse Protection Design Guide
Design a reliable 5 V STEF05SGR eFuse stage with current-limit math, capacitor sizing, thermal analysis, fault recovery, and PCB layout guidance.
Jul 30, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit