UA741IN14 STMicroelectronics Integrated Circuit (Dual-In-Line Packages) In Stock
STMicroelectronics UA741IN14 is a general-purpose single operational amplifier in a 14-pin DIP package, featuring voltage-feedback architecture with 70 dB minimum common-mode rejection ratio and 6000 µV maximum input offset voltage. It includes internal frequency compensation for stable operation without external components. Suitable for signal conditioning, audio amplification, integrators, and general-purpose analog circuits in industrial and educational applications.
- Manufacturer
- STMicroelectronics
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- UA741IN14 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of UA741IN14?
- Voltage-feedback operational amplifier with 90 dB typical common-mode rejection ratio for noise-immune signal conditioning
- Internal frequency compensation ensuring stable closed-loop operation without external compensation components
- Maximum input bias current of 0.2 µA enabling use with high-impedance sensor sources
- 14-pin DIP package for easy prototyping on breadboards and through-hole PCB assembly
- Wide supply voltage range supporting dual-supply operation for versatile analog circuit designs
What is UA741IN14 used for?
The UA741IN14 is used in general-purpose analog signal conditioning circuits, including inverting and non-inverting amplifiers, summing amplifiers, integrators, and active filters in industrial instrumentation and laboratory equipment. Its internal frequency compensation makes it straightforward to configure in educational and prototyping settings where an externally compensated op-amp would require additional discrete components. The device also finds application in audio preamplifiers, sensor interface circuits, and comparator-based threshold detectors in embedded systems that operate from dual-rail ±12 V or ±15 V supplies.
What are the specifications of UA741IN14?
| Pbfree Code | No |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.2 µA |
| Bias Current-Max (IIB) @25C | 0.1 µA |
| Common-mode Reject Ratio-Min | 70dB |
| Common-mode Reject Ratio-Nom | 90dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 6000 µV |
| JESD-30 Code | R-PDIP-T14 |
| JESD-609 Code | e0 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | NO |
| Neg Supply Voltage Limit-Max | -22 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 14 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Min | 0.25V/us |
| Slew Rate-Nom | 0.5V/us |
| Supply Current-Max | 3.3mA |
| Supply Voltage Limit-Max | 22V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | TIN LEAD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Unity Gain BW-Nom | 1000 |
| Voltage Gain-Min | 25000 |
| Wideband | NO |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Where can I find the UA741IN14 datasheet?
UA741IN14 Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for UA741IN14?
Compatible alternatives and drop-in replacements for UA741IN14:
Frequently Asked Questions
What is the common-mode rejection ratio of the UA741IN14, and how does this affect its performance in differential signal applications?
The UA741IN14 achieves a minimum common-mode rejection ratio of 70 dB and a typical CMRR of 90 dB, which means common-mode interference on both inputs is attenuated by a factor of roughly 31,000 relative to a differential signal. This makes the device suitable for rejecting 50 Hz or 60 Hz mains noise in industrial sensor amplifiers and instrumentation circuits where the signal source and amplifier share a noisy ground plane, though higher-precision applications demanding CMRR above 100 dB would require a more modern precision op-amp.
How does the internal frequency compensation in the UA741IN14 simplify analog circuit design compared to externally compensated op-amps?
The UA741IN14 includes an on-chip compensation capacitor that sets a unity-gain bandwidth of approximately 1 MHz and ensures the amplifier remains stable at all closed-loop gains without any external capacitors. This contrasts with externally compensated devices like the LM301, which require a 30 pF or larger capacitor added by the designer to prevent oscillation. The internal compensation of the UA741IN14 eliminates this design step and reduces component count, which is particularly useful in educational labs, breadboard prototyping, and simple signal conditioning circuits where minimizing external parts speeds up development.
In what supply voltage configurations can the UA741IN14 operate, and what output voltage swing is achievable on a ±15 V dual supply?
The UA741IN14 operates from a dual supply of ±5 V to ±18 V or a single supply of 10 V to 36 V. On a standard ±15 V dual supply the output swing typically reaches ±13 V to ±14 V, meaning the output cannot reach within approximately 1 V to 2 V of either supply rail. This output swing limitation must be accounted for when designing full-scale analog-to-digital converter driver circuits or audio amplifiers, where rail-to-rail output swing might instead require a more modern op-amp architecture.
For a student or prototyper building an active filter on a breadboard, why is UA741IN14 in a 14-pin DIP package a practical choice?
The UA741IN14's 14-pin DIP package has 2.54 mm through-hole pins that fit directly into standard breadboards and solderless prototyping systems without adapters, making it the most accessible package for students learning active filter topologies such as Sallen-Key low-pass or multiple-feedback band-pass filters. The internal 1 MHz gain-bandwidth product is sufficient for audio-frequency filters up to 10 kHz, and the 6000 µV maximum input offset voltage is acceptable for most educational demonstrations where the absolute DC accuracy of the output is not critical.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
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