UA741AD STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock
STMicroelectronics UA741AD is a general-purpose single operational amplifier in an SOIC-8 package, featuring 70 dB minimum CMRR, 4 mV maximum input offset voltage, and internal frequency compensation for stable operation. Available in stock worldwide with fast shipping.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- UA741AD Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of UA741AD?
- Internal frequency compensation ensures unity-gain stability without external components, simplifying circuit design
- 70 dB minimum common-mode rejection ratio (CMRR) with 90 dB typical value for accurate differential signal amplification
- Input offset voltage maximum of 4000 µV with 0.1 µA typical bias current at 25°C for versatile signal conditioning
What is UA741AD used for?
The UA741AD is widely used in audio amplification, signal conditioning, and active filter designs where a cost-effective, internally compensated op-amp is required. Its voltage-feedback architecture and SOIC-8 package make it suitable for instrumentation amplifier stages, integrators, and summing circuits in industrial and consumer electronics. The UA741AD is also a direct-drop replacement for legacy designs originally built around DIP-8 741 op-amp configurations.
What are the specifications of UA741AD?
| 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 | 4000 µV |
| JESD-30 Code | R-PDSO-G8 |
| 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 | 8 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| 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 | YES |
| Technology | BIPOLAR |
| Temperature Grade | MILITARY |
| Terminal Finish | TIN LEAD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Unity Gain BW-Nom | 1000 |
| Voltage Gain-Min | 25000 |
| Wideband | NO |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Where can I find the UA741AD datasheet?
UA741AD Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for UA741AD?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the common-mode rejection ratio specification of the UA741AD?
The UA741AD specifies a minimum CMRR of 70 dB and a typical CMRR of 90 dB at 25°C. This level of common-mode rejection makes it suitable for differential signal amplification in noisy industrial environments where power-supply and ground-noise rejection is essential.
Does the UA741AD require external frequency compensation capacitors for stable operation?
No. The UA741AD includes internal frequency compensation, making it unity-gain stable without any external capacitors. This simplifies PCB layout, reduces BOM cost, and makes it a drop-in replacement for 741-compatible designs operating at gains of 1 V/V or higher.
For which analog signal-chain applications is the UA741AD most appropriate, given its 4 mV offset specification?
With a maximum input offset voltage of 4000 µV, the UA741AD is best suited for audio pre-amplifiers, summing amplifiers, and general-purpose integrators where millivolt-level offset errors are acceptable. For precision sensor interfaces requiring offset below 100 µV, a precision op-amp such as the OPA2333 would be a better choice.
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Why Buy from FindMyChip
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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