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
Key Features
- 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
Applications
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.
Specifications
| 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 |
Alternate & Equivalent Parts
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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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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