OPA4277UA – Quad Precision Operational Amplifier – Texas Instruments

The OPA4277UA from Texas Instruments is a high-precision quad operational amplifier engineered for applications demanding exceptional accuracy and stability. This surface-mount IC delivers ultra-low input offset voltage and bias current, making it ideal for sensitive instrumentation and signal conditioning. PCX ensures authentic Texas Instruments components with same-day shipping and dedicated technical support.

Key Features

• Ultra-Low Input Offset Voltage: 20 µV ensures precision signal amplification
• Low Input Bias Current: 4 nA minimizes loading effects
• Wide Supply Voltage Range: 4V to 36V for versatile power compatibility
• High Output Drive: 35 mA per channel for robust performance
• Extended Temperature Range: -40°C to 85°C for industrial environments

Technical Specifications

• Manufacturer: Texas Instruments
• Amplifier Type: Standard Precision Quad Op-Amp
• Slew Rate: 0.8V/µs
• Gain Bandwidth Product: 1 MHz
• Package: 14-SOIC (3.90mm Width)
• Mounting Style: Surface Mount (SMD)
• Status: Active Production

Common Applications

• Medical instrumentation and patient monitoring systems
• Industrial process control sensors and transmitters
• Test and measurement equipment signal chains
• Precision data acquisition systems
• Audio processing and filtering circuits

About Texas Instruments

Texas Instruments stands as a global semiconductor leader with over 90 years of innovation in analog and embedded processing technologies. Their components are renowned for rigorous quality standards, consistent performance, and industry-leading reliability across automotive, industrial, and consumer applications.

TI’s operational amplifiers set benchmarks for precision engineering, with comprehensive validation processes ensuring compliance with military-grade temperature ranges and longevity requirements. Their continuous R&D investment guarantees cutting-edge solutions for evolving electronic design challenges.

About Operational Amplifiers

Operational amplifiers (op-amps) serve as fundamental building blocks in analog circuitry, amplifying voltage differences between inputs with high gain. Their versatility enables critical functions including signal filtering, mathematical operations, and sensor interfacing in virtually all electronic systems.

Precision op-amps like the OPA4277UA are essential for applications requiring minimal error introduction. Key parameters like low offset voltage, low noise, and stable temperature performance ensure accurate signal reproduction in medical, industrial, and scientific instrumentation where measurement integrity is paramount.

Packaging Options

Available in protective Tube packaging for secure automated assembly. Contact PCX for reel packaging customization options.

Frequently Asked Questions

Q: What makes the OPA4277UA suitable for precision applications?
A: Its 20 µV offset voltage and 4 nA bias current enable high-accuracy signal amplification with minimal error.

Q: Can this op-amp operate with single-supply configurations?
A: Yes, the 4V-36V supply range supports both single and dual-supply designs.

Q: Is the OPA4277UA RoHS compliant?
A: All Texas Instruments components meet current RoHS 3 standards.

Q: What thermal protection features are included?
A: The device includes internal current limiting and thermal shutdown protection.

Q: How does this compare to other precision op-amps?
A: It offers superior offset voltage stability and lower bias current than general-purpose alternatives.

Q: Can I request samples before volume orders?
A: PCX provides sample requests for qualified design projects – contact our support team.

Product images are representational. Refer to datasheet for exact dimensions and specifications.

Download Full Datasheet

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