OP4177ARU – Integrated Circuit – Analog Devices

Precision Low Noise, Low Input Bias Current Operational Amplifier

Introduction

Source the high-precision OP4177ARU operational amplifier from PCX. This Analog Devices quad-channel IC delivers exceptional accuracy and low power consumption, making it ideal for demanding instrumentation and signal conditioning tasks. While this specific part is marked obsolete by the manufacturer, PCX provides access to remaining stock for critical design support and legacy system maintenance, backed by our reliable sourcing and fast fulfillment.

Key Features

• Manufacturer: Analog Devices
• Amplifier Type: Standard Precision, Quad Channel
• Low Input Bias Current: 500 pA (Typical)
• Low Input Offset Voltage: 15 µV (Typical)
• Low Power Consumption: 400µA Supply Current per Channel
• Wide Supply Voltage Range: 5V to 30V
• Extended Temperature Range: -40°C to +125°C
• Package: 14-TSSOP (Surface Mount)

Technical Details

The OP4177ARU integrates four high-performance operational amplifiers in a single compact 14-TSSOP package. It features a gain bandwidth product of 1.3 MHz and a slew rate of 0.7V/µs, optimized for precision DC and low-frequency AC applications. Its exceptionally low input offset voltage (15 µV) and minimal input bias current (500 pA) minimize errors in sensitive measurement circuits. Designed for robust operation, it supports a wide single or dual supply range from 5V to 30V and functions reliably across the industrial temperature spectrum of -40°C to +125°C. Each amplifier channel can deliver up to 10 mA output current.

Common Applications

• Precision Instrumentation Amplifiers
• Sensor Signal Conditioning (Thermocouples, RTDs, Bridge Sensors)
• Medical Diagnostic Equipment
• Data Acquisition Systems (DAQ)
• Active Filters and Integrators

About Analog Devices

Analog Devices Inc. (ADI) stands as a global leader in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. For decades, ADI has been synonymous with innovation, precision, and reliability, providing solutions that bridge the physical and digital worlds.

Their commitment to engineering excellence and rigorous quality control ensures components like the OP4177ARU meet the stringent demands of industrial, automotive, communications, and consumer applications worldwide. ADI’s reputation for producing robust, high-accuracy semiconductor solutions makes them a trusted partner for critical electronic designs.

About Precision Operational Amplifiers

Operational amplifiers (Op Amps) are fundamental building blocks in analog electronic circuits, used to amplify, buffer, filter, or perform mathematical operations on signals. Precision Op Amps, like the OP4177 series, are specifically engineered to minimize inherent errors such as input offset voltage, input bias current, and drift over temperature and time.

These characteristics are paramount in applications demanding high accuracy, such as sensor interfaces, medical instrumentation, strain gauge amplifiers, and precision voltage references. Low power consumption versions, such as the OP4177, extend battery life in portable equipment while maintaining critical performance specifications.

Packaging

This OP4177ARU is supplied in manufacturer Tube packaging, suitable for prototyping and production handling.

Frequently Asked Questions (FAQs)

Q: Is the OP4177ARU still available for new designs?
A: Analog Devices has marked the OP4177ARU as obsolete. It is recommended for existing designs or legacy system maintenance. PCX sources remaining stock for such critical needs.

Q: What are suitable replacements for the OP4177ARU?
A: Analog Devices often recommends newer generations within their portfolio offering improved specifications or smaller packages. Consult the manufacturer’s website or contact PCX technical support for assistance identifying potential alternatives based on your specific requirements.

Q: What does “Standard” Amplifier Type mean?
A: “Standard” typically refers to a general-purpose voltage feedback operational amplifier architecture, distinguishing it from specialized types like current-feedback amps, fully differential amps, or instrumentation amps (though it can be used to build them).

Q: Why is low input bias current important?
A: Low input bias current (500 pA in the OP4177ARU) is crucial in high-impedance circuits or when using sensors with high output impedance. It minimizes errors caused by current flowing into or out of the amplifier inputs, ensuring accurate signal measurement.

Q: Can this op-amp operate on a single supply?
A: Yes, the OP4177ARU supports single-supply operation down to 5V, as well as dual-supply configurations (±2.5V to ±15V). Its input and output ranges are designed to work effectively near the supply rails in single-supply setups.

Q: Where can I find the datasheet?
A: The official Analog Devices OP4177ARU datasheet is available for download directly on the PCX product page.

Order Your OP4177ARU Today!

Ensure your legacy designs stay operational. PCX provides access to this high-precision Analog Devices quad op-amp. Leverage our reliable sourcing network, fast shipping options, and dedicated customer support. Order your OP4177ARU now for prompt delivery!

Note: Product image is representational. Refer to datasheet for exact specifications.