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OPA2277U from TI,Texas Instruments

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OPA2277U

Manufacturer: TI

High Precision Operational Amplifiers

Partnumber Manufacturer Quantity Availability
OPA2277U TI 2500 In Stock

Description and Introduction

High Precision Operational Amplifiers The **OPA2277U** is a high-precision operational amplifier (op-amp) designed for applications demanding exceptional accuracy and low noise. Manufactured by Texas Instruments, this dual-channel op-amp features ultra-low offset voltage and drift, making it well-suited for precision instrumentation, medical devices, and industrial control systems.  

With a typical offset voltage of just **10 µV** and a drift of **0.1 µV/°C**, the OPA2277U ensures stable performance across varying temperatures. Its low noise density of **8 nV/√Hz** at 1 kHz enhances signal integrity in sensitive analog circuits. Additionally, the device offers a high open-loop gain of **130 dB** and a wide bandwidth of **8 MHz**, enabling precise amplification in DC and low-frequency applications.  

The OPA2277U operates from a **±2.25 V to ±18 V** dual supply or a **4.5 V to 36 V** single supply, providing flexibility in system design. Its robust performance, combined with low power consumption, makes it an excellent choice for battery-powered and portable equipment.  

Engineers often select this op-amp for its reliability in critical applications such as strain gauge amplifiers, data acquisition systems, and precision voltage references. The OPA2277U is available in an **SOIC-8** package, ensuring compatibility with standard PCB layouts.  

For designers seeking high accuracy and stability, the OPA2277U stands out as a dependable solution in precision analog circuitry.

Application Scenarios & Design Considerations

High Precision Operational Amplifiers

Alternative Part Number

  • LT1013CS8 --: Precision dual op-amp with low offset voltage and low drift, pin-compatible SOIC-8, a well-established alternative to the OPA2277 in instrumentation applications.
  • MC33078DR2G --: Low-noise dual bipolar op-amp in SOIC-8 with similar supply range and bandwidth, suitable for cost-sensitive replacements.
  • TL072CDR --: Widely available low-noise JFET-input dual op-amp in SOIC-8, lower precision than OPA2277 but a common drop-in for general-purpose circuits.

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