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OPA381AIDGKR from TI,Texas Instruments

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OPA381AIDGKR

Manufacturer: TI

Precision/ Low Power/ 18MHz Transimpedance Amplifier

Partnumber Manufacturer Quantity Availability
OPA381AIDGKR TI 30 In Stock

Description and Introduction

Precision/ Low Power/ 18MHz Transimpedance Amplifier # Introduction to the OPA381AIDGKR Operational Amplifier  

The **OPA381AIDGKR** is a high-performance, low-power operational amplifier (op-amp) designed for precision applications. Manufactured in a compact **VSSOP-8** package, this component is optimized for low-voltage operation while maintaining excellent speed and accuracy.  

Featuring a wide bandwidth and low quiescent current, the OPA381AIDGKR is ideal for battery-powered systems, sensor interfaces, and signal conditioning circuits. Its rail-to-rail output swing enhances dynamic range, making it suitable for applications requiring high resolution. Additionally, the device offers low input offset voltage and noise, ensuring reliable performance in sensitive measurement environments.  

Key specifications include a **10 MHz gain bandwidth product**, **1.8V to 5.5V supply range**, and **low power consumption** (typically 750 µA). These attributes make it a versatile choice for portable medical devices, industrial controls, and data acquisition systems.  

The OPA381AIDGKR also incorporates built-in EMI filtering, reducing susceptibility to interference in noisy environments. Its robust design and precision characteristics make it a dependable solution for engineers seeking high-performance amplification in space-constrained designs.  

For detailed application guidance, consult the official datasheet to ensure optimal circuit integration.

Application Scenarios & Design Considerations

Precision/ Low Power/ 18MHz Transimpedance Amplifier

Alternative Part Number

  • AD8615ARJZ-REEL7 --: Low-noise, low-offset precision op amp in SOT-23-5 with similar bandwidth and supply range, direct functional substitute for the OPA381 in transimpedance and sensor front-end applications.
  • MAX4238AUT+T --: Precision low-offset CMOS op amp in SOT-23-6 with comparable gain bandwidth and low input bias current, suitable replacement where the OPA381 is used for photodiode or precision signal conditioning.
  • LMP7715MF/NOPB --: TI CMOS precision op amp in SOT-23-5 with low offset voltage and low noise, same vendor family style but different series, offering an easy drop-in alternative for OPA381 designs.

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