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ADR391:  電圧リファレンス、2.5V、高精度、低ノイズ、マクロパワー、シャットダウン機能付

ADR391は2.5Vの高精度バンドギャップ電圧リファレンスで、小型パッケージSOT-23-5、低消費電流と低ノイズを特徴としています。ADIの特許である温度ドリフトの曲率補正技術を使って、ADR391は温度ドリフト性能9ppm/℃の低さを実現しています。 ADR391のマイクロパワーと低ドロップアウト電圧によって、わずか300mV以上の供給電圧から、安定な電圧を出力することができます。このような斬新な設計技術は外部のコンデンサを不必要として、PCBのスペースと全体のコストを低減することができます。さらに、この低消費と小型パッケージという特長の組み合わせによって、ADR391はバッテリ駆動のアプリケーションに理想的といえます。

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  • Vout: 2.5
  • Initial Accuracy (%): 0.16
  • Ref Out TC (ppm/C): 9ppm/C
  • Supply Voltage Range (V): +2.8 to +18
  • Supply Current : 120µA
  • Ref Output Current (mA): 5mA
  • 0.1-10 Hz Noise (µV p-p): 5µV p-p
  • Temp Range(s): -40 to +125
  • Package: TSOT
  • Reference Type: Series-Low Dropout

ADR391 ピン配置

Circuits from the Lab／実用回路集

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