Operational Amplifiers (Op Amps) | NCS325

シングル・オペアンプ、50 µV オフセット、0.25 µV/°C、ゼロドリフト精度、低電力

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Overview

NCS325 は CMOS オペアンプで、高精度性能です。ゼロドリフト・アーキテクチャにより連続自動キャリブレーションが可能なので、超低オフセット、時間/温度範囲でほぼゼロドリフト、静止電流わずか 35 µA (最大) でほぼフラットな 1/f ノイズが実現します。こうしたメリットは高精度 DC アプリケーションに最適です。NCS325 にはレール・ツー・レール入出力性能があり、下は 1.8 V から上は 5.5 V までの低電圧動作に向けて最適化されています。NCS325 は省スペース SOT23−5 パッケージで提供されます。

  • Current Sensing
  • Differential Amplification
  • Transducer Applications
  • Battery Powered Instruments
  • Electronic Scales
  • Medical Instrumentation
  • Low Offset Voltage: 14 µV typ, 50 µV max at 25°C
  • Zero Drift: 0.25 µV/°C max
  • Low Noise: 1 µVpp, 0.1 Hz to 10 Hz
  • Quiescent Current: 21 µA typ, 35 µA max at 25°C
  • Rail−to−Rail Input and Output
  • Internal EMI Filtering
  • Supply Voltage: 1.8 V to 5.5 V

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Case Outline

MSL Type

MSL Temp (°C)

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ON Target

Rail to Rail

Channels

VS Min (V)

VS Max (V)

Iq Typ (mA)

VOS Max (mV)

GBW Typ (MHz)

SR Typ (V/µs)

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ΔVOS/ΔT (μV/C)

eN (nV/√Hz)

Ibias Typ (pA)

CMRR Typ (dB)

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Reference Price

NCS325SN2T1G

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Active

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

260

REEL

3000

Y

Input/Output

1

1.8

5.5

0.021

0.05

0.35

0.16

5

14

100

50

108

CMOS

-40 to 125

$0.2607

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