Low-Power Instrumentation Amplifier with Zero-Drift Technology


  • 90日間のアフター保証
  • 365日の品質保証
  • 正規品保証
  • 7*24時間サービス検疫
  • 部品番号 : INA333AIDRGR

  • パッケージ/ケース : WSON (DRG)-8

  • ブランド : TI

  • コンポーネントのカテゴリ : Instrumentation, OP Amps, Buffer Amps

  • 日付シート : INA333AIDRGR データシート (PDF)


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The INA333AIDRGR is a precision, low-power instrumentation amplifier with a gain range of 1 to 1000. It is designed for applications requiring high accuracy and low power consumption, such as medical instrumentation, industrial process control, and sensor amplification. This instrumentation amplifier features low offset voltage, low drift, and high common-mode rejection ratio, ensuring accurate signal processing in noisy environments. It operates from a single power supply of 2.2V to 5.5V and consumes only 265µA of quiescent current, making it suitable for battery-powered applications. The INA333AIDRGR comes in a small, space-saving, 8-pin VSSOP package, making it easy to integrate into a variety of designs. It offers excellent performance over a wide temperature range of -40°C to 125°C, ensuring reliability in harsh operating conditions.



  • Low noise: Provides precision measurement with minimal interference
  • Low power consumption: Efficient use of power for longer battery life
  • Wide input voltage range: Versatile usage in a variety of applications
  • Rail-to-rail output: Allows for maximum signal swing
  • Small footprint: Compact design for space-constrained applications
  • 応用

  • The INA333AIDRGR is commonly used in applications that require precise and low-power instrumentation amplification, such as medical devices, industrial automation, and sensor interfaces
  • It is also utilized in portable equipment, consumer electronics, and test and measurement instruments for accurate signal acquisition and processing
  • 仕様


    Number of channels 1 Vs (max) (V) 5.5
    Vs (min) (V) 1.8 Input offset (±) (max) (µV) 25
    Voltage gain (min) (V/V) 1 Voltage gain (max) (V/V) 1000
    Noise at 1 kHz (typ) (nV√Hz) 50 Features Low power, Small Size, Zero Drift
    CMRR (min) (dB) 100 Input offset drift (±) (max) (V/°C) 0.0000001
    Input bias current (±) (max) (nA) 0.2 Iq (typ) (mA) 0.05
    Bandwidth at min gain (typ) (MHz) 0.15 Gain error (±) (max) (%) 0.25
    Operating temperature range (°C) -40 to 125 Rating Catalog
    Type Resistor Gain nonlinearity (±) (max) (%) 0.001
    Output swing headroom (to negative supply) (typ) (V) 0.05 Output swing headroom (to positive supply) (typ) (V) -0.05
    Input common mode headroom (to negative supply) (typ) (V) 0.1 Input common mode headroom (to positive supply) (typ) (V) -0.1
    Noise at 0.1 Hz to 10 Hz (typ) (µVPP) 1



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      部品の品質保証: 365 日



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