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OPA2349
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OPA2349

  • 所属类别:低输入偏置电流/FET-输入
  • 产品名称:1uA 轨至轨 CMOS 运算放大器
  • 厂商:TI
  • 生产批号:10+
  • 封装:8SOIC, 8SOT-23
  • 库存状态:有库存
  • 库存量:2296
  • 最低订购量:1
  • 详细资料:点击查找OPA2349的pdf资料
  • 点击询价
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  • Product Introduction

The OPA349 and OPA2349 are ultra-low-power and provide 70kHz bandwidth op amps with quiescent current of only 1μA. These rail-to-rail input and output amplifiers are designed for battery-powered applications. The input common-mode voltage range extends beyond the Rails 350mV range of the power rail output swing of 200mV, maintaining a wide dynamic range. Unlike some micropower op-amps, these components are ununit gain stable and require no external compensation for wide bandwidth. The OPA349 has a low input bias current, enabling large source and feedback resistance.

The OPA349 can be operated with little variation from 1.8V to 5.5V in terms of performance, ensuring continuous superior performance even with low battery.

characteristic
  • Low supply current: 1 microampere
  • Gain bandwidth: 70kHz
  • Unit gain is stable
  • Low Input Bias Current: 10pA (max)
  • Wide supply voltage range: 1.8V to 5.5V
  • Except for Rails, the input range is 200mV
  • Output swing 350mV rail
  • Output drive current: 8mA
  • Open-loop gain: 90dB
  • Number of micropieces: SC70 package, SOT23-5 package, SOT23-8 package
  • apply
    • battery pack and power supply
    • Mobile phones, pagers, cameras
    • Solar powered system
    • Smoke, gas, fire detection systems
    • Remote sensor
    • PCMCIA card
    • Drive analog-to-digital (A/D) converters
    • Micropower filter

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