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OPA349
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OPA349

  • 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：08+
  • 封装：5SC70, 5SOT-23, 8SOIC
  • 库存状态：有库存
  • 库存量：25610
  • 最低订购量：1
  • 详细资料：点击查找OPA349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 a power supply from 1.8V to 5.5V, with little change in performance, ensuring sustained superior performance even at 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, 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

The OPA349 related ICs include:


Model Manufacturers lot number encapsulation illustrate
OPA4345 TI 09+ 14SOIC, 14TSSOP MicroAmplifier(TM) series of low-power, single-power rail-to-rail operational amplifiers
OPA4344 TI 10+ 14PDIP, 14SOIC, 14TSSOP The MicroAmplifier(TM) series of low-power single-rail-to-rail op amplifiers
OPA4342 TI 09+ 14PDIP, 14SOIC, 14TSSOP The MicroAmplifier(TM) family of low-cost, low-power rail-to-rail op amplifiers
OPA4141 TI 10+ 14SOIC, 14TSSOP 10MHz single-supply low-noise JFET precision amplifier
OPA4140 TI 10+ 14SOIC, 14TSSOP 11MHz single-supply, low-noise, precision rail-to-rail output JFET amplifier
OPA348 TI 10+ 5SC70, 5SOT-23, 8SOIC 1MHz, 45uA, RRIO, single op amp
OPA347 TI 07+ 5SC70, 5SOT-23, 8PDIP, 8SOIC Micropower rail-to-rail operational amplifier
OPA345 TI 08+ 5SOT-23, 8SOIC The MicroAmplifier(TM) series of low-power single-rail-to-rail op amplifiers
REF2912AIDBZT TI 10+ SOT23-3 A series of (bandgap) voltage references with a 1.25V output of 100ppm/°C drift of 50uA quiescent current in a SOT23-3 package system package
TPS2115APWR TI 08+ TSSOP-8 Automatically switch power multiplexing

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TI brand product recommendation


Model Manufacturers lot number encapsulation illustrate
OPA348 TI 10+ 5SC70, 5SOT-23, 8SOIC 1MHz, 45uA, RRIO, single op amp
OPA347 TI 07+ 5SC70, 5SOT-23, 8PDIP, 8SOIC Micropower rail-to-rail operational amplifier
OPA345 TI 08+ 5SOT-23, 8SOIC The MicroAmplifier(TM) series of low-power single-rail-to-rail op amplifiers
REF2912AIDBZT TI 10+ SOT23-3 A series of (bandgap) voltage references with a 1.25V output of 100ppm/°C drift of 50uA quiescent current in a SOT23-3 package system package
TPS2115APWR TI 08+ TSSOP-8 Automatically switch power multiplexing
OPA344 TI 09+ 5SOT-23, 8PDIP, 8SOIC The MicroAmplifier(TM) series of low-power single-rail-to-rail op amplifiers
OPA342 TI 10+ 5SOT-23, 8SOIC The MicroAmplifier(TM) family of low-cost, low-power rail-to-rail op amplifiers
OPA337 TI 10+ 5SOT-23, 8MSOP, 8PDIP, 8SOIC The MicroAmplifier(TM) family of micro single-supply CMOS op-amps
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