High-Precision, Low-Noise, Rail-to-Rail Output, 11MHz JFET Op Amp



The OPA140A operational amplifier is a low-power JFET input amplifier that features good drift and low input bias current. The rail-to-rail output swing and input range that includes V— allow designers to take advantage of the low-noise characteristics of JFET amplifiers while also interfacing to modern, single-supply, precision analog-to-digital converters (ADCs) and digital-to-analog converters (DACs). The OPA140A runs on a single 4.5-V to 36-V supply or dual ±2.25-V to ±18-V supplies.


  • Very Low Offset Drift
  • Very Low Offset
  • Low Input Bias Current
  • Very Low 1/f Noise
  • Low Noise
  • Slew Rate
  • Low Supply Current
  • Input Voltage Range Includes V– Supply
  • Single-Supply Operation: 4.5 V to 36 V
  • Dual-Supply Operation: ±2.25 V to ±18 V
  • No Phase Reversal

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