TSU114 Series High-Accuracy 5 V CMOS Op-Amp

By STMicroelectronics 137

TSU114 Series High-Accuracy 5 V CMOS Op-Amp

STMicroelectronics' TSU114 quad channel version operational amplifiers offer an ultra-low power consumption per channel of 900 nA typical and 1.2 µV maximum when supplied by 3.3 V. Combined with a supply voltage range of 1.5 V to 5.5 V, these features allow the TSU11x to be efficiently supplied by a coin type lithium battery or a regulated voltage in low-power applications. The high accuracy of 150 µV max. and 11.5 kHz gain bandwidth make the TSU11x ideal for sensor signal conditioning, battery supplies, and portable applications.


  • Tiny nano power op-amp
    • Ultra-low current consumption: 900 nA
    • Low offset-voltage reduces output error: 150 µV max at +25 °C and 235 µV max -40°C to +85°C
    • Low noise over 0.1 Hz to 10 Hz bandwidth: 3.6 µVPP
    • Low supply voltage: 1.5 V to 5.5 V
    • Enables long battery life
    • More than 25 years of typical equivalent lifetime
    • CR2032 coin type lithium battery
    • Cost-optimized sensing applications
    • Minimize power consumption where battery life is critical
  • High-Precision op-amp
    • Better accuracy, better current sensing
    • High accuracy without calibration
    • Tolerance to power supply transient drops
  • Tiny package
    • Saves space
    • Saves costs
    • Rail-to-rail input and output
  • Gas sensors: CO, O2, and H2S
  • Alarms: PIR sensors
  • Signal conditioning for energy harvesting
  • Ultra-long-life battery-powered applications
  • Battery current sensing
  • Active RFID tags
  • Battery/solar operated systems
  • Alarm and monitoring systems
  • Portable medical equipment

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