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As designers of gas and water meters continue to pursue lower power consumption, the need for highly efficient power supplies and low-leakage parts becomes paramount. We have developed an analog portfolio to help you achieve your next-generation meter targets by lowering both quiescent and operating currents.

Our portfolio of precision op amps helps you achieve the next level of low-cost precision measurements for mechanical meters, ultrasonic flow measurement and temperature readings. If you are designing an ultrasonic flow meter, you can significantly reduce costs by coupling a simple, yet precise, analog signal conditioning circuit with one of our microcontrollers (MCUs) with an integrated a Charge Time Measurement Unit (CTMU).

Key Product Benefits


  • Low quiescent current to maximize battery life
  • I2C temperature sensors with 0.5 accuracy
  • Fewer components with Low Dropout Regulators (LDOs)
  • Low-noise op amps
  • Signal/power technology

Technology Highlights


Low-Cost Time of Flight Measurement for Ultrasonic Meters


  • Low-noise op amps
  • Combine with CTMU on PIC® MCU to achieve time of flight measurement down to 200 pS resolution
  • Eliminates need for time measurement ASIC used in ultrasonic flow measurement

Extend Battery Life with Low Quiescent Current and Operating Voltage


  • Op amps down to 450 nA with operation down to 1.4v
  • Linear regulators to 1.6 uA
  • Temperature sensors down to 2.3v

Fewer External Components Lower System Costs


  • LDOs with preset voltages eliminate external components
  • Reduced design complexity