Ultra-low power 32 kHz RC oscillator designed in TSMC 22ULL for IoT SoC and ULP MCU applications requiring fast wake-up.

Key Benefits

  • Ultra-low power for best-in-class power consumption of the always-on domain during sleep / deep sleep modes
  • Fast wake-up
  • Active, shutdown and stand-by modes

Key Features

PARAMETERS CONDITION
Minimum value
Typical value
Maximum value
Input Voltage
- 0.81 V 1.21 V

Applications

  • Smart Headset
  • TWS Earpods
  • Smart Speaker
  • Hearing aids
  • Bluetooth
  • NB-IoT
  • ULP MCU
  • GNSS
  • Cellular IoT

Key Performances

  • Nominal frequency: 32.768 kHz
  • Frequency accuracy: ±1.5% after trimming
  • Low power consumption < 70 nA @0.8V
  • Shutdown current 40 nA

Technical information

  • Technology: TSMC 22 uLL
  • Add-ons:
    • -