High accuracy 32 kHz Crystal oscillator with low-power consumption and low shutdown current to be used in the AON domain to implement RTC and calendar functions for SoC designed in SMIC40

Key Benefits

  • High accuracy
  • Low power consumption
  • Compatible with a large range of crystals
  • Bypass mode for enabling fast testing capabilities
  • Frequency OK (FOK) signal indicates when frequency accuracy is reached

Key Features

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

Applications

  • Bluetooth
  • Cellular IoT
  • GNSS
  • Hearing aids
  • NB-IoT
  • Smart Headset
  • Smart Speaker
  • TWS Earpods
  • ULP MCU
  • Voice-controlled devices
  • Voice Assistant
  • WiFi

Key Performances

  • Low power consumption: 100 nA
  • +/- 50 ppm accuracy
  • Duty cycle: 50% ± 10
  • Support of 4pF to 12.5pF Crystal

Technical information

  • Technology: SMIC 40 eFlash
  • Add-ons:
    • -