This 32 kHz crystal oscillator is an excellent choice for IoT SoC designed in TSMC 22nm ULL technology with stringent power consumption constraints. It features a high accuracy 32 kHz clock for implementing RTC with calendar and timekeeping functions in the always-on domain and an ultra-low current consumption to extend the battery lifetime in sleep modes.
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
|
- | 0.72 V | 0.99 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 @0.8 V with 4 pF crystal
- +/- 50 ppm accuracy
- Duty cycle: 50% ± 10
- Shutdown current 30 nA @0.8 V
Technical information
- Technology: TSMC 22 uLL1.8
- Add-ons:
- -