ZHCSO16A December 2021 – February 2023 DLPC4430
PRODUCTION DATA
| PARAMETER | NOMINAL | UNIT |
|---|---|---|
| MOSC TO GROUND Capacitance | 1.5 | pF |
| MOSCZ TO GROUND Capacitance | 1.5 | pF |
| PARAMETER | RECOMMENDED | UNIT |
|---|---|---|
| Crystal circuit configuration | Parallel resonant | |
| Crystal type | Fundamental (1st harmonic) | |
| Crystal nominal frequency | 20 | MHz |
| Crystal frequency temperature stability | +/– 30 | PPM |
| Overall crystal frequency tolerance (including accuracy, stability, aging, and trim sensitivity) | +/– 100 | PPM |
| Crystal Equivalent Series Resistor (ESR) | 50 max | Ω |
| Crystal load | 20 | pF |
| Crystal shunt load | 7 max | pF |
| RS drive resistor (nominal) | 100 | Ω |
| RFB feedback resistor (nominal) | 1 | MΩ |
| CL1 external crystal load capacitor (MOSC) | See (1). | pF |
| CL2 external crystal load capacitor (MOSCN) | See (1). | pF |
| PCB layout | A ground isolation ring around the crystal is recommended. |
Figure 8-3 Recommended Crystal Oscillator ConfigurationTypically, the external crystal oscillator stabilizes within 50 ms after stable power is applied.