PDM Electrical specification
PDM Electrical Specification
| Symbol | Description | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| fPDM,CLK,64 | PDM clock speed. PDMCLKCTRL = Default (Setting needed for 16 kHz sample frequency @ RATIO = Ratio64) | 1.032 | MHz | ||
| fPDM,CLK,80 | PDM clock speed. PDMCLKCTRL = 1280K (Setting needed for 16 kHz sample frequency @ RATIO = Ratio80) | 1.280 | MHz | ||
| tPDM,JITTER | Jitter in PDM clock output | ns | |||
| TdPDM,CLK | PDM clock duty cycle | 40 | 50 | 60 | % |
| tPDM,DATA | Decimation filter delay | 5 | ms | ||
| tPDM,s | Data setup time | 41 | ns | ||
| tPDM,h | Data hold time | 0 | ns | ||
| GPDM,default | Default (reset) absolute gain of the PDM module | 0 | dB |
