ZHCSMY8B September 2020 – January 2022 BQ769142
PRODUCTION DATA
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| High-frequency Oscillator | ||||||
| fHFO | Operating frequency | 16.78 | MHz | |||
| fHFO(ERR) | Frequency error(3) | TA = -40°C to +85°C, includes frequency drift | –4.0 | ±0.25 | 4.0 | % |
| fHFO(SU) | Start-up time(2) | TA = -40°C to +85°C, at power-up from SHUTDOWN or exiting DEEPSLEEP mode, oscillator frequency within ±3% of nominal | 4.3 | ms | ||
| TA = -40°C to +85°C, cases other than power-up from SHUTDOWN or exiting DEEPSLEEP mode, oscillator frequency within ±3% of nominal | 135 | μs | ||||
| Low-frequency Oscillator | ||||||
| fLFO | Operating frequency | Full-speed setting | 262.144 | kHz | ||
| Low speed setting | 32.768 | kHz | ||||
| fLFO(ERR) | Frequency error(3) | Full-speed setting, TA = -10°C to +60°C, includes frequency drift | –1.5 | ±0.25 | 1.5 | % |
| Full-speed setting, TA = -40°C to +85°C, includes frequency drift | –2.5 | ±0.25 | 2.5 | % | ||
| fLFO(FAIL) | Failure detection frequency | Detects oscillator failure if the LFO frequency falls below this level. | 8.5 | 12 | 18 | kHz |