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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM8L052C6 датащи(PDF) 87 Page - STMicroelectronics |
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STM8L052C6 датащи(HTML) 87 Page - STMicroelectronics |
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87 / 102 page  STM8L052C6 Electrical parameters Doc ID 023331 Rev 1 87/102 8.3.10 Embedded reference voltage In the following table, data is based on characterization results, not tested in production, unless otherwise specified. Table 43. Reference voltage characteristics Symbol Parameter Conditions Min Typ Max. Unit IREFINT Internal reference voltage consumption 1.4 µA TS_VREFINT (1)(2) ADC sampling time when reading the internal reference voltage 510 µs IBUF (2) Internal reference voltage buffer consumption (used for ADC) 13.5 25 µA VREFINT out Reference voltage output 1.202(3) 1.224 1.242(3) V ILPBUF (2) Internal reference voltage low power buffer consumption 730 1200 nA IREFOUT (2) Buffer output current(4) 1µA CREFOUT Reference voltage output load 50 pF tVREFINT Internal reference voltage startup time 23 ms tBUFEN (2) Internal reference voltage buffer startup time once enabled (1) 10 µs ACCVREFINT Accuracy of VREFINT stored in the VREFINT_Factory_CONV byte(5) ± 5 mV STABVREFINT Stability of VREFINT over temperature -40 °C ≤ TA ≤ 85 °C 20 50 ppm/°C Stability of VREFINT over temperature 0 °C ≤ TA ≤ 50 °C 20 ppm/°C STABVREFINT Stability of VREFINT after 1000 hours TBD ppm 1. Defined when ADC output reaches its final value ±1/2LSB 2. Data guaranteed by Design. Not tested in production. 3. Tested in production at VDD = 3 V ±10 mV. 4. To guaranty less than 1% VREFOUT deviation. 5. Measured at VDD = 3 V ±10 mV. This value takes into account VDD accuracy and ADC conversion accuracy. |
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