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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST10F273 датащи(PDF) 134 Page - STMicroelectronics |
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ST10F273 датащи(HTML) 134 Page - STMicroelectronics |
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134 / 179 page  Electrical characteristics ST10F273 134/179 . 24.7 A/D converter characteristics VDD = 5V ± 10%, VSS = 0V, TA = –40 to +125°C, 4.5V ≤ VAREF ≤ VDD, VSS ≤ VAGND ≤ VSS + 0.2V Table 66. Flash data retention characteristics Number of program / erase cycles (-40°C ≤ TA ≤ 125°C) Data retention time (average ambient temperature 60°C) 256 Kbyte (code store) 64 Kbyte (EEPROM emulation) 0 - 100 > 20 years > 20 years 1,000 - > 20 years 10,000 - 10 years 100,000 - 1 year Table 67. A/D converter characteristics Symbol Parameter Test condition Limit values Unit Min. Max. V AREF SR Analog reference voltage (1) 4.5 VDD V V AGND SR Analog ground voltage VSS VSS + 0.2 V V AIN SR Analog input voltage (2) VAGND VAREF V I AREF CC Reference supply current Running mode (3) Power down mode – – 5 1 mA µA t S CC Sample time (4) 1– µs t C CC Conversion time (5) 3– µs DNL CC Differential non linearity (6) No overload –1 +1 LSB INL CC Integral non linearity (6) No overload –1.5 +1.5 LSB OFS CC Offset error (6) No overload –1.5 +1.5 LSB TUE CC Total unadjusted error (6) Port5 Port1 - No overload(3) Port1 - Overload(3) –2.0 –5.0 –7.0 +2.0 +5.0 +7.0 LSB K CC Coupling factor between inputs (3) (7) On both Port5 and Port1 –10–6 – CP1 CC Input pin capacitance (3) (8) –3 pF CP2 CC Port5 Port1 – 4 6 pF CS CC Sampling capacitance (3) (8) –3.5 pF RSW CC Analog switch resistance (3) (8) Port5 Port1 – – 600 1600 W RAD CC – 1300 W |
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