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ST62T35B Datasheet(PDF) 70 Page - STMicroelectronics |
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ST62T35B Datasheet(HTML) 70 Page - STMicroelectronics |
70 / 82 page 70/82 ST62T35B/E35B 6.4 AC ELECTRICAL CHARACTERISTICS (TA = -40 to +125°C unless otherwise specified) Notes: 1. Period for which VDD has to be connected at 0V to allow internal Reset function at next power-up. 6.5 A/D CONVERTER CHARACTERISTICS (TA = -40 to +125°C unless otherwise specified) Notes: 1. Noise at AVDD,AVSS <10mV 2. Wit h oscillator frequencies less than 1MHz, the A/D Converter accuracy is decreased. Symbol Parameter Test Conditions Value Unit Min. Typ. Max. tREC Supply Recovery Time (1) 100 ms TWR Minimum Pulse Width (VDD = 5V) RESET pin NMI pin 100 100 ns TWEE EEPROM Write Time T A =25°C T A =85°C TA = 125°C 5 10 20 10 20 30 ms Endurance EEPROM WRITE/ERASE Cycle Q A LOT Acceptance 300,000 1 million cycles Retention EEPROM Data Retention T A =55°C 10 years CIN Input Capacitance All Inputs Pins 10 pF COUT Output Capacitance All Outputs Pins 10 pF Symbol Parameter Test Condit ions Value Unit Min. Typ. Max. Res Resolution 8 Bit ATOT Total Accuracy (1) (2) fOSC > 1.2MHz fOSC > 32kHz ±2 ±4 LSB tC Conversion Time fOSC = 8MHz, TA <85°C fOSC = 4MHz 70 140 µs ZIR Zero Input Reading Conversion result when VIN =VSS 00 Hex FSR Full Scale Reading Conversion result when VIN =VDD FF Hex ADI Analog Input Current During Conversion VDD= 4.5V 1.0 µA ACIN Analog Input Capacitance 2 5 pF 69 |
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