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ST6253C データシート(PDF) 68 Page - STMicroelectronics |
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ST6253C データシート(HTML) 68 Page - STMicroelectronics |
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68 / 83 page ![]() 68/83 ST6253C ST6263C ST6263B ST6260C ST6260B 6.5 A/D CONVERTER CHARACTERISTICS (TA = -40 to +125°C unless otherwise specified) Notes: 1. Noise at VDD, VSS <10mV 2. With oscillator frequencies less than 1MHz, the A/D Converter accuracy is decreased. 6.6 TIMER CHARACTERISTICS (TA = -40 to +125°C unless otherwise specified) 6.7 SPI CHARACTERISTICS (TA = -40 to +125°C unless otherwise specified) 6.8 ARTIMER ELECTRICAL CHARACTERISTICS (TA = -40 to +125°C unless otherwise specified) Symbol Parameter Test Conditions 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 = 4 MHz 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 Symbol Parameter Test Conditions Value Unit Min. Typ. Max. fIN Input Frequency on TIMER Pin MHz tW Pulse Width at TIMER Pin VDD = 3.0V VDD >4.5V 1 125 μs ns fINT 4 ---------- Symbol Parameter Test Conditions Value Unit Min. Typ. Max. FCL Clock Frequency Applied on Scl 500 kHz tSU Set-up Time Applied on Sin 250 ns th Hold Time Applied onSin 50 ns Symbol Parameter Test Conditions Value Unit Min Typ Max fIN Input Frequency on ARTIMin Pin RUN and WAIT Modes MHz STOP mode 2 |
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