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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST52T301 датащи(PDF) 60 Page - STMicroelectronics |
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ST52T301 датащи(HTML) 60 Page - STMicroelectronics |
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60 / 100 page  A/D CONVERTER CHARACTERISTICS (Operating Condition: VDD=5V ±5%-TA=0 °Cto 85 °C, unless otherwise specified) Symbol Parameter Test Conditions Min Typ Max Unit Res Resolution 8bit ATOT Total Accuracy (1) FOSC > 5 MHz FOSC > 10 MHz FOSC > 20 MHz ±2 LSB tC Conversion Time FOSC =5 - 10 - 20 MHz 32 µs VAN Conversion Range VSSA 2.5 V VZI Zero Scale Voltage Conversion result= 00 Hex VSSA V VFS Full Scale Voltage (bandgap) Conversion result= FF Hex 2.474 V ∆VFS% Full Scale Voltage (bandgap) precision v/s VDDA variation VDDA=5V ±5% 1% ADI Analog Input Current during Conversion fOSC = 20 MHz 2 µΑ ACIN (2) Analog Input Capacitance 2pF ASI Analog Source Impedance 1 k Ω ORI Output Reference Impedance 100 Ω ORL Output Reference Load 0.1 mA ORLC Analog Reference Load Capacitance 10 pF Source-Off and Drain-Off Leakage Currents are in the range of nA. Notes: 1. Noise at VDDA, VSSA <40 mV 2. Excluding Pad Capacitance. Table 11.8. A/D Converter Characteristics 60/99 ST52T301/E301 |
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