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ST62T30B Datenblatt(PDF) 73 Page - STMicroelectronics |
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ST62T30B Datenblatt(HTML) 73 Page - STMicroelectronics |
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73 / 84 page ![]() 73/84 ST62T30B ST62E30B 6.2 RECOMMENDED OPERATING CONDITIONS Notes: 1. Care must be taken in case of negative current injection, where adapted impedance must be respected on analog sources to not affect the A/D conversion. For a -1mA injection, a maximum 10 K Ω is recommended. 2. An oscillator frequency above 1MHz is recommended for reliable A/D results. Figure 39. Maximum Operating Frequency (fMAX) versus Supply Voltage (VDD) The shaded area is outside the recommended operating range; device functionality is not guaranteed under these conditions. Symbol Parameter Test Conditions Value Unit Min. Typ. Max. TA Operating Temperature 6 Suffix Version 1 Suffix Version 3 Suffix Version -40 0 -40 85 70 125 °C VDD Operating Supply Voltage fOSC = 2MHz fosc= 8MHz 3.0 4.5 6.0 6.0 V fOSC Oscillator Frequency2) VDD = 3V VDD = 4.5V, 1 & 6 Suffix VDD = 4.5V, 3 Suffix 0 0 0 4.0 8.0 4.0 MHz fOSG Internal Frequency with OSG enable2) VDD = 3V VDD = 4.5V 2 4 fOSC fOSC MHz IINJ+ Pin Injection Current (positive) VDD = 4.5 to 5.5V +5 mA IINJ- Pin Injection Current (negative) VDD = 4.5 to 5.5V -5 mA 1 2.5 3.544.5 55.5 6 8 7 6 5 4 3 2 Maximum FREQUENCY (MHz) SUPPLY VOLTAGE (VDD) 3 fOSG fOSG Min VR01807 1 & 6 Suffix Version 3 Suffix Version |
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