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ADT7302ARMZ-REEL7 Arkusz danych(PDF) 3 Page - Analog Devices |
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ADT7302ARMZ-REEL7 Arkusz danych(HTML) 3 Page - Analog Devices |
3 / 14 page Preliminary Technical Data ADT7302 Rev. PrE | Page 3 of 14 SPECIFICATIONS TA = TMIN to TMAX, VDD = 2.7 V to 5.5 V, unless otherwise noted. All specifications apply for –40°C to +125°C, unless otherwise stated Table 1. Parameter Min Typ Max Unit Test Conditions/Comments TEMPERATURE SENSOR AND ADC VDD = +3.3 V (±10%) and 5 V (±10%) Accuracy TBD ±2 °C TA = 0°C to 70°C. TBD ±2.5 °C TA = −20°C to +85°C. TBD ±3 °C TA = −40°C to +125°C. Temperature Resolution 0.03125 °C Auto Conversion Update Rate, tR 1 sec Temperature measurement every 1 second Temperature Conversion Time 2 ms Thermal Time Constant1 2 sec SUPPLIES Supply Voltage 2.7 5.5 V For Specified performance. Supply Current Normal Mode 1.6 2.2 mA VDD = 3.3 V. Powered up and converting 190 300 µA VDD = 3.3 V. Powered up and not converting 1.6 2.2 mA VDD = 5 V. Powered up and converting 280 400 µA VDD = 5 V. Powered up and not converting Shutdown Mode 0.2 1 µA VDD = 3.3 V. 0.2 1 µA VDD = 5 V. Power Dissipation Normal Mode (Average) 631 µW VDD = 3.3 V. Auto conversion update, tR. 1.41 mW VDD = 5 V. Auto conversion update, tR. Shutdown Mode (Average)2 1 SPS 4.88 µW VDD = 3.3 V 7.4 µW VDD = 5 V 10 SPS 42.9 µW VDD = 3.3 V 65 µW VDD = 5 V 100 SPS 423 µW VDD = 3.3 V 641 µW VDD = 5 V DIGITAL INPUT3 Input High Voltage, VIH 2.5 V Input Low Voltage, VIL 0.8 V Input Current, IIN ±1 µA VIN = 0 V to VDD Input Capacitance, CIN 10 pF All digital inputs DIGITAL OUTPUT3 Output High Voltage, VOH VDD − 0.3 V ISOURCE = ISINK = 200 µA Output Low Voltage, VOL 0.4 V IOL = 200 µA Output Capacitance, COUT 50 pF 1 Thermal Time Constant is the time it takes for a starting temperature difference to change to 36.8% of it’s starting value. For example if the ADT7302 experienced a thermal shock from 0°C to 100°C, it would take typically 2 secs for the ADT7302 to reach 63.2°C. 2 The ADT7302 is taken out of shutdown mode and a temperature conversion is immediately performed after this write operation. Once the temperature conversion is complete, the ADT7302 is put back into shutdown mode. 3 Guaranteed by design and characterization, not production tested. |
Podobny numer części - ADT7302ARMZ-REEL7 |
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Podobny opis - ADT7302ARMZ-REEL7 |
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