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ADT75ARZ Datasheet(PDF) 4 Page - Analog Devices |
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ADT75ARZ Datasheet(HTML) 4 Page - Analog Devices |
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4 / 24 page  ADT75 Rev. 0 | Page 4 of 24 SPECIFICATIONS A GRADE TA = TMIN to TMAX, VDD = 3.0 V to 5.5 V. All specifications for −55°C to +125°C, unless otherwise noted. Table 1. Parameter Min Typ Max Unit Test Conditions/Comments TEMPERATURE SENSOR AND ADC Accuracy at VDD = 3.0 V to 5.5 V ±2 °C TA = −25°C to +100°C ±3 °C TA = −55°C to +100°C Accuracy at VDD = 3.0 V to 3.6 V ±3 °C TA = +100°C to +125°C Accuracy at VDD = 4.5 V to 5.5 V ±2 °C TA = +100°C to +125°C ADC Resolution 12 Bits Temperature Resolution 0.0625 °C Temperature Conversion Time 60 ms Update Rate 100 ms Conversion started every 100 ms Long Term Drift 0.08 °C Drift over 10 years, if part is operated at 55°C Temperature Hysteresis +0.03 °C Temperature cycle = 25°C to 125°C to 25°C OS/ALERT OUTPUT (OPEN DRAIN) Output Low Voltage, VOL 0.4 V IOL = 3 mA Pin Capacitance 10 pF High Output Leakage Current, IOH 0.1 5 μA OS/ALERT pin pulled up to 5.5 V RON Resistance (Low Output) 15 Ω Supply and temperature dependent DIGITAL INPUTS Input Current ±1 μA VIN = 0 V to VDD Input Low Voltage, VIL 0.3 × VDD V Input High Voltage, VIH 0.7 × VDD V SCL, SDA Glitch Rejection 50 ns Input filtering suppresses noise spikes of less than 50 ns Pin Capacitance 3 10 pF DIGITAL OUTPUT (OPEN DRAIN) Output High Current, IOH 1 mA VOH = 5 V Output Low Voltage, VOL 0.4 V IOL = 3 mA Output High Voltage, VOH 0.7 × VDD V Output Capacitance, COUT 3 10 pF POWER REQUIREMENTS Supply Voltage 3 5.5 V Supply Current at 3.3 V 350 500 μA Peak current while converting and I2C interface inactive Supply Current at 5.0 V 380 525 μA Peak current while converting and I2C interface inactive Average Current at 3.3 V 200 μA Part converting and I2C interface inactive Average Current at 5.0 V 225 μA Part converting and I2C interface inactive Shutdown Mode at 3.3 V 3 8 μA Supply current in shutdown mode Shutdown Mode at 5.0 V 5.5 12 μA Supply current in shutdown mode Average Power Dissipation 798.6 μW VDD = 3.3 V, normal mode at 25°C 1 SPS 78.6 μW Average power dissipated for VDD = 3.3 V, shutdown mode at 25°C 140 μW Average power dissipated for VDD = 5.0 V, shutdown mode at 25°C |
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