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ADT7481 Datasheet(PDF) 4 Page - ON Semiconductor |
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ADT7481 Datasheet(HTML) 4 Page - ON Semiconductor |
4 / 20 page ADT7481 http://onsemi.com 4 Table 5. ELECTRICAL CHARACTERISTICS (TA = −40°C to +120°C, VDD = 3.0 V to 3.6 V, unless otherwise noted) Parameter Conditions Min Typ Max Unit Power Supply Supply Voltage, VDD 3.0 3.30 3.6 V Average Operating Supply Current, IDD 0.0625 Conversions/Sec Rate (Note 1) − 3.0 4.0 mA Standby Mode − 5.0 30 mA Undervoltage Lockout Threshold VDD Input, Disables ADC, Rising Edge − 2.55 − V Power-On-Reset Threshold 1.0 − 2.5 V Temperature-to-Digital Converter Local Sensor Accuracy (Note 2) 0 °C ≤ TA ≤ +70°C 0 °C ≤ TA ≤ +85°C −40 ≤ TA ≤ +100°C − − − − − − ±1 ±1.5 ±2.5 °C Resolution − 1.0 − °C Remote Diode Sensor Accuracy (Note 2) 0 °C ≤ TA ≤ +70°C, −55°C ≤ TD (Note 3) ≤ +150°C 0 °C ≤ TA ≤ +85°C, −55°C ≤ TD (Note 3) ≤ +150°C −40 °C ≤ TA ≤ +100°C, −55°C ≤ TD (Note 3) ≤ +150°C − − − − − − ±1 ±1.5 ±2.5 °C Resolution − 0.25 − °C Remote Sensor Source Current High Level (Note 4) − 233 − mA Low Level (Note 4) − 14 − mA Conversion Time From Stop Bit to Conversion Complete (Both Channels) One-shot Mode with Averaging Switched On − 73 94 ms One-shot Mode with Averaging Off (Conversion Rate = 16, 32, or 64 Conversions per Second) − 11 14 ms Open-Drain Digital Outputs (THERM, ALERT/THERM2) Output Low Voltage, VOL IOUT = −6.0 mA − − 0.4 V High Level Output Leakage Current, IOH VOUT = VDD − 0.1 1.0 mA SMBus Interface (Notes 4 and 5) Logic Input High Voltage, VIH SCLK, SDATA 2.1 − − V Logic Input Low Voltage, VIL SCLK, SDATA − − 0.8 V Hysteresis − 500 − mV SDA Output Low Voltage, VOL IOUT = −6.0 mA − − 0.4 V Logic Input Current, IIH, IIL −1.0 − +1.0 mA SMBus Input Capacitance, SCLK, SDATA − 5.0 − pF SMBus Clock Frequency − − 400 kHz SMBus Timeout (Note 6) User Programmable − 25 32 ms SCLK Falling Edge to SDATA Valid Time Master Clocking in Data − − 1.0 ms 1. See Table 11 for information on other conversion rates. 2. Averaging enabled. 3. Guaranteed by characterization, not production tested. 4. Guaranteed by design, not production tested. 5. See Timing Specifications section for more information. 6. Disabled by default. See the Serial Bus Interface section for details to enable it. |
Similar Part No. - ADT7481_14 |
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Similar Description - ADT7481_14 |
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