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ADT7483AARQZ 数据表(PDF) 3 Page - ON Semiconductor |
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ADT7483AARQZ 数据表(HTML) 3 Page - ON Semiconductor |
3 / 24 page ADT7483A Rev. 1 | Page 3 of 24 | www.onsemi.com SPECIFICATIONS TA = −40°C to +125°C, VDD = 3 V to 3.6 V, unless otherwise noted. Table 1. Parameter Min Typ Max Unit Test Conditions POWER SUPPLY Supply Voltage, VDD 3.0 3.30 3.6 V Average Operating Supply Current, IDD 240 350 μA 0.0625 conversions/sec rate1 5 30 μA Standby mode Undervoltage Lockout Threshold 2.55 V VDD input, disables ADC, rising edge Power-On-Reset Threshold 1 2.5 V TEMPERATURE-TO-DIGITAL CONVERTER2 Local Sensor Accuracy ±1 °C 0°C ≤ TA ≤ 70°C ±1.5 °C 0°C ≤ TA ≤ 85°C ±2.5 °C −40 ≤ TA ≤ 100°C Resolution 1 °C Remote Diode Sensor Accuracy ±1 °C 0°C ≤ TA ≤ 70°C, −55°C ≤ TD3 ≤ 150°C ±1.5 °C 0°C ≤ TA ≤ 85°C, −55°C ≤ TD3 ≤ 150°C ±2.5 °C −40 ≤ TA ≤ 100°C, −55°C ≤ TD3 ≤ +150°C Resolution 0.25 °C Remote Sensor Source Current3 233 μA High level 14 μA Low level Conversion Time 73 94 ms From stop bit to conversion complete (all channels), one-shot mode with averaging switched on 11 14 ms One-shot mode with averaging off, (conversion rate = 16, 32, or 64 conversions/sec) OPEN-DRAIN DIGITAL OUTPUTS (THERM, ALERT/THERM2) Output Low Voltage, VOL 0.4 V IOUT = −6.0 mA High Level Output Leakage Current, IOH 0.1 1 μA VOUT = VDD SMBus INTERFACE3, 4 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 0.4 V IOUT = −6.0 mA Logic Input Current, IIH, IIL −1 +1 μA SMBus Input Capacitance, SCLK, SDATA 5 pF SMBus Clock Frequency 400 kHz SMBus Timeout5 25 32 ms User programmable SCLK Falling Edge to SDATA Valid Time 1 μs Master clocking in data 1 See Table 11 for information on other conversion rates. 2 Temperature accuracy guaranteed with averaging enabled. 3 Guaranteed by design, but not production tested. 4 See the SMBus Timing Specifications section for more information. 5 Disabled by default. Instructions to enable it are in the Serial Bus Interface section. |
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类似说明 - ADT7483AARQZ |
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