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ADT7461AR-REEL 数据表(PDF) 3 Page - Analog Devices |
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ADT7461AR-REEL 数据表(HTML) 3 Page - Analog Devices |
3 / 24 page ADT7461 ADT7461–SPECIFICATIONS Table 1. ADT7461 Specifications at TA = −40°C to +120°C , VDD = 3 V to 5.5 V, unless otherwise noted. Parameter Min Typ Max Unit Test Conditions POWER SUPPLY Supply Voltage, VDD 3.0 3.30 5.5 V Average Operating Supply Current, IDD 170 215 µA 0.0625 Conversions/Sec Rate1 5.5 10 µA Standby Mode , –40°C ≤ TA ≤ +85°C 5.5 20 µA Standby Mode, +85°C ≤ TA ≤ +120°C Undervoltage Lockout Threshold 2.2 2.55 2.8 V VDD Input, Disables ADC, Rising Edge Power-On-Reset Threshold 1 2.5 V TEMPERATURE-TO-DIGITAL CONVERTER Local Sensor Accuracy ±1 ±3 °C −40°C ≤ TA ≤ +100°C, 3 V ≤ VDD ≤ 3.6 V Resolution 1 °C Remote Diode Sensor Accuracy ±1 °C +60°C ≤ TA ≤ +100°C, −55°C ≤ TD 2 ≤ +150°C, 3 V ≤ VDD ≤ 3.6 V ±3 °C −40°C ≤ TA ≤ +120°C, −55°C ≤ TD 2 ≤ +150°C, 3 V ≤ VDD ≤ 5.5 V Resolution 0.25 °C Remote Sensor Source Current 96 µA High Level3 36 µA Middle Level3 6 µA Low Level3 Conversion Time 32.13 114.6 ms From Stop Bit to Conversion Complete (Both Channels) One- Shot Mode with Averaging Switched On 3.2 12.56 ms One-Shot Mode with Averaging Off (i.e., Conversion Rate = 16, 32, or 64 Conversions per Second) Maximum Series Resistance Cancelled 3 kΩ Resistance Split Evenly on Both the D+ and D– Inputs OPEN-DRAIN DIGITAL OUTPUTS (THERM, ALERT/THERM2) Output Low Voltage, VOL 0.4 V IOUT = −6.0 mA3 High Level Output Leakage Current, IOH 0.1 1 µA VOUT = VDD 3 ALERT Output Low Sink Current 1 mA ALERT forced to 0.4 V SMBus INTERFACE3, 4 Logic Input High Voltage, VIH 2.1 V 3 V ≤ VDD ≤ 3.6 V SCLK, SDATA Logic Input Low Voltage, VIL 0.8 V 3 V ≤ VDD ≤ 3.6 V SCLK, SDATA Hysteresis 500 mV SMBus Output Low Sink Current 6 mA SDATA Forced to 0.6 V Logic Input Current, IIH, IIL −1 +1 µA SMBus Input Capacitance, SCLK, SDATA 5 pF SMBus Clock Frequency 400 kHz SMBus Timeout5 25 64 ms User Programmable. SCLK Falling Edge to SDATA Valid Time 1 µs Master Clocking in Data 1 See Table 8 for information on other conversion rates. 2 Guaranteed by characterization but not production tested. 3 Guaranteed by design but not production tested. 4 See SMBus Timing Specifications section for more information. 5 Disabled by default. Details on how to enable it are in the SMBus section of this data sheet. Rev. 0 | Page 3 of 24 |
类似零件编号 - ADT7461AR-REEL |
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类似说明 - ADT7461AR-REEL |
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