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ADT7476ARQZ-R7 数据表(PDF) 4 Page - ON Semiconductor

部件名 ADT7476ARQZ-R7
功能描述  dBCOOL Remote Thermal Controller and Voltage Monitor
PDF  67 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

ADT7476ARQZ-R7 数据表(HTML) 4 Page - ON Semiconductor

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ADT7476
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ELECTRICAL CHARACTERISTICS TA = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted. (Note 1)
Parameter
Conditions
Min
Typ
Max
Unit
Power Supply
Supply Voltage
3.0
3.3
3.6
V
Supply Current, ICC
Interface inactive, ADC active
1.5
3.0
mA
Temperature−to−Digital Converter
Local Sensor Accuracy
Resolution
0°C ≤ TA ≤ 85°C
−40°C ≤ TA ≤ 125°C
±0.5
0.25
±1.5
±2.5
°C
Remote Diode Sensor Accuracy
Resolution
0°C ≤ TA ≤ 85°C
−40°C ≤ TA ≤ 125°C
±0.5
0.25
±1.5
±2.5
°C
Remote Sensor Source Current
Low level
High level
11
180
mA
Analog−to−Digital Converter (Including MUX and Attentuators)
Total Unadjusted Error (TUE)
For 12 V channel
For all other channels
±2
±1.5
%
Differential Non−linearity (DNL)
8 bits
±1
LSB
Power Supply Sensitivity
±0.1
%/V
Conversion Time
Voltage Input
Local Temperature
Remote Temperature
Averaging enabled
11
12
38
ms
Total Monitoring Cycle Time
Averaging enabled
Averaging disabled
145
19
ms
Input Resistance
For VCCP channel
For all other channels
70
70
120
114
kW
Fan RPM−To−Digital Converter
Accuracy
0°C ≤ TA ≤ 70°C
−40°C ≤ TA ≤ +120°C
±6
±10
%
Full−Scale Count
65,535
Nominal Input RPM
Fan count = 0xBFFF
Fan count = 0x3FFF
Fan count = 0x0438
Fan count = 0x021C
109
329
5000
10,000
RPM
Open−Drain Digital Outputs, PWM1 TO PWM3, XTO
Current Sink, IOL
8.0
mA
Output Low Voltage, VOL
IOUT = −8.0 mA
0.4
V
High Level Output Current, IOH
VOUT = VCC
0.1
20
mA
Open−Drain Serial Data Bus Output (SDA)
Output Low Voltage, VOL
IOUT = −4.0 mA
0.4
V
High Level Output Current, IOH
VOUT = VCC
0.1
1.0
mA
SMBus Digital Inputs (SCL, SDA) (Note 2)
Input High Voltage, VIH
2.0
V
Input Low Voltage, VIL
0.4
V
Hysteresis
500
mV
Digital Input Logic Levels (TACH Inputs)
Input High Voltage, VIH
Maximum input voltage
2.0
3.6
V
Input Low Voltage, VIL
Minimum input voltage
−0.3
0.8
V
Hysteresis
0.5
V p−p



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