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ADM1022ARQ-REEL7-2003 View Datasheet(PDF) - Analog Devices

Part NameDescriptionManufacturer
ADM1022ARQ-REEL7(2003) Low-Cost PC Temperature Monitor and Fan Control ASIC ADI
Analog Devices ADI
ADM1022ARQ-REEL7 Datasheet PDF : 21 Pages
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ADM1022–SPECIFICATIONS (TA = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted.)
Parameter
Min
Typ1 Max
Unit
Test Conditions
POWER SUPPLY
Supply Voltage, VCC
Supply Current, ICC
3.0
3.30 5.5
V
1.4
2.6
mA
TEMPERATURE-TO-DIGITAL CONVERTER
Internal Sensor Accuracy
Resolution
External Diode Sensor Accuracy
±3
C
±1
±2
C
1
C
±5
C
Resolution
Remote Sensor Source Current
±3
C
1
C
60
90
130
mA
3.5
5.5
7.5
mA
Total Monitoring Cycle Time, tC
200
ms
ANALOG OUTPUT
Output Voltage Range
Total Unadjusted Error, TUE
Full-Scale Error
Zero Error
Differential Nonlinearity, DNL
Integral Nonlinearity
Output Source Current
Output Sink Current
0
2.5
V
±5
%
±1
±3
%
±2
LSB
±1
LSB
±1
LSB
2
mA
1
mA
Interface Inactive, ADC Active
TA = 85C, Tested at Wafer Sort
TA = 85C, Tested at Wafer Sort
High Level (D+ = D– +0.65 V)
Low Level (D+ = D– +0.65 V)
IL = 2 mA
No Load
Monotonic by Design
VOLTAGE MONITOR THRESHOLDS
Reset Threshold, VMON, VCC
Hysteresis
MR INPUT
MR Minimum Pulsewidth, tMR
MR Glitch Immunity
MR to RST2 Propagation Delay, tMD
MR Pull-Up Resistance
RESET OUTPUTS, RST1, RST2
Reset Output Voltage, VOL
Reset Active Timeout Period, tRP
VCC to Reset Delay, tD
DIGITAL OUTPUT ADD/NTEST_OUT2
Output High Voltage, VOH
Output Low Voltage, VOL
OPEN-DRAIN DIGITAL OUTPUTS
(INT, THERM, RST2, RST1)
Output Low Voltage, VOL
High Level Output Leakage Current, IOH
OPEN-DRAIN SERIAL DATA
BUS OUTPUT (SDA)
Output Low Voltage, VOL
High Level Output Leakage Current, IOH
2.85 2.925 3.00 V
50
mV
10
ms
100
ns
0.5
ms
10
20
30
kW
0.3
V
140 180 560
ms
20
ms
2.4
V
0.4
V
0.4
V
0.1
1
mA
0.4
V
0.1
1
mA
Measured with VCC Falling
ISINK = 1.2 mA
VCC = VTH(MAX)
IOUT = 3.0 mA
IOUT = –3.0 mA
VOUT = VCC
IOUT = –3.0 mA
VOUT = VCC
SERIAL BUS DIGITAL INPUTS
(SCL, SDA)
Input High Voltage, VIH
Input Low Voltage, VIL
Input Leakage Current
Hysteresis
2.1
0.8
±5
500
V (min)
V (max)
mA
mV
–2–
REV. B
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