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ADM1025 Datasheet(PDF) 3 Page - ON Semiconductor

Part No. ADM1025
Description  Low Cost PC Hardware Monitor ASIC
Download  21 Pages
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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ADM1025 Datasheet(HTML) 3 Page - ON Semiconductor

 
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Preliminary Technical Data
ADM1025/ADM1025A
Rev. P5 | Page 3 of 21| www.onsemi.com
SPECIFICATIONS
TA = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
POWER SUPPLY
Supply Voltage, VCC1
3.0
3.30
5.5
V
Supply Current, ICC2
1.4
2.5
mA
Interface Inactive, ADC Active
32
500
μA
Standby Mode
TEMPERATURE-TO-DIGITAL CONVERTER
Internal Sensor Accuracy
±3
°C
Resolution
1
°C
External Diode Sensor Accuracy
±5
°C
±3
°C
60°C ≤ TA ≤ 100°C; VCC = 3.3 V
Resolution
1
°C
Remote Sensor Source Current
180
μA
High Level
11
μA
Low Level
ANALOG-TO-DIGITAL CONVERTER (INCLUDING MUX AND
ATTENUATORS)
Total Unadjusted Error, TUE3
±2
%
Differential Nonlinearity, DNL
±1
LSB
Power Supply Sensitivity
±1
%/V
Conversion Time (Analog Input or Internal Temperature)4
11.6
ms
Conversion Time (External Temperature)4
34.8
ms
Input Resistance (2.5 V, 3.3 V, 5 V, 12 V, VCCPIN)
80
140
250
OPEN-DRAIN DIGITAL OUTPUT ADD/RST/INT/NTO
Output Low Voltage, VOL
0.4
V
IOUT = −6.0 mA; VCC = 3 V
High Level Output Leakage Current, IOH
0.1
1
μA
VOUT = VCC; VCC = 3 V
RST Pulsewidth
20
45
ms
OPEN-DRAIN SERIAL DATABUS OUTPUT (SDA)
Output Low Voltage, VOL
0.4
V
IOUT = –6.0 mA; VCC = 3 V
High Level Output Leakage Current, IOH
0.1
1
μA
VOUT = VCC
SERIAL BUS DIGITAL INPUTS (SCL, SDA)
Input High Voltage, VIH
2.1
V
Input Low Voltage, VIL
0.8
V
Hysteresis
500
mV
DIGITAL INPUT LOGIC LEVELS (ADD, VID0–VID4, NTI)5
VID0–VID3 Input Resistance
100
ADM1025 Only
VID4 Input Resistance
300
ADM1025 Only
100
ADM1025A
Input High Voltage, VIH6
2.1
V
Input Low Voltage, VIL6
0.8
V
DIGITAL INPUT LEAKAGE CURRENT
Input High Current, IIH
−1
μA
VIN = VCC
Input Low Current, IIL
+1
μA
VIN = 0
Input Capacitance, CIN
5
pF


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