ADM1027ARQ Просмотр технического описания (PDF) - ON Semiconductor
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ADM1027ARQ Datasheet PDF : 56 Pages
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ADM1027–SPECIFICATIONS1, 2, 3, 4 (TA = TMIN to TMAX (0؇C to 105؇C), VCC = VMIN to VMAX (3 V to 5.5 V),
unless otherwise noted.)
Parameter
Min
POWER SUPPLY
Supply Voltage
3.0
Supply Current, ICC
TEMP-TO-DIGITAL CONVERTER
Local Sensor Accuracy
Resolution
Remote Diode Sensor Accuracy
Resolution
Remote Sensor Source Current
ANALOG-TO-DIGITAL CONVERTER
(INCLUDING MUX AND ATTENUATORS)
Total Unadjusted Error, TUE
Differential Nonlinearity, DNL
Power Supply Sensitivity
Conversion Time (Voltage Input)
Conversion Time (Local Temperature)
Conversion Time (Remote Temperature)
Total Monitoring Cycle Time
Total Monitoring Cycle Time
Input Resistance
80
FAN RPM-TO-DIGITAL CONVERTER
Accuracy
Full-Scale Count
Nominal Input RPM
Internal Clock Frequency
82.8
OPEN-DRAIN DIGITAL OUTPUTS,
PWM1–PWM3, XTO
Current Sink, IOL
Output Low Voltage, VOL
High Level Output Current, IOH
Typ Max Unit Test Conditions/Comments
3.3
5.5
V
1.4
3
mA Interface Inactive, ADC Active
±3
oC
±2
oC
±1
oC
0.25
oC
±3
oC
± 1.5
oC
±1
oC
oC
0.25
oC
200
mA
12
mA
0oC Յ TA Յ 105oC
0oC Յ TA Յ 70oC
TA = 40oC
0oC Յ TD Յ 120oC
0oC Յ TD Յ 120oC; 0oC Յ TA Յ 70oC
TA = 40oC
0oC Յ TD Յ 120oC; TA = 40oC
High Level
Low Level
± 0.5 ± 1
%
± 1.5 %
±1
LSB
± 0.1
%/V
11.38 12.29 ms
12.09 13.05 ms
25.59 27.64 ms
120.17 129.78 ms
13.51 14.59 ms
140
250
k⍀
All ADC Inputs except 12 V
12 V Input
8 Bits
Averaging Enabled
Averaging Enabled
Averaging Enabled
Averaging Enabled
Averaging Disabled
109
329
5,000
10,000
90
±6
±8
65,535
97.2
%
%
RPM
RPM
RPM
RPM
kHz
0oC Յ TA Յ 70oC
3.0 V Յ VCC Յ 3.6 V
Fan Count = 0xBFFF
Fan Count = 0x3FFF
Fan Count = 0x0438
Fan Count = 0x021C
8.0
mA
0.4
V
IOUT = –8.0 mA, VCC = 3.3 V
0.1
1
mA
VOUT = VCC
Rev. 3 | Page 2 of 56 | www.onsemi.com
–2–
REV. A
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