ADM9240 View Datasheet(PDF) - ON Semiconductor
Part Name
Description
Manufacturer
ADM9240 Datasheet PDF : 22 Pages
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ADM9240–SPECIFICATIONS1, 2
(TA = TMIN to TMAX, VCC = VMIN to VMAX, unless otherwise noted)
Parameter
Min Typ Max Units Test Conditions/Comments
POWER SUPPLY
Supply
Supply
Voltage,
Current,
VICCCC
2.85 5
1.4
1.0
25
5.75 V
2.0 mA
mA
100 µA
Interface Inactive, ADC Active
ADC Inactive, DAC Active
Shutdown Mode
TEMPERATURE-TO-DIGITAL CONVERTER
Accuracy
Resolution
±3 °C
±2 °C
± 0.5
°C
–T40A°=C+≤2T5°AC≤ +125°C
ANALOG-TO-DIGITAL CONVERTER
(INCLUDING MUX AND ATTENUATORS)
Total Unadjusted Error, TUE
Differential Nonlinearity, DNL
Power Supply Sensitivity
Total Monitoring Cycle Time
Input Resistance
100
±2 %
Note 3
±1 LSB
±1
%/V
311 331 µs
311 353 µs
140 200 kΩ
+25°C
–40°C
≤
≤
TTAA
≤
≤
+125°C
+125°C
(Note
(Note
4)
4)
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
1.25 V
±3 %
±1 ±3 %
IL = 2 mA
2
LSB No Load
±1 LSB
±1
LSB Monotonic by Design
2
mA
1
mA
FAN RPM-TO-DIGITAL CONVERTER
Accuracy
Full-Scale Count
FAN1 and FAN2 Nominal Input RPM
Internal Clock Frequency
DIGITAL OUTPUT NTEST_OUT
Output High Voltage, VOH
Output Low Voltage, VOL
OPEN-DRAIN DIGITAL OUTPUTS
(INT, RESET, CI)
Output Low Voltage, VOL
High Level Output Current,
RESET and CI Pulsewidth
IOH
±6 %
±12 %
255
+25°C
–40oC
≤
≤
TTAA
≤ +125°C
≤ +125°C
8800
rpm Divisor = 1, Fan Count = 153
(Note 5)
4400
rpm Divisor = 2, Fan Count = 153
(Note 5)
2200
rpm Divisor = 3, Fan Count = 153
(Note 5)
1100
rpm Divisor = 4, Fan Count = 153
(Note 5)
21.1
19.8
22.5 23.9 kHz
22.5 25.2 kHz
+25°C
–40oC
≤
≤
TTAA
≤ +125°C
≤ +125°C
2.4
2.4
V
V
0.4 V
0.4 V
VVVVIIIIOOOOCCCCUUUUCCCCTTTT========424253––....53..282800..555500mmVVVVmmAA––––AA5353,, ....,,74745555
V
V
V
V
20
0.4 V
0.4 V
0.1 100 µA
45
ms
VIIOOOUUUTTT===––V53C..00C
mA,
mA,
VVCCCC
=
=
5.75
3.45
V
V
Rev. 2 | Page 2 of 22 | www.onsemi.com
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REV. 0
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