ADT7461AR ON Semiconductor, ADT7461AR Datasheet - Page 8
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ADT7461AR
Manufacturer Part Number
ADT7461AR
Description
IC TEMP MONITOR +/-1C DUAL 8SOIC
Manufacturer
ON Semiconductor
Datasheet
1.ADT7461AR.pdf
(24 pages)
Specifications of ADT7461AR
Rohs Status
RoHS non-compliant
Function
Temp Monitoring System (Sensor)
Topology
ADC, Comparator, Multiplexer, Register Bank
Sensor Type
External & Internal
Sensing Temperature
0°C ~ 127°C, External Sensor
Output Type
SMBus™
Output Alarm
Yes
Output Fan
Yes
Voltage - Supply
3 V ~ 5.5 V
Operating Temperature
-40°C ~ 120°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
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Manufacturer
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ADT7461
Figure 10. Temperature Error vs. Common-Mode Noise Frequency
40
35
30
25
20
15
10
–1
5
0
7
6
5
4
3
2
1
0
5
4
3
2
1
0
3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0 5.2 5.4
(With and Without R-C-R Filter of 100 Ω–2.2 nF–100 Ω)
0
Figure 11. Standby Supply Current vs. Clock Frequency
0
Figure 12. Standby Current vs. Supply Voltage
50
100
40mV NO FILTER
60mV NO FILTER
40mV WITH FILTER
60mV WITH FILTER
100
SCL CLOCK FREQUENCY (kHz)
200
150
FREQUENCY (MHz)
V
DD
200
300
(V)
3V
250
5.5V
400
300
500
350
400
600
Rev. B | Page 8 of 24
Figure 13. Temperature Error vs. 100 mV Common-Mode Noise Frequency
800
700
600
500
400
300
200
100
50
45
40
35
30
25
20
15
10
–5
55
45
35
25
15
–5
0
5
0
0.01
5
Figure 14. Operating Supply Current vs. Conversion Rate
(With and Without R-C-R Filter of 100 Ω–2.2 nF–100 Ω)
0
0
Figure 15. Temperature Error vs. Series Resistance
100
2
0.1
10
SERIES RESISTANCE (Ω)
CONVERSION RATE (Hz)
200
FREQUENCY (MHz)
200
300
1
1k
5.5V
3.3V T = –30
3.3V T = +25
3.3V T = +120
5.5V T = –30
5.5V T = +25
5.5V T = +120
100mV WITH FILTER
100mV NO FILTER
400
3V
2k
10
3k
500
4k
100
600