ADT7490ARQZ-REEL 查看數據表（PDF） - Analog Devices
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ADT7490ARQZ-REEL Datasheet PDF : 76 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
4.7
4.5
4.3
DEV 1
DEV 3
4.1
DEV 2
3.9
3.7
3.5
3.0
3.1
3.2
3.3
3.4
3.5
3.6
VDD (V)
Figure 4. Supply Current vs. Supply Voltage
4.24
4.22
DEV 2
4.20
4.18
DEV 1
4.16
4.14
DEV 3
4.12
–40 –20
0
20
40
60
80 100 120
TEMPERATURE (°C)
Figure 5. Supply Current vs. Temperature
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–40
–20 0
25 40 60 70
TEMPERATURE (°C)
85 100
Figure 6. Local Temperature Sensor Error
DEV 1
DEV 2
DEV 3
DEV 4
DEV 5
DEV 6
DEV 7
DEV 8
DEV 9
DEV 10
DEV 11
DEV 12
DEV 13
DEV 14
DEV 15
DEV 16
DEV 17
DEV 18
DEV 19
DEV 20
DEV 21
DEV 22
DEV 23
DEV 24
DEV 25
DEV 26
DEV 27
DEV 28
DEV 29
DEV 30
DEV 31
DEV 32
MEAN
LOW SPEC
HIGH SPEC
125
ADT7490
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–40
–20 0
25 40 60 70
TEMPERATURE (°C)
85 100
Figure 7. Remote 1 Temperature Sensor Error
DEV 1
DEV 2
DEV 3
DEV 4
DEV 5
DEV 6
DEV 7
DEV 8
DEV 9
DEV 10
DEV 11
DEV 12
DEV 13
DEV 14
DEV 15
DEV 16
DEV 17
DEV 18
DEV 19
DEV 20
DEV 21
DEV 22
DEV 23
DEV 24
DEV 25
DEV 26
DEV 27
DEV 28
DEV 29
DEV 30
DEV 31
DEV 32
MEAN
LOW SPEC
HIGH SPEC
125
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–40
–20 0
25 40 60 70
TEMPERATURE (°C)
85 100
Figure 8. Remote 2 Temperature Sensor Error
DEV 1
DEV 2
DEV 3
DEV 4
DEV 5
DEV 6
DEV 7
DEV 8
DEV 9
DEV 10
DEV 11
DEV 12
DEV 13
DEV 14
DEV 15
DEV 16
DEV 17
DEV 18
DEV 19
DEV 20
DEV 21
DEV 22
DEV 23
DEV 24
DEV 25
DEV 26
DEV 27
DEV 28
DEV 29
DEV 30
DEV 31
DEV 32
MEAN
LOW SPEC
HIGH SPEC
125
140
EXTERNAL 2
120
100
LOCAL
80
EXTERNAL 1
60
40
20
0
0
10
20
30
40
50
60
TIME (s)
Figure 9. ADT7490 Response to Thermal Shock
Rev. 0 | Page 9 of 76
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