MAX9921 查看數據表（PDF） - Maxim Integrated
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MAX9921 Datasheet PDF : 16 Pages
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Dual, 2-Wire Hall-Effect Sensor Interface
with Diagnostics
(VBAT = 14V, TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
BAT SUPPLY CURRENT
vs. VBAT IN OPERATING MODE
1.4
TA = -40°C
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
19.0
19.5
20.0
20.5
21.0
BAT VOLTAGE (V)
BAT SUPPLY CURRENT
vs. VBAT IN OPERATING MODE
1.3
TA = -40°C
1.2
1.1
1.0
0.9
0.8
HALL INPUTS DISABLED
0.7
OPERATING MODE
0.6
5 10 15 20 25 30 35 40 45 50 55 60
BAT VOLTAGE (V)
BAT SUPPLY CURRENT
vs. VBAT IN SHUTDOWN MODE
50
45
40
35
TA = +125°C
30
TA = +25°C
25
20
15
TA= -40°C
10
5
0
0
10
20
30
40
BAT VOLTAGE (V)
BAT SUPPLY CURRENT
vs. VBAT IN OPERATING MODE
1.4
TA = +25°C
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
19.0
19.5
20.0
20.5
21.0
BAT VOLTAGE (V)
BAT SUPPLY CURRENT
vs. VBAT IN OPERATING MODE
1.3
TA = +25°C
1.2
1.1
1.0
0.9
0.8
HALL INPUTS DISABLED
0.7
OPERATING MODE
0.6
5 10 15 20 25 30 35 40 45 50 55 60
BAT VOLTAGE (V)
HALL INPUT CURRENT HYSTERESIS FOR
HIGH/LOW THRESHOLDS
vs. TEMPERATURE
10.0
9.8
9.6
9.4 HIGH THRESHOLD
9.2
LOW THRESHOLD
9.0
8.8
8.6
8.4
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
BAT SUPPLY CURRENT
vs. VBAT IN OPERATING MODE
1.6
TA = +125°C
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
19.0
19.5
20.0
20.5
21.0
BAT VOLTAGE (V)
BAT SUPPLY CURRENT
vs. VBAT IN OPERATING MODE
1.6
TA = +125°C
1.4
1.2
1.0
0.8 OPERATING MODE
HALL INPUTS DISABLED
0.6
5 10 15 20 25 30 35 40 45 50 55 60
BAT VOLTAGE (V)
HALL INPUT CURRENT HYSTERESIS FOR
HIGH/LOW THRESHOLD vs. VBAT
9.8
9.6
9.4 HIGH THRESHOLD
9.2
LOW THRESHOLD
9.0
8.8
8.6
6
8 10 12 14 16 18
BAT VOLTAGE (V)
6 _______________________________________________________________________________________
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