MAX9921 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX9921 Datasheet PDF : 16 Pages
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Dual, 2-Wire Hall-Effect Sensor Interface
with Diagnostics
Typical Operating Characteristics (continued)
(VBAT = 14V, TA = +25°C, unless otherwise noted.)
IN_ BLANKING TIME AT HALL SWITCH
POWER-UP vs. TEMPERATURE
100
95
90
85
80
75
70
65
60
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
DELAY FROM IN_ FAULT TO ERR
(FILTER DELAY) vs. TEMPERATURE
50
40
30
20
10
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
MAXIMUM FREQUENCY ON HALL INPUTS
vs. TEMPERATURE
100
95
90
85
80
75
70
65
IN1 AND IN2, 50% DUTY CYCLE
60
55
50
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
IN_ CURRENT RAMP RATE AFTER
TURN-ON vs. TEMPERATURE
5
4
3
2
1
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
DELAY DIFFERENCE BETWEEN RISING
AND FALLING EDGES FOR BOTH CHANNELS
vs. TEMPERATURE
180
160
140
120
IN1 AND IN2
100
80
60
40
20
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
IN_ PULSE LENGTH REJECTED BY FILTER
TO OUT_ vs. TEMPERATURE
7
6
5
IN1 AND IN2 WITH
4
POSITIVE PULSE
IN1 AND IN2 WITH
NEGATIVE PULSE
3
2
1
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
DELAY FROM IN_ TO OUT_ (FILTER DELAY)
vs. TEMPERATURE
10
9
8
7
6
5
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
DELAY DIFFERENCE BETWEEN
CHANNELS vs. TEMPERATURE
250
200
150
100
50
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
VBAT UNDERVOLTAGE THRESHOLD
vs. TEMPERATURE
6.2
6.1
6.0
5.9
VBAT RISING, ERR GOES HIGH
5.8
5.7
5.6
5.5
VBAT FALLING, ERR GOES LOW
5.4
5.3
5.2
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
_______________________________________________________________________________________ 7
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