DRV425 Datasheet, PDF (10/37 Pages) Texas Instruments – DRV425 Fluxgate Magnetic-Field Sensor

DRV425
SBOS729 – OCTOBER 2015
Typical Characteristics (continued)
at VDD = 5 V and T_A = 25°C (unless otherwise noted)
70
60
50
40
30
20
10
0
Output Offset (2V)
D0156
VDD = 3.3 V
Figure 19. Shunt-Sense Amplifier Output Offset Histogram
75
Device 1
Device 2
50
Device 3
25
0
-25
-50
-75
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
D017
Figure 21. Shunt-Sense Amplifier Output Offset vs
Temperature
100
80
60
40
20
0
0.01
0.1
1
10
100
Input Signal Frequency (kHz)
1000
D020
Figure 23. Shunt-Sense Amplifier CMRR vs
Input Signal Frequency
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75
50
25
0
-25
-50
-75
3
3.5
4
4.5
5
Supply Voltage (V)
5.5
D018
Figure 20. Shunt-Sense Amplifier Output Offset vs
Supply Voltage
50
40
30
20
10
0
Common-Mode Rejection Ratio (2V/V)
D019
Figure 22. Shunt-Sense Amplifier CMRR Histogram
70
60
50
40
30
20
10
0
Power-Supply Rejection Ratio (2V/V)
D021
Figure 24. Shunt-Sense Amplifier PSRR Histogram
10
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