DRV425 Datasheet, PDF (12/37 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)
100
80
60
40
20
0
D055
Gain Error (%)
Including IFG, VDD = 3.3 V
Figure 31. Shunt-Sense Amplifier Gain Error Histogram
20
15
10
5
0
0.01
0.1
1
10
100
1000 10000
Input Signal Frequency (kHz)
D029
Figure 33. Shunt-Sense Amplifier Gain vs
Input Signal Frequency
0.5
VDD = 5.5 V
VDD = 3.0 V
0.4
0.3
0.2
0.1
0
0 1 2 3 4 5 6 7 8 9 10
Output Current (mA)
D031
Figure 35. OR Pin Trip Level vs Output Current
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0.3
0.25
0.2
0.15
0.1
0.05
0
-0.05
-0.1
-0.15
-0.2
-0.25
-0.3
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
D028
Figure 32. Shunt-Sense Amplifier Gain Error vs
Temperature
40
35
30
25
20
15
10
5
0
3
3.5
4
4.5
5
5.5
Supply Voltage (V)
D030
Figure 34. Shunt-Sense Amplifier Linearity Error vs
Supply Voltage
0.5
0.4
0.3
0.2
0.1
0
3
3.5
4
4.5
5
5.5
Supply Voltage (V)
D056
Figure 36. OR Pin Trip Level vs Supply Voltage
12
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