DRV425 Datasheet, PDF (11/37 Pages) Texas Instruments – DRV425 Fluxgate Magnetic-Field Sensor

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Typical Characteristics (continued)
at VDD = 5 V and T_A = 25°C (unless otherwise noted)
100
80
60
40
20
0
0.01
0.1
1
10
100
Ripple Frequency (kHz)
1000
D022
Figure 25. Shunt-Sense Amplifier PSRR vs
Ripple Frequency
51
50.8
50.6
50.4
50.2
50
49.8
49.6
49.4
49.2
49
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
D024
Figure 27. Shunt-Sense Amplifier AINP Input Impedance
vs Temperature
11
10.8
10.6
10.4
10.2
10
9.8
9.6
9.4
9.2
9
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
D026
Figure 29. Shunt-Sense Amplifier AINN Input Impedance
vs Temperature
DRV425
SBOS729 – OCTOBER 2015
100
80
60
40
20
0
AINP Input Impedance (k:)
D023
Figure 26. Shunt-Sense Amplifier AINP Input Impedance
Histogram
50
40
30
20
10
0
D025
AINN Input Impedance (k:)
Figure 28. Shunt-Sense Amplifier AINN Input Impedance
Histogram
100
80
60
40
20
0
D027
Gain Error (%)
Including IFG, VDD = 5 V
Figure 30. Shunt-Sense Amplifier Gain Error Histogram
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