DRV421_16 Datasheet, PDF (9/44 Pages) Texas Instruments – Integrated Magnetic Fluxgate Sensor for Closed-Loop Current Sensing

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Typical Characteristics (continued)
at V_DD = 5 V and T_A = +25°C (unless otherwise noted)
0
V_DD = 5 V
V_DD = 3.3 V
-1
-2
-3
-4
-5
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
D013
R_LOAD = 20 Ω
Figure 13. Negative Voltage Swing at ICOMPx Pins vs
Temperature
70
60
50
40
30
20
10
0
Output Offset (PV)
D015
V_DD = 5 V
Figure 15. Shunt Sense Amplifier 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 17. Shunt Sense Amplifier Offset vs Temperature
DRV421
SBOS704B – MAY 2015 – REVISED MARCH 2016
5
4
3
2
1
V_DD = 5 V
V_DD = 3.3 V
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
D014
R_LOAD = 20 Ω
Figure 14. Positive Voltage Swing at ICOMPx Pins vs
Temperature
70
60
50
40
30
20
10
0
Output Offset (PV)
D0156
V_DD = 3.3 V
Figure 16. Shunt Sense Amplifier Offset Histogram
75
50
25
0
-25
-50
-75
3
3.5
4
4.5
5
Supply Voltage (V)
5.5
D018
Figure 18. Shunt Sense Amplifier Offset vs Supply Voltage
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