Magnetic Field B (uT)
E
rr
o
r
(%
)
-500 -400 -300 -200 -100
0
100
200
300
400
500
-0.25%
-0.15%
-0.05%
0.05%
0.15%
0.25%
D002
Magnet Field B (uT)
Ou
tp
u
t V
o
lta
g
e
(
m
V
)
-500 -400 -300 -200 -100
0
100
200
300
400
500
-2500
-2000
-1500
-1000
-500
0
500
1000
1500
2000
2500
D001
EVM Operation
5
SLOU410B – September 2015 – Revised April 2020
Copyright © 2015–2020, Texas Instruments Incorporated
DRV425 Evaluation Module
4.2.1
Laboratory Measurement Results
and
provide measured test results for linearity and error.
Figure 3. Output Voltage vs. Magnetic Field Strength
Figure 4. Error vs. Magnetic Field Strength