HAC830CV-M-A-2-A-2 Datasheet, PDF (30/49 Pages) Micronas – Robust Multi-Purpose Programmable Linear Hall-Effect Sensor with Integrated Capacitors

DATA SHEET
HAC 830
4.7.1. Definition of Sensitivity Error ES
ES is the maximum of the absolute value of the quotient of the normalized measured
value¹⁾ over the normalized ideal linear²⁾ value minus 1:
ES
=
m
ax_
abs_
m_-----e_---a_----s
ideal
– 1_{}
{Tmin, Tmax}
In the example below, the maximum error occurs at 10 °C:
ES
=
1----.-0---0---1-
0.993
–1
=
0.8%
1)_{normalized to achieve a least-squares method straight line that has a value of 1 at 25 °C}
2)_{normalized to achieve a value of 1 at 25 °C}
ideal 200 ppm/k
1.03
least-squares method straight
line of normalized measured data
measurement example of real
1.02
sensor, normalized to achieve a
value of 1 of its least-squares
method straight line at 25 °C
1.01
1.00
1.001
0.99
0.992
0.98
-50 -25 ^-10 0
25 50 75 100 125 150 175
temperature [°C]
Fig. 4–4: ES definition example
Micronas
Feb. 24, 2016; DSH000178_001EN
30