KMZ49 View Datasheet(PDF) - NXP Semiconductors.
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NXP Semiconductors
KMZ49
Magnetic field sensor
7. Characteristics
Table 6. Characteristics
Tamb = 25 C; Hext = 25 kA/m; VCC = 5 V; unless otherwise specified.
Symbol
Parameter
Conditions
VCC
VM
TCVM
supply voltage
peak voltage
peak voltage temperature
coefficient
see Figure 2
Tamb = 40 C to +150 C
Rbridge
TCR(bridge)
bridge resistance
bridge resistance
temperature coefficient
Tamb = 40 C to +150 C
Voffset
offset voltage
per supply voltage;
see Figure 2
TCV(offset)
offset voltage temperature
coefficient
per supply voltage;
Tamb = 40 C to +150 C;
see Figure 2
Vo(hys)
k
hysteresis output voltage
amplitude synchronism
see Figure 3
TCk
amplitude synchronism
Tamb = 40 C to +150 C
temperature coefficient
angular inaccuracy
Min
[1] -
[1][2] 60
[1][3] 0.3
[1][4] 2.7
[1][5] 0.24
[1] 2
[1][6] 2
Typ
Max Unit
5
9
V
67
75
mV
0.36 0.42 %/K
3.2
3.7
k
0.26 0.29 %/K
-
+2
mV/V
-
+2
(V/V)/K
[1][7] 0
[8] 99.5
[9] 0.01
0.05
100
0
[10] 0
0.05
0.18
100.5
+0.01
%FS
%
%/K
0.1
deg
[1] Applicable for bridge 1 and bridge 2.
[2] VM = VO(max) Voffset. Periodicity of VM: sin(2) and cos(2), respectively.
[3]
TCVM
=
------V----M------a----t----1---5---0--------C--------–----V----M-------a---t----–---4---0--------C----------
VMat 25 C 150 C – –40 C
[4] Bridge resistance between pin 4 to pin 8, pin 3 to pin 7, pin 1 to pin 5 and pin 2 to pin 6.
[5]
TCRbridge
=
-R----b--r---i-d---g---e-----a---t----1---5---0--------C--------–----R----b---r--i--d--g---e-----a---t----–---4---0--------C-----
Rbridgeat 25 C 150 C – –40 C
[6] TCVoffset = V----o---f--f-s---e--t----a---t----11---55---00--------CC------–--–-----V–---4-o--0f--f--s--e--Ct----a----t----–---4---0--------C-----
[7]
Vohys1 =
V----O----1-----6---7----.-5---------1---3---5---------------4---5-------–----V----O----1-----6---7----.-5---------4---5---------------1---3---5----
2 VM1
Vohys2 =
V----O----2-----2---2----.-5---------9---0---------------0-------–----V----O----2-----2---2----.-5---------0---------------9---0----
2 VM2
[8] k = V----M-----1
VM2
[9] TCk = k------a--k-t----2-a--5-t----1---C5---0--------C----1---5-–--0---k-----aC---t---–-–---4---–0---4---0--C------C-------
[10] = real – meas ; Voffset = 0 V; inaccuracy of angular measurement due to deviations from ideal sinusoidal characteristics,
calculated from the third and fifth harmonics of the spectrum VO. For definition of see Figure 2.
KMZ49
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 31 October 2011
© NXP B.V. 2011. All rights reserved.
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