參數(shù)資料
型號: 934056466115
廠商: NXP SEMICONDUCTORS
元件分類: 模擬信號調理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO8
封裝: 3.90 MM, PLASTIC, SOT-96-1, SO-8
文件頁數(shù): 3/10頁
文件大?。?/td> 110K
代理商: 934056466115
2003 Mar 26
2
Philips Semiconductors
Preliminary specication
Magnetic eld sensor
KMZ43T
DESCRIPTION
The KMZ43T is a sensitive magnetic field sensor,
employing the magnetoresistive effect of thin-film
permalloy. The sensor contains two galvanic separated
Wheatstone bridges, which enclose an angle of 45
°.
A rotating magnetic field in the x-y plane will produce two
independent sinusoidal output signals, one a function of
+cos(2
α) and the second a function of +sin(2α), α being
the angle between sensor and field direction (see Fig.3).
Unlike the KMZ41(1), which needs a saturation field
strength of 100 kA/m, the KMZ43 is suited to high
precision angle measurement applications under low field
conditions (saturation field strength 25 kA/m).
The sensor can be operated at any frequency between
DC and 1 MHz.
PINNING
(1) The KMZ41 delivers a +sin(2
α) and a cos(2α) signal.
PIN
SYMBOL
DESCRIPTION
1
VO1
output voltage bridge 1
2
V
O2
output voltage bridge 2
3VCC2
supply voltage bridge 2
4VCC1
supply voltage bridge 1
5+VO1
output voltage bridge 1
6+VO2
output voltage bridge 2
7
GND2
ground 2
8
GND1
ground 1
handbook, halfpage
4
1
5
8
MGD790
pin 1
index
x
y
Fig.1 Simplified outline SOT96-1.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
VCC1
operating voltage bridge 1
59V
VCC2
operating voltage bridge 2
59V
S
sensitivity (
α2 =0°; α1 = 135°)
2.1
2.35
2.6
mV/
°
Voffset
offset voltage per supply voltage
2
+2
mV/V
Rbridge
bridge resistance per bridge
2.5
3
3.5
k
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