IC-SM5L_14 Datasheet, PDF (5/7 Pages) IC-Haus GmbH – LINEAR AMR SENSOR

iC-SM5L
LINEAR AMR SENSOR (5 mm)
Rev B2, Page 5/7
ELECTRICAL CHARACTERISTICS
Operating Conditions:
VB = 5 V ±10 %, VCOS = 5 V ±10 %, Tj = -40. . . 125 °C, |Hext| > 25 kA/m at the bottom edge of the sensor, unless otherwise noted
Item Symbol Parameter
No.
Conditions
Unit
Min. Typ. Max.
Total Device
001 VB
Permissible Supply Voltage VSIN, VB = VSIN = VCOS
VCOS
-10
10
V
002 I(VB)
Supply Current in VSIN, VCOS PSIN, NSIN, PCOS, NCOS open
VSIN connected to VCOS
5
10
mA
003 R()
Sensor Resistance of one (sine VSIN connected to VCOS, Tj = 25 °C
and cosine bridge)
1
1.5
2
kΩ
004 TC(R)
Bridge Resistance Temperature
Coefficient
0.29 0.33 0.37 %/K
005 Vpk
Amplitude of Differential Output
Voltages
8
20 mV/V
006 TC(Vpk) Amplitude Temperature
Coefficient
-0.37 -0.33 -0.29 %/K
007 Vos
Diff. Output Offset Voltage
Hext = 0 kA/m at the bottom edge of the sensor -3
3 mV/V
008 TC(Vos) Offset Voltage Temperature
Coefficient
-3
3 µV/V/K
009 Vrel
Relative Change in Amplitude distance bottom edge of the sensor to the mag- -5
netic scale: 0 ... 2.5 mm
5
%
010 AAabs Absolute Angle Accuracy
without offset voltage, distance bottom edge of -1
the sensor to the magnetic scale: 1 mm
1
DEG
APPLICATION INFORMATION
iC-SM5L is placed vertically above a magnetic scale with an equal distribution of N/S pole pairs.
Figure 1: Placement of the iC-SM5L to a magnetic scale