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

Conditions

Unit

No.

Min.

Typ.

Max.

Total Device

001

VB

Permissible Supply Voltage VSIN,

VCOS

VB = VSIN = 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

and cosine bridge)

VSIN connected to VCOS, Tj = 25 °C

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-

netic scale: 0 ... 2.5 mm

-5

5

%

010

AAabs

Absolute Angle Accuracy

without offset voltage, distance bottom edge of

the sensor to the magnetic scale: 1 mm

-1

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