KMT32B

Magnetic Angle Sensor

1/2016

Page 3

Output signal amplitude

mV/V

Offset voltage

mV/V

Angular inaccuracy



deg



MAX|



0

-



|

; max. angular difference between actual field

angle



0

and measured angle



due to deviations from ideal

sinusoidal characteristics, calculated from the third and fifth

harmonics of the Fourier spectrum; offset voltage error

contributions not included

Angular hysteresis



H

deg



H

= |



left turn

-



right turn

|

angular difference between left and right turn

MEASUREMENT CONDITIONS

Parameter

Symbol

Unit

Condition

Condition C: Sensor Specifications (-25°C, +125°C)

Ambient temperatures

T

°C

TC of amplitude

TCSV

%/K

%

100

)

(

)

(

)

(

)

(

1

1

1

2

1

2

















T

Vcc

Vn

T

Vcc

Vn

T

Vcc

Vn

T

T

TCV

TC of resistance

TCBR

%/K

%

100

)

(

)

(

)

(

)

(

1

1

1

2

1

2











T

R

T

R

T

R

T

T

TCR

TC of offset

TCVoff

(µV/V)/

K

)

(

)

(

)

(

1

2

1

2

T

T

T

Voff

T

Voff

TCVoff







BLOCK DIAGRAM

Figure 1

:

Circuit Diagram