KMZ41_10 datasheet(4/10 Pages) NXP

Numer części	KMZ41

Szczegółowy opis	Magnetic field sensor Accurate and reliable angle measurement

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KMZ41

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Product data sheet

Rev. 6 — 18 November 2010

4 of 10

NXP Semiconductors

KMZ41

Magnetic field sensor

7.

Characteristics

[1]

Applicable for bridge 1 and bridge 2.

[2]

[3]

Bridge resistance between pin 4 and pin 8, pin 3 and pin 7, pin 5 and pin 1, pin 6 and pin 2.

[4]

[5]

[6]

[7]

[8]

[9]

Δα = |α

real −αmeas|; Voffset = 0 V; inaccuracy of angular measurement due to deviation from ideal sinusoidal characteristics, calculated

from the third and fifth harmonics of the spectrum of VO.

Table 6.

Characteristics

Tamb =25 °C and Hext = 100 kA/m, VCC = 5 V unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VCC

supply voltage

[1] -5

9

V

Vpeak

peak voltage

see Figure 2

[1] 73

81

89

mV

TCVpeak

temperature coefficient of peak

voltage

Tamb = −40 °C to +150 °C

[1][2]

−0.38

−0.41

−0.44

%/K

Rbridge

bridge resistance

[1][3] 2.0

2.5

3.0

k

Ω

TCRbridge

temperature coefficient of

bridge resistance

Tamb = −40 °C to +150 °C

[1][4] 0.31

0.33

0.35

%/K

Voffset

offset voltage

per supply voltage;

see Figure 2

[1]

−2-

+2

mV/V

TCVoffset

temperature coefficient of

offset voltage

per supply voltage;

Tamb = −40 °C to +150 °C;

see Figure 2

[1][5]

−2-

+2

(

μV/V)/K

FH

hysteresis of output voltage

see Figure 3

[1][6] 0

0.010.04%FS

k

amplitude synchronism

[7] 99

100

101

%

TCk

temperature coefficient of

amplitude synchronism

Tamb = −40 °C to +150 °C

[8]

−0.005

0

+0.005

%/K

Δα

angular inaccuracy

[9] 0

0.1

0.25

deg

TCV

peak

100

V

peak at 150 °C

() V

peak at

40

–

°C

()

–

V

peak at 25 °C

()

150

°C40

–

°C

()

–

()

×

---------------------------------------------------------------------------------------------------

×

=

TCR

bridge

100

R

bridge at 150 °C

() R

bridge at

40

–

°C

()

–

R

bridge at 25 °C

()

150

°C40

–

°C

()

–

()

×

-------------------------------------------------------------------------------------------------------

×

=

TCV

offset

V

offset at 150 °C

() V

offset at

40

–

°C

()

–

150

°C40

–

°C

()

–

--------------------------------------------------------------------------------------------------

=

FH

1

100

V

O1 67.5°

()135°

45

→° V

O1 67.5°

()45°

135

→°

–

2V

peak1

×

---------------------------------------------------------------------------------------------------------------------------

×

=

FH

2

100

V

O2 22.5°

()90°

0

→° V

O2 22.5°

()0°

90

→°

–

2V

peak2

×

---------------------------------------------------------------------------------------------------------------

×

=

k

100

V

peak1

V

peak2

----------------

×

=

TCk

100

kat 150

°C

() kat 40

–

°C

()

–

kat 25

°C

()

150

°C40

–

°C

()

–

()

×

----------------------------------------------------------------------------------------

×

=

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