XtremeSense™ 2D TMR Angle Sensor

CT310

7

Allegro MicroSystems

955 Perimeter Road

Manchester, NH 03103-3353 U.S.A.

www.allegromicro.com

ELECTRICAL CHARACTERISTICS

VDD = 3.0 V and TA = 25°C (unless otherwise specified)

Figure 9: Voltage Offset (mV/V) over Field and Temp

Figure 8: Output Voltage vs. Angle at B = 250 G

Figure 10: Differential Output Voltage (V/V)

over Field and Temp

Figure 11: Amplitude Synchronism (V/V)

over Field and Temperature

Figure 12: Orthogonality Error over Field and Temp

Figure 13: Angle Error After Compensation (25°C, 250 G)

over Field and Temp

Figures 8-12 show typical (mean, μ) performance over temperature and field to convey general performance trends for the identified

specifications.

-1.5

-1.0

-0.5

0.0

0.5

1.0

1.5

250

450

650

850

1050

Field Stength [G]

µ, -40°C

µ, 25°C

µ, 125°C

-0.8

-0.6

-0.4

-0.2

0.0

0.2

0.4

0.6

0.8

0

60

120

180

240

300

360

Angle [°]

SINE

COSINE

0.30

0.35

0.40

0.45

0.50

0.55

0.60

250

450

650

850

1050

Field Stength [G]

µ, -40°C

µ, 25°C

µ, 125°C

0.97

0.98

0.99

1.00

1.01

1.02

1.03

250

450

650

850

1050

Field Stength [G]

µ, -40°C

µ, 25°C

µ, 125°C

-0.6

-0.4

-0.2

0.0

0.2

0.4

0.6

250

450

650

850

1050

Field Stength [G]

µ, -40°C

µ, 25°C

µ, 125°C

0.0

0.2

0.4

0.6

0.8

1.0

250

450

650

850

1050

Field Stength [G]

µ, -40°C

µ, 25°C

µ, 125°C