4. Absolute Maximum Ratings

Parameters

Symbol

Min.

Max.

Unit

Supply Voltage

VCC

-

12

V

ESD Performance (HBM)

VESD

-

4

kV

Operating Ambient Temperature

TA

-55

150

°C

Storage Ambient Temperature

TSTG

-55

175

°C

Soldering Temperature

Ti

-

260

°C

Magnetic Field

B

-

10000

Gs

5. Electrical Specifications

VCC = 5.0 V, TA = 25 °C, IS/R = 1.5 A, dual differential output unless otherwise specified

Parameter

Symbol

Condition

Min.

Typ.

Max.

Unit

Supply Voltage

VCC

Bridge voltage, referenced to ground

1.8

5

12

V

Bridge Resistance

RB

I = 5 mA

600

650

1100

Ω

Field Range

BSAT

Full scale (FS)

-6

-

6

Gs

Linearity Error

NONL

Fit in: ±1 Gs

-

0.05

-

%FS

Fit in: ±3 Gs

-

0.15

-

Fit in: ±6 Gs

-

1.0

1.6

Hysteresis Error

HYS

2 sweeps, across ±6 Gs

-

0.05

-

%FS

Repeatability Error

Brepeat

2 sweeps, across ±6 Gs

-

0.08

-

%FS

Bridge Offset

VOFFSET

VOFFSET = (VOUT+) - ( VOUT -),

B = 0 Gs, after set pulse

-10

±2

+10

mV/V

Sensitivity

SEN

-

0.6

0.9

1.1

mV/V/Gs

Voltage Noise Density

Vnoise

At 1 Hz

-

25

-

nV/√Hz

Magnetic Noise Density

Bnoise

At 1 Hz

-

300

-

pT/√Hz

Resolution

RES

Bandwidth = 10 Hz

-

40

-

μGs

Bandwidth

BW

Magnetic signal (lower limit = DC)

-

5

-

MHz

Offset Coil Resistance

ROFFCOIL

Measured from OFFSET+ to OFFSET-

35

45

55

Ω

Offset Field

BOFFCOIL

Field applied in sensitive direction

4.0

5.0

7.0

mA/Gs

Set/Reset Coil Resistance

RS/R

Measured between S/R+ and S/R-

3

5

7

Ω

Set/Reset Current

IS/R

2 μs current pulse

1

1.5

5

A

Disturbing Field

Bdisturb

Sensitivity starts to degrade,

restore by S/R pulse

-

20

-

Gs

Sensitivity

Temperature Coefficient

TCS

TA= -40 °C to 125 °C

-

-3800

-

PPM/°C

Bridge Offset

Temperature Coefficient

TCO

TA= -40 °C to 125 °C, w/o set/reset

-

500

-

PPM/°C

TA= -40 °C to 125 °C, w/ set/reset

-

10

-

Resistance

Temperature Coefficient

TCR

TA= -40 °C to 125 °C

-

2700

-

PPM/°C

Cross-Axis Effect

XB

Cross field = 1 Gs

-

±0.5

-

%FS

04

High Accuracy, Low Noise

Dual Axis Linear Magnetic Sensor

MultiDimension Technology Co., Ltd.

http://www.dowaytech.com/en/

AMR2302