HMC1051/HMC1052/HMC1053
SPECIFICATIONS
Characteristics
Conditions*
Min
Typ
Max
Units
Bridge Elements
Supply
Vbridge referenced to GND
Bridge current = 10mA
Ambient
1.8
800
-40
-55
3.0
20
1500
125
150
85
Volts
ohms
°C
Resistance
1000
Operating Temperature
Storage Temperature
Humidity
Ambient, unbiased
°C
Tested at 85°C
%
Field Range
Full scale (FS) – total applied field
-6
+6
gauss
Linearity Error
Best fit straight line
± 1 gauss
0.1
0.5
1.8
%FS
± 3 gauss
± 6 gauss
Hysteresis Error
Repeatability Error
Bridge Offset
3 sweeps across ±3 gauss
3 sweeps across ±3 gauss
0.06
0.1
%FS
%FS
mV/V
Offset = (OUT+) – (OUT-)
Field = 0 gauss after Set pulse
-1.25
0.8
± 0.5
+1.25
1.2
Sensitivity
Set/Reset Current = 0.5A
@ 1kHz, Vbridge=5V
1.0
50
120
5
mV/V/gauss
nV/sqrt Hz
µgauss
Noise Density
Resolution
50Hz Bandwidth, Vbridge=5V
Magnetic signal (lower limit = DC)
Bandwidth
MHz
Disturbing Field
Sensitivity starts to degrade.
20
gauss
Use S/R pulse to restore sensitivity.
Sensitivity Tempco
TA= -40 to 125°C, Vbridge=5V
TA= -40 to 125°C, Ibridge=5mA
-3000
-2700
-600
-2400
ppm/°C
ppm/°C
Bridge Offset Tempco
TA= -40 to 125°C, No Set/Reset
TA= -40 to 125°C, With Set/Reset
± 500
± 10
Bridge Ohmic Tempco
Cross-Axis Effect
Max. Exposed
Field
Vbridge=5V, TA= -40 to 125°C
Cross field = 1 gauss, Happlied = ±1 gauss
No perming effect on zero reading
2100
95
2500
± 3
2900
10000
105
ppm/°C
%FS
gauss
Sensitivity Ratio of
X,Y Sensors
TA= -40 to 125°C
(HMC1052 Only)
100
%
X,Y sensor
Sensitive direction in X and Y sensors
(HMC1052)
0.01
degree
Orthogonality
Set/Reset Strap
Resistance
Measured from S/R+ to S/R-
0.1% duty cycle, or less, 2µsec current pulse
TA= -40 to 125°C
3
4.5
0.5
6
4
ohms
Amp
Current
0.4
Resistance Tempco
3300
3700
4100
ppm/°C
Offset Straps
Resistance
Offset
Measured from OFFSET+ to OFFSET-
DC Current
12
15
10
18
ohms
mA/gauss
Constant
Field applied in sensitive direction
TA= -40 to 125°C
Resistance Tempco
3500
3900
4300
ppm/°C
* Tested at 25°C except stated otherwise.
2
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