HMC1001/1002/1021/1022
HMC1021/1022 SPECIFICATIONS
Characteristics
Bridge Elements
Supply
Resistance
Operating Temperature
Storage Temperature
Field Range
Linearity Error
Vbridge (Vb) referenced to GND
Bridge current = 10mA
per bridge
Ambient
Ambient, unbiased
Full scale (FS) – total applied field
Best fit straight line
± 1 gauss
± 3 gauss
± 6 gauss
3 sweeps across ±2 gauss
3 sweeps across ±2 gauss
Offset = (OUT+) – (OUT-)
Field = 0 gauss after Set pulse, Vb = 5V
Set/Reset Current = 0.5A
@ 1Hz, Vb=5V
10Hz Bandwidth, Vb=5V
Magnetic signal (lower limit = DC)
Sensitivity starts to degrade.
Use S/R pulse to restore sensitivity.
T
A
= -40 to 125°C, Vb=5V
T
A
= -40 to 125°C, Ibridge=5mA
T
A
= -40 to 125°C, No Set/Reset
T
A
= -40 to 125°C, With Set/Reset
T
A
= -40 to 125°C
Cross field = 1 gauss, Happlied = ±1 gauss
No perming effect on zero reading
20
-0.32
-0.30
-0.06
±0.05
±0.001
0.25
+0.3
10000
-0.28
-10
0.8
2
800
-55
-55
-6
0.05
0.4
1.6
0.08
0.08
±2.5
1.0
48
85
5
+11.25
1.25
5.0
1100
25
1300
150
175
+6
Volts
ohms
°C
°C
gauss
%FS
Conditions*
Min
Typ
Max
Units
Hysteresis Error
Repeatability Error
Bridge Offset
Sensitivity
Noise Density
Resolution
Bandwidth
Disturbing Field
Sensitivity Tempco
Bridge Offset Tempco
Bridge Ohmic Tempco
Cross-Axis Effect
Max. Exposed Field
Set/Reset Straps
Resistance
Current
Resistance Tempco
Offset Straps
Resistance
Offset Constant
%FS
%FS
mV
mV/V/gauss
nV/sqrt Hz
µgauss
MHz
gauss
%/°C
%/°C
%/°C
%FS
gauss
Measured from S/R+ to S/R-
0.1% duty cycle, or less, 2µsec current pulse
T
A
= -40 to 125°C
5.5
0.5
7.7
0.5
0.37
9
4.0
ohms
Amp
%/°C
Measured from OFF+ to OFF-
DC Current
Field applied in sensitive direction
38
4.0
50
4.6
0.39
60
6.0
ohms
mA/gauss
%/°C
Resistance Tempco
T
A
= -40 to 125°C
* Tested at 25°C except stated otherwise.
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