Datasheet

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