HMC6042 Datasheet, PDF (2/7 Pages) Honeywell Solid State Electronics Center – 2-Axis Magnetic Sensor Circuit

HMC6042
SPECIFICATIONS
Characteristics
System
Sensitivity
Zero Field Offset
Magnetic Field Range
Power Supply
Supply Voltage
Current
Magnetic sensors
Field Range
Sensitivity
Resolution
Bridge Offset
Cross-Axis Sensitivity
Disturbing Field
Max. Exposed Field
Sensitivity Tempco
Bridge Offset Tempco
Bridge Ohmic Tempco
Linearity Error
Hysteresis Error
Repeatability Error
ASIC
Amplifier Gains
Bandwidth
Slew Rate
Gain Bainwidth
Phase Margin
Output Voltage Range
Output Current
Set/Reset Strap Driver
Reservior Cap C1
Load Road Range
2
Conditions*
Min
Typ
Max
Units
Open Loop Gain, After Set/Reset Pulses 175
275 mV/V/gauss
VDD1 = 3.0 volts
0.75
1.5
2.25
volts
Full Scale
±1
±2
gauss
VDD1, VDD2 Referenced to GND
2.4
3.0
3.6
Bridge Current = 0.9mA/volt per axis
Continuous (VDD1)
5.2
7.0
Peak (0.5msec) (VDD1 + VDD2)
25
Volts
mA
Full scale (FS) – total applied field
After Set/Reset Pulses
1 kHz bandwidth, VDD1 = 3.0 volts
Offset = (OUT+) – (OUT-)
Field = 0 gauss after Set pulse
Cross field = 0.5 gauss,
Happlied = ±3 gauss
Sensitivity starts to degrade.
Use S/R pulse to restore sensitivity.
No perming effect on zero reading
T_A= -40 to 125°C, Vbridge=5V
T_A= -40 to 125°C, No Set/Reset
T_A= -40 to 125°C, With Set/Reset
VDD1 = 3.0V, T_A = -40 to 125°C
Best fit straight line
± 1 gauss
± 3 gauss
± 6 gauss
3 sweeps across ±3 gauss
3 sweeps across ±3 gauss
-6
0.8
-1.25
1.0
0.12
±0.5
+6
gauss
1.25 mV/V/gauss
milli-gauss (RMS)
+1.25
mV/V
±0.2%
%FS/gauss
20
gauss
-3500
2100
-3100
±500
±10
2500
10000
-2000
2900
gauss
ppm/°C
ppm/°C
ppm/°C
0.17
%FS
0.42
0.80
0.15
%FS
0.11
%FS
No Feedback Connections
A_v = 250
A_v = 250
VDD1 = 3.0V
Source
Sink
225
10
0.1
1.0
45
0.15
2.85
3.6
3.6
V/V
kHz
V/µsec
MHz
deg
V
mA
Recommended Capacitor Size
Includes Internal 1042 S/R Strap
2.2
4.4
10
1.5
6
µF
ohms
www.honeywell.com