HMC5843 Datasheet, PDF (2/19 Pages) Honeywell Solid State Electronics Center – 3-Axis Digital Compass IC

HMC5843
SPECIFICATIONS (* Tested at 25°C except stated otherwise.)
Characteristics
Conditions*
Min
Power Supply
Supply Voltage
Current Draw
Performance
Field Range
AVDD Referenced to AGND
2.5
DVDD Referenced to DGND
1.6
Sleep Mode (dual supplies)
-
Idle Mode (dual supplies)
-
Measurement Mode
-
AVDD = 2.5 volts, DVDD = 1.8 volts
Sleep Mode (single supply)
-
Idle Mode (single supply)
-
Measurement Mode
-
AVDD = 2.5 volts
Full scale (FS) – total applied field
-4
Cross-Axis Sensitivity
Disturbing Field
Cross field = 0.5 gauss,
Happlied = ±3 gauss
Sensitivity starts to degrade.
Use S/R pulse to restore sensitivity.
Max. Exposed Field
Measurement Period
I²C Address
I²C Rate
I²C bus pull-up
I²C Hysteresis
Self Test
No perming effect on zero reading
Output Rate = 50Hz (10Hz typ.)
7-bit address
8-bit read address
8-bit write address
Controlled by I²C Master
-10
Internal passive resistors
Hysteresis of Schmitt trigger inputs on SCL
and SDA - Fall (DVDD=1.8V)
Rise (DVDD=1.8V)
Positive and Negative Bias Mode
Mag Dynamic Range
Linearity
Gain Tolerance
3-bit gain control
±0.7
Full scale input range
All gain/dynamic range settings
Bandwidth
Resolution
Signal-to Noise Ratio
-3dB point
AVDD=3.0V, GN
70
Turn-on Time
General
ESD Voltage
Operating Temperature
Ambient
-30
Storage Temperature
Ambient, unbiased
-40
Weight
Nominal
Typ
Max
3.3
1.8
2.0
2.5
-
240
-
0.8
-
110
-
340
-
0.9
-
Units
Volts
Volts
uA
uA
mA
uA
uA
mA
+4
gauss
±0.2%
%FS/gauss
20
gauss
-
0x1E
0x3D
0x3C
50
10000
10
+10
gauss
msec
hex
hex
hex
%
kilo-ohms
0.603
1.108
±0.55
±1.0
±4.0
0.1
±5
10
7
200
Volts
Volts
gauss
gauss
±% FS
%
kHz
milli-gauss
dB
us
700
V
85
°C
125
°C
50
milli-grams
2
www.honeywell.com