HMC5843 Honeywell Microelectronics & Precision Sensors, HMC5843 Datasheet - Page 2

• Manufacturer Part Number: HMC5843
• Description: Magnetic Sensor
• Manufacturer: Honeywell Microelectronics & Precision Sensors

Specifications of HMC5843

• Msl: MSL 3 - 168 Hours
• Sensitivity Range: +/- 10 %
• Sensor Terminals: PCB
• Magnetic Field Max: 4G
• Axis Configuration: Three
• Sensor Output: Digital

HMC5843
SPECIFICATIONS
Characteristics
Power Supply
Magnetic Sensors
ASIC Digital
Mux/Amplifier Section
ADC Section
General
* Tested at 25°C except stated otherwise.
2
Weight
Supply Voltage
Current Draw
Field Range
Cross-Axis Sensitivity
Disturbing Field
Max. Exposed Field
Measurement Period
I
I
I
I
Mag Dynamic Range
Linearity
Output Noise
Gain Tolerance
Bandwidth
Resolution
Signal-to Noise Ratio
ESD Voltage
Operating Temperature
Storage Temperature
2
2
2
2
C Address
C Rate
C bus pull-up
C Hysteresis
Hysteresis of Schmitt trigger inputs on SCL
ASIC and Sensors – Measurement Mode
ASIC Only – Sleep Mode (dual supplies)
ASIC Only – Idle Mode (dual supplies)
(dual supplies, default register modes)
AVDD = 3.3 volts, DVDD = 1.98 volts
Use S/R pulse to restore sensitivity.
No perming effect on zero reading
Full scale (FS) – total applied field
Output Rate = 50Hz (10Hz typ.)
All gain/dynamic range settings
100 sample standard deviation
and SDA - Fall (DVDD=1.8V)
DVDD Referenced to DGND
Sensitivity starts to degrade.
AVDD Referenced to AGND
Internal passive resistors
Controlled by I
Cross field = 0.5 gauss,
Full scale input range
Happlied = ±3 gauss
Rise (DVDD=1.8V)
8-bit read address
8-bit write address
Ambient, unbiased
3-bit gain control
3-bit gain control
7-bit address
Conditions*
-3dB point
Ambient
Nominal
2
C Master
1.62
±0.7
Min
2.4
-10
-30
-40
70
-4
-
-
-
±0.2%
0.603
1.108
0x1E
0x3D
0x3C
±1.0
TBD
TBD
Typ
180
3.0
50
±5
10
2
2
-
10000
Max
1.98
TBD
+10
700
125
3.3
0.1
+4
20
10
±4
85
-
-
-
www.honeywell.com
%FS/gauss
milli-grams
kilo-ohms
±% FS
gauss
gauss
gauss
gauss
Units
msec
Volts
Volts
Volts
Volts
gauss
hex
hex
hex
kHz
mA
uA
uA
Bit
dB
°C
°C
%
%
V