Datasheet

HMC5883L
2 www.honeywell.com
SPECIFICATIONS (* Tested at 25°C except stated otherwise.)
Characteristics
Conditions*
Min
Typ
Max
Units
Power Supply
Supply Voltage
VDD Referenced to AGND
VDDIO Referenced to DGND
2.16
1.71
2.5
1.8
3.6
VDD+0.1
Volts
Volts
Average Current Draw
Idle Mode
Measurement Mode (7.5 Hz ODR;
No measurement average, MA1:MA0 = 00)
VDD = 2.5V, VDDIO = 1.8V (Dual Supply)
VDD = VDDIO = 2.5V (Single Supply)
-
-
2
100
-
-
μA
μA
Performance
Field Range
Full scale (FS)
-8
+8
gauss
Mag Dynamic Range
3-bit gain control
±1
±8
gauss
Sensitivity (Gain)
VDD=3.0V, GN=0 to 7, 12-bit ADC
230
1370
LSb/gauss
Digital Resolution
VDD=3.0V, GN=0 to 7, 1-LSb, 12-bit ADC
0.73
4.35
milli-gauss
Noise Floor
(Field Resolution)
VDD=3.0V, GN=0, No measurement
average, Standard Deviation 100 samples
(See typical performance graphs below)
2
milli-gauss
Linearity
±2.0 gauss input range
0.1
±% FS
Hysteresis
±2.0 gauss input range
±25
ppm
Cross-Axis Sensitivity
Test Conditions: Cross field = 0.5 gauss,
Happlied = ±3 gauss
±0.2%
%FS/gauss
Output Rate (ODR)
Continuous Measurment Mode
Single Measurement Mode
0.75
75
160
Hz
Hz
Measurement Period
From receiving command to data ready
6
ms
Turn-on Time
Ready for I2C commands
Analog Circuit Ready for Measurements
200
50
μs
ms
Gain Tolerance
All gain/dynamic range settings
±5
%
I
2
C Address
8-bit read address
8-bit write address
0x3D
0x3C
hex
hex
I
2
C Rate
Controlled by I
2
C Master
400
kHz
I
2
C Hysteresis
Hysteresis of Schmitt trigger inputs on SCL
and SDA - Fall (VDDIO=1.8V)
Rise (VDDIO=1.8V)
0.2*VDDIO
0.8*VDDIO
Volts
Volts
Self Test
X & Y Axes
Z Axis
±1.16
±1.08
gauss
X & Y & Z Axes (GN=5) Positive Bias
X & Y & Z Axes (GN=5) Negative Bias
243
-575
575
-243
LSb
Sensitivity Tempco
T
A
= -40 to 125°C, Uncompensated Output
-0.3
%/°C
General
ESD Voltage
Human Body Model (all pins)
Charged Device Model (all pins)
2000
750
Volts
Operating Temperature
Ambient
-30
85
°C
Storage Temperature
Ambient, unbiased
-40
125
°C