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HMC5843

更新时间: 2024-02-29 03:11:10
品牌 Logo 应用领域
霍尼韦尔 - HONEYWELL 电子
页数 文件大小 规格书
19页 611K
描述
3-Axis Digital Compass IC

HMC5843 数据手册

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

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