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MEMSIC

MMC3283MA Datasheet Preview

MMC3283MA Datasheet

Ultra Small 3-axis Magnetic Sensor

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Ultra Small 3-axis Magnetic
Sensor, With I2C Interface
FEATURES
Full integration of 3-axis magnetic sensors
and electronics circuits resulting in less
external components needed
Flexible output resolution available, up to
14bits
Small Low profile package
2.0x2.0x1.2mm
Low power consumption
Power up/down function available through
I2C interface
With continuous operation mode,
frequency selectable
I2C Slave, FAST (400 KHz) mode
1.8V compatible IO
1.62V~3.6V wide power supply operation
supported, 1.8V typical operation.
RoHS compliant
APPLICATIONS :
Electronic Compass
GPS Navigation
Position Sensing
Magnetometry
MMC328xMA
X-axis
Sensor
Y-axis
Sensor
Signal Path X
Signal Path Y
Z-axis
Sensor
Bridge
Regulator
Signal Path Z
Bandgap
Reference
ADC Reference
Generator
Timing Generation
I2C Interface
Magnetize Controller
Fuses, Control Logic,
Factory Interface
FUNCTIONAL BLOCK DIAGRAM
DESCRIPTIONS :
The MMC328xMA is a 3-axis magnetic sensor, it is a
complete sensing system with on-chip signal
processing and integrated I2C bus, allowing the device
to be connected directly to a microprocessor
eliminating the need for A/D converters or timing
resources. It can measure magnetic field with a full
range of ±8 gausses.
The MMC328xMA is packaged in an ultra small low
profile BGA package (2.0 x 2.0 x 1.2 mm, including
the 0.2mm height solder ball) and is available in
operating temperature ranges of -40°C to +85°C.
The MMC328xMA provides an I2C digital output with
400 KHz, fast mode operation.
Information furnished by MEMSIC is believed to be accurate and reliable.
However, no responsibility is assumed by MEMSIC for its use, or for any
infringements of patents or other rights of third parties which may result from
its use. No license is granted by implication or otherwise under any patent or
patent rights of MEMSIC.
©MEMSIC, Inc.
One Technology Drive, Suite 325, Andover, MA01810, USA
Tel: +1 978 738 0900
Fax: +1 978 738 0196
www.memsic.com
MEMSIC MMC328xMA Rev.D
Page 1 of 13
04/30/2013




MEMSIC

MMC3283MA Datasheet Preview

MMC3283MA Datasheet

Ultra Small 3-axis Magnetic Sensor

No Preview Available !

SPECIFICATION: (Measurements @ 25°C, unless otherwise noted; VDA = VDD= 1.8V unless otherwise specified)
Parameter
Conditions
Field Range
(Each Axis)
Supply Voltage
Supply Current
Power Down Current
Operating Temperature
Storage Temperature
Linearity Error
(Best fit straight line)
Hysteresis
Repeatability Error
Alignment Error
Transverse Sensitivity
Total RMS Noise2
Bandwidth
Sensitivity
Sensitivity Change Over
Temperature
Null Field Output
Null Field Output Change Over
Temperature3
Disturbing Field
Maximum Exposed Field
Total applied field
VDA
VDD (I2C interface)
50 measurements/second
±1 gauss
±4 gauss
+4~+8guass
-4~-8guass
3 sweeps across ±4 gauss
3 sweeps across ±8 gauss
3 sweeps across ±4 gauss
3 sweeps across ±8 gauss
1~25Hz, RMS
±4 gauss
±8 gauss
±4 gauss
±8 gauss
-40~85°C
±8 gauss
±8 gauss
Delta from 25°C
±8 gauss
Min
1.621
1.621
0.4
0.01
-40
-55
-10
-20
461
410
-0.2
3994
15
Typ
±8
1.8
1.8
0.7
0.1
1.0
5.0
0.1
0.5
0.1
0.5
±1.0
±2.0
1.0
25
512
512
±1100
4096
±0.4
Max
Units
gauss
3.6 V
3.6 V
1.2 mA
1.0 µA
85 °C
125 °C
%FS
%FS
%FS
%FS
%FS
%FS
%FS
±3.0
degrees
±5.0
%
mgauss
Hz
+10 %
+20 %
563 counts/gauss
624 counts/gauss
ppm/°C
+0.2
4198
gauss
counts
mgauss/°C
10000
gauss
gauss
Note: 1. 1.62V is the minimum operation voltage, or VDA / VDD should not be lower than 1.62V.
2. At this noise level, the typical heading error contribution is 0.8degree, and maximum is 2degree.
3. It can be significantly improved when using MEMSIC’s proprietary software or algorithm.
MEMSIC MMC328xMA Rev.D
Page 2 of 13
3/2/2012


Part Number MMC3283MA
Description Ultra Small 3-axis Magnetic Sensor
Maker MEMSIC
Total Page 13 Pages
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