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MXC62327F Datasheet Preview

MXC62327F Datasheet

Dual Axis Accelerometer

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MXC62327F pdf
Low Power, Low Profile
±1.5 g Dual Axis Accelerometer with
I2C Interface
MXC6232xE/F
FEATURES
RoHS compliant
I2C Slave, FAST (400 KHz.) mode interface
1.8V compatible I/O
Embedded Power up/down and self-test function
On-chip temperature sensor
Eight, customer defined 7-bit addresses
2.7 V to 3.6 V single supply continuous operation
Monolithic CMOS IC
Low power consumption: typically <2 mA @ 3.0 V
Resolution better than 1 mg
On chip mixed signal processing
>50,000 g shock survival rating
Low profile LCC package: 5mm X 5mm X 1.55mm
APPLICATIONS
Information Appliances – Cell Phones, PDA’s, Computer
Peripherals, Mouse, Smart Pens
Consumer – LCD Projectors, Pedometers, Blood Pressure
Monitor, Digital Cameras
Gaming – Joystick/RF Interface/Menu Selection/Tilt
Sensing
GPS Electronic Compass Tilt Correction, Dead
Reckoning Assist
GENERAL DESCRIPTION
The MXC6232xE/F is low cost, dual axis accelerometers
fabricated on a standard, submicron CMOS process. It is a
complete sensing system with on-chip mixed 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. The
MXC6232xE/F measures acceleration with a full-scale
range of ±1.5 g and a sensitivity of 512counts/g (E) or
128counts/g (F) @3.0 V at 25°C. It can measure both
dynamic acceleration (e.g. vibration) and static
acceleration (e.g. gravity). The MXC6232xE/F design is
based on heat convection and requires no solid proof mass.
TEMP
VDD
TP
Internal
Oscillator
VREF
CLK CLK
PD
Heater
Control
Coarse Fine Gain
Gain Adj. Adj.
Temperature
Sensor
TEMP
X aixs
Temp
Comp.
A/D
CLK CLK TEMP CLK
Coarse Fine Gain
Gain Adj. Adj.
IIC Convertor
Y aixs
Acceleration
Sensor
Temp
Comp.
A/D
CLK CLKTEMP CLK
GND
CLK
No
Connection
No
Connection
SCL
SDA
MXC6232xE/F FUNCTIONAL BLOCK DIAGRAM
The MXC6232xE/F is packaged in a hermetically sealed,
low profile LCC surface mount package (5 mm x 5 mm x
1.55 mm) and is available in operating temperature ranges
of -40°C to +105°C.
This design eliminates the stiction problems associated
with legacy technologies and provides shock survival
greater than 50,000g’s. Memsic’s solid state design leads
to significantly lower failure rates in customer applications
and lower loss due to handling during manufacturing and
assembly processes
The MXC6232xE/F provides I2C digital output with 400
KHz, fast mode operation.
The maximum noise floor is 1mg/ Hz allowing signals
below 1mg to be resolved at 1 Hz bandwidth
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 MXC6232xE/F Rev.A
Page 1 of 9
4/11/2010



MEMSIC
MEMSIC

MXC62327F Datasheet Preview

MXC62327F Datasheet

Dual Axis Accelerometer

No Preview Available !

MXC62327F pdf
ELECTRICAL CHARACTERISTICS (Measurements @ 25°C, Acceleration = 0 g unless otherwise noted; VDD = 3.0V unless
otherwise specified)
Parameter
Conditions
Measurement Range1
Each Axis
Nonlinearity
Alignment Error2
Transverse Sensitivity3
Best fit straight line
Sensitivity
MXC6232xE
MXC6232xF
Sensitivity Change Over Temperature from 25°C at -40°C
from 25°C at +105°C
Zero g Offset Bias Level
MXC6232xE
MXC6232xF
Zero g Offset TC
from 25°C
Tout MXC6232xE
MXC6232xF
Tout Sensitivity
MXC6232xE
MXC6232xF
Noise Density, RMS
Resolution
@ 1Hz. BW
Frequency Response
Self-test
Output Drive Capability
Turn-On Time4
Operating Voltage Range
Supply Current
@ -3dB
@ 2.7 V – 3.6 V
Power Down Current
Operating Temperature Range
NOTES:
1 Guaranteed by measurement of initial offset and sensitivity
2 Alignment error is specified as the angle between the true and indicated axis
of sensitivity
3 Cross axis sensitivity is the algebraic sum of the alignment and the inherent
sensitivity errors
4 Output settled to within ± 17mg
Min
±1.5
486
118
-60
1996
492
3195
0.196
0.753
15
2.7
-40
Typ
0.5
±1.0
±2.0
512
128
2048
512
0.4
3375
840
0.217
0.833
0.5
0.5
17
1.0
75
3.0
1.8
Max
1.0
538
138
155
Units
g
% of FS
degrees
%
counts/g
counts/g
%
2100
532
3555
0.244
0.936
1.0
19
100
100
3.6
2.5
1.0
+105
counts
counts
mg/°C
counts
counts
°C/count
°C/count
mg/ Hz
mg
Hz
G
µA
mS
V
mA
µA
°C
MEMSIC MXC6232xE/F Rev.A
Page 2 of 9
4/11/2010


Part Number MXC62327F
Description Dual Axis Accelerometer
Maker MEMSIC
Total Page 9 Pages
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