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MEMSIC

MXC62356Q Datasheet Preview

MXC62356Q Datasheet

Ultra High Performance Dual Axis Accelerometer

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Ultra High Performance
±1.5 g Dual Axis Accelerometer with
I2C Interface
MXC6235xQ
FEATURES
RoHS compliant
I2C Slave, FAST (400 KHz) mode interface
1.8V compatible I/O
Ultra Low Noise and initial offset
Embedded Power up/down function
On-chip temperature sensor available
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
Security – Gas Line, Elevator, Fatigue Sensing
TEMP
Internal
Oscillator
VDD
VREF
CLK CLK
COM
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
CLK
Temp
Comp.
A/D
CLKTEMP CLK
GND
CLK
No
Connect
No
Connect
SCL
SDA
MXC6235xQ FUNCTIONAL BLOCK DIAGRAM
Gaming – Joystick, RF Interface, Menu Selection,
Tilt Sensing
GPS Electronic Compass Tilt Correction, Dead Reckoning
Consumer – LCD Projectors, Pedometers, Blood Pressure
Monitor, Digital Cameras
Information Appliances – Computer Peripherals, PDA’s,
Mouse Smart Pens, Cell Phones
GENERAL DESCRIPTION
The MXC6235xQ is a low cost, dual axis accelerometer
fabricated on a standard, submicron CMOS process. It is a
complete sensing system with on-chip mixed signal
processing. The MXC6235xQ measures acceleration with
a full-scale range of ±1.5 g and a sensitivity of 512counts/g
at @3.0 V at 25°C. It can measure both dynamic
acceleration (e.g. vibration) and static acceleration (e.g.
gravity). The MXC6235xQ design is based on heat
convection and requires no solid proof mass.
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 MXC6235xQ provides I2C digital output with 400
KHz. fast mode operation.
The typical noise floor is 0.13 mg/ Hz allowing signals
below 0.5mg to be resolved at 1 Hz bandwidth.
The MXC6235xQ 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 (MXC6235xQB) or -20°C to +105°C
(MXC6235xQP)
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 MXC6235xQ Rev.C
Page 1 of 9
11/30/2010




MEMSIC

MXC62356Q Datasheet Preview

MXC62356Q Datasheet

Ultra High Performance Dual Axis Accelerometer

No Preview Available !

ELECTRICAL CHARACTERISTICS (Measurements @ 25°C, Acceleration = 0 g unless otherwise noted; VDD = 3.0V unless
otherwise specified)
Parameter
Measurement Range1
Nonlinearity
Alignment Error2
Transverse Sensitivity3
Sensitivity
Sensitivity Change Over Temperature
Zero g Offset Bias Level
Conditions
Each Axis
Best fit straight line
Δ from 25°C at -20°C
Δ from 25°C at -40°C
Δ from 25°C at 105°C
Zero g Offset TC
Tout
Tout Sensitivity
Noise Density, RMS
Δ from 25°C
Resolution
@ 1Hz. BW
Frequency Response
Output Drive Capability
Turn-On Time4
Operating Voltage Range
Supply Current
@ -3dB
@ 2.7 V – 3.6 V
Power Down Current
Operating Temperature Range
MXC6235xQB
MXC6235xQP
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
-60
-0.05
2022
3195
0.18
6
2.7
-40
-20
Typ
0.5
±1.0
±2.0
512
0.0
2048
0.1
3375
0.22
0.15
0.2
8
150
3.0
1.8
Max
1.0
538
+80
+160
+0.05
2074
0.5
3555
0.26
0.5
10
100
200
3.6
1.0
+105
+105
Units
G
% of FS
degrees
%
counts/g
%
g
counts
mg/°C
counts
°C/count
mg/ Hz
mg
Hz
μA
mS
V
mA
μA
°C
°C
MEMSIC MXC6235xQ Rev.C
Page 2 of 9
11/30/2010


Part Number MXC62356Q
Description Ultra High Performance Dual Axis Accelerometer
Maker MEMSIC
Total Page 9 Pages
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