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MXR6500M Datasheet Preview

MXR6500M Datasheet

Dual Axis Accelerometer

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MXR6500M pdf
Low Profile, Low Power
±1.7g Dual Axis Accelerometer with
Ratiometric Outputs
MXR6500G/M
FEATURES
Low power consumption: typically 2.0mA @ 3.0V
RoHS compliant
Resolution better than 1 mg
Dual axis accelerometer fabricated on a monolithic
CMOS IC
On chip mixed signal processing
No moving parts; No loose particle issues
>50,000 g shock survival rating
Low profile LCC package: 5mm X 5mm X 1.55mm
2.7V to 3.6V single supply continuous operation
No adjustment needed outside
APPLICATIONS
Automotive – Vehicle Security/Active Suspension/ABS
Headlight Angle Control/Tilt Sensing
Security – Gas Line/Elevator/Fatigue Sensing
Office Equipment – Computer Peripherals/PDA’s/Cell Phones
Gaming – Joystick/RF Interface/Menu Selection/Tilt Sensing
White Goods – Spin/Vibration Control
TEMP
VDD
Internal
TP Oscillator
VREF
CLK CLK
PD
Heater
Control
Coarse Fine Gain
Gain Adj. Adj.
Temperature
Sensor
TEMP
Vref
No
Connection
X aixs
Temp
Comp.
A/D
D/A
Low Pass
Filter
Buf.
CLK CLK TEMP CLK
Coarse Fine Gain
Gain Adj. Adj.
CLK
Vref
CLK
Xout
No
Connection
Y aixs
Acceleration
Sensor
Temp
Comp.
A/D
D/A
Low Pass
Filter
Buf.
CLK CLKTEMP CLK CLK CLK
GND
Yout
MXR6500G/M FUNCTIONAL BLOCK DIAGRAM
GENERAL DESCRIPTION
The MXR6500G/M is an low noise and low profile, dual
axis accelerometer fabricated on a standard, submicron
CMOS process. It is a complete sensing system with
on-chip mixed mode signal processing. The MXR6500G/M
measures acceleration with a full-scale range of ±1.7 g and
a sensitivity of 500mV/g @3V at 25°C. It can measure both
dynamic acceleration (e.g., vibration) and static
acceleration (e.g., gravity). The MXR6500G/M design is
based on heat convection and requires no solid proof mass.
This eliminates stiction and particle problems associated
with competitive devices and provides shock survival up to
50,000 g, leading to significantly lower failure rates and
lower loss due to handling during assembly.
The MXR6500G/M provides two ratiometric analog
outputs.
The maximum noise floor is 1 mg/ Hz allowing signals
below 1mg to be resolved at 1 Hz bandwidth. The
MXR6500G/M is available in a hermetically sealed low
profile LCC surface mount package (5mm x 5mm x
1.55mm). It is operational over a -40°C to 85°C (M) and 0°C to
70°C (G) temperature range.
Information furnished by MEMSIC is believed to be accurate and reliable.
However, no responsibility is assumed by MEMSIC for its use, nor 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.
800 Turn pike Street, Suite 202, North Andover, MA01845, USA
Tel: +1 978 738 0900
Fax: +1 978 738 0196
www.memsic.com
MEMSIC MXR6500G/M Rev.C
Page 1 of 6
2/26/2007



MEMSIC
MEMSIC

MXR6500M Datasheet Preview

MXR6500M Datasheet

Dual Axis Accelerometer

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MXR6500M pdf
MXR6500G/M SPECIFICATIONS (Measurements @ 25°C, Acceleration = 0 g unless otherwise noted; VDD = 3.0V
unless otherwise specified)
Parameter
Conditions
MXR6500G
Min Typ
SENSOR INPUT
Measurement Range1
Each Axis
Nonlinearity
Alignment Error2
Transverse Sensitivity3
Best fit straight line
SENSITIVITY
Each Axis
Sensitivity, Analog Outputs at
output pins
Change over Temperature
(compensated)
from 25°C
ZERO g BIAS LEVEL
0 g Offset
0 g Voltage
Each Axis
0 g Offset over Temperature
from 25°C
from 25°C
NOISE PERFORMANCE
Noise Density, rms
FREQUENCY RESPONSE
3dB Bandwidth
SELF TEST
Continuous Voltage at outputs @3V Supply, output rails to
under failure
supply voltage
OUTPUTS PERFORMANCE
Normal Output Range
Current
Turn-On Time4
Output High
Output Low
Source or sink, @ 2.7V-3.6V
supply
@3V Supply
POWER SUPPLY
Operating Voltage Range
Supply Current
@ 3V
TEMPERATURE RANGE
Operating 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 Transverse sensitivity is the algebraic sum of the alignment and the
inherent sensitivity errors.
4 Output settled to within ±17mg.
±1.7
475
-0.1
1.45
15
2.8
2.7
0
0.5
±1.0
±2.0
500
0.00
1.50
1.5
0.75
0.4
17
3.0
75
3.0
2.0
Max
1.0
525
15
+0.1
1.55
1.0
19
0.2
100
3.6
+70
MXR6500M
Min Typ Max
Units
±1.7
0.5
±1.0
±2.0
g
1.0 % of FS
degrees
%
475 500 525 mV/g
20 %
-0.1 0.00 +0.1
g
1.45 1.50 1.55
V
1.5 mg/°C
0.75 mV/°C
0.4 1.0 mg/ Hz
15 17 19 Hz
3.0 V
2.8 V
0.2 V
100 µA
75 mS
2.7 3.0 3.6 V
2.0 mA
-40 +85 °C
MEMSIC MXR6500G/M Rev.C
Page 2 of 6
2/26/2007


Part Number MXR6500M
Description Dual Axis Accelerometer
Maker MEMSIC
Total Page 6 Pages
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