mma3202keg Freescale Semiconductor, Inc, mma3202keg Datasheet

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mma3202keg

Manufacturer Part Number
mma3202keg
Description
Surface Mount Micromachined Accelerometer
Manufacturer
Freescale Semiconductor, Inc
Datasheet

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Part Number
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Part Number:
mma3202kegR2
Manufacturer:
FREESCALE
Quantity:
20 000
Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2009. All rights reserved.
Surface Mount
Micromachined Accelerometer
accelerometers features signal conditioning, a 4-pole low pass filter and
temperature compensation and separate outputs for the two axes. Zero-g offset
full scale span and filter cut-off are factory set and require no external devices. A
full system self-test capability verifies system functionality.
Features
Typical Applications
MMA3202EG
MMA3202EGR2
MMA3202KEG*
MMA3202KEGR2*
*Part number sourced from a different facility.
AV
ST
The MMA3202 series of dual axis (X and Y) silicon capacitive, micromachined
Sensitivity in two separate axes: 100g X-axis and 50g Y-axis
Integral Signal Conditioning
Linear Output
Ratiometric Performance
4th Order Bessel Filter Preserves Pulse Shape Integrity
Calibrated Self-test
Low Voltage Detect, Clock Monitor, and EPROM Parity Check Status
Transducer Hermetically Sealed at Wafer Level for Superior Reliability
Robust Design, High Shocks Survivability
Qualified AEC-Q100, Rev. F Grade 2 (-40°C/ +105°C)
Vibration Monitoring and Recording
Impact Monitoring
Appliance Control
Mechanical Bearing Monitoring
Computer Hard Drive Protection
Computer Mouse and Joysticks
Virtual Reality Input Devices
Sports Diagnostic Devices and Systems
DD
Device
Figure 1. Simplified Accelerometer Functional Block Diagram
Self-Test
Sensor
G-Cell
Temperature Range
Integrator
–40 to +125°C
–40 to +125°C
–40 to +125°C
–40 to +125°C
ORDERING INFORMATION
Control Logic &
Trim Circuits
EPROM
Status
Gain
Case No.
475A-02
475A-02
475A-02
475A-02
Oscillator
Filter
SOIC-20, Tape & Reel
SOIC-20, Tape & Reel
Temp
Package
SOIC-20
SOIC-20
Generator
Clock
V
SS
V
Y
X
DD
OUT
OUT
MMA3202KEG: XY-AXIS SENSITIVITY
STATUS
AV
X
N/C
N/C
V
V
N/C
N/C
OUT
ST
SS
DD
DD
Figure 2. Pin Connections
MMA3202KEG
KEG SUFFIX (Pb-FREE)
ACCELEROMETER
MICROMACHINED
1
2
3
4
5
6
7
8
9
10
20-LEAD SOIC
CASE 475A-02
±100/50g
Rev 0, 11/2009
MMA3202KEG
20
19
18
17
16
15
14
12
13
11
GND
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
Y
OUT

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mma3202keg Summary of contents

Page 1

... SOIC-20 475A-02 SOIC-20, Tape & Reel 475A-02 SOIC-20 475A-02 SOIC-20, Tape & Reel Temp Gain Filter Clock Oscillator Generator V SS MMA3202KEG Rev 0, 11/2009 MMA3202KEG MMA3202KEG: XY-AXIS SENSITIVITY MICROMACHINED ACCELEROMETER ±100/50g KEG SUFFIX (Pb-FREE) 20-LEAD SOIC CASE 475A OUT 3 ...

Page 2

... Although the accelerometers contain internal 2 kV ESD protection circuitry, extra precaution must be taken by the user to protect the chip from ESD. A charge of over 2000 volts can accumulate on the human body or associated test equipment. A charge of this magnitude can alter the MMA3202KEG 2 Symbol G pd ...

Page 3

... V – 0.25 DD — — 100 — 300 — — — 5.0 — 10 — /2. DD MMA3202KEG Unit V mA ° mV/g mV/g mV/g/V mV/g FSO mVrms 1/2 μV/(Hz ) mVpk μ kHz Ω % FSO kHz ...

Page 4

... ASIC and a proportional output voltage results. This procedure assures that both the mechanical (g-cell) and electronic sections of the accelerometer are functioning. MMA3202KEG 4 PRINCIPLE OF OPERATION distance between the beams, and N is the number of beams. The X-Y device contains two structures at right angles to each other ...

Page 5

... This will prevent aliasing errors. 7 Status R1 1 kΩ Output Signal C2 0.01 μ Output 1 kΩ 11 Signal C3 0.01 μ A 0.01 μF 1 kΩ A kΩ C 0.01 μ 0.1 μ 0.1 μF Power Supply Accelerometer to Microcontroller to decouple the power DD Figure 5. MMA3202KEG 0.1 μF 5 ...

Page 6

... X and Y outputs Front View * When positioned as shown, the Earth’s gravity will result in a positive 1g output in the X channel. MMA3202KEG 6 Dynamic Acceleration Sensing Direction +Y 1 N/C GND 20 N/C 2 ...

Page 7

... It is always recommended to design boards with a solder mask layer to avoid bridging and shorting between solder pads. 0.380 in. 9.65 mm 0.080 in. 2.03 mm Figure 6. Footprint SOIC-20 (Case 475A-02) 0.050 in. 1.27 mm 0.024 in. 0.610 mm MMA3202KEG 7 ...

Page 8

... MMA3202KEG 8 PACKAGE DIMENSIONS CASE 475A-02 ISSUE C 20-LEAD SOIC PAGE Sensors Freescale Semiconductor ...

Page 9

... Sensors Freescale Semiconductor PACKAGE DIMENSIONS CASE 475A-02 ISSUE C 20-LEAD SOIC PAGE MMA3202KEG 9 ...

Page 10

... RoHS-compliant and/or Pb-free versions of Freescale products have the functionality and electrical characteristics of their non-RoHS-compliant and/or non-Pb-free counterparts. For further information, see http:/www.freescale.com or contact your Freescale sales representative. For information on Freescale’s Environmental Products program http://www.freescale.com/epp. MMA3202KEG Rev. 0 11/2009 Information in this document is provided solely to enable system and software implementers to use Freescale Semiconductor products ...

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