mma3204keg Freescale Semiconductor, Inc, mma3204keg Datasheet

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mma3204keg

Manufacturer Part Number
mma3204keg
Description
Surface Mount Micromachined Accelerometer
Manufacturer
Freescale Semiconductor, Inc
Datasheet

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MMA3204KEG
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Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2009. All rights reserved.
Surface Mount
Micromachined Accelerometer
micromachined 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
MMA3204EG
MMA3204EGR2
MMA3204KEG*
MMA3204KEGR2*
*Part number sourced from a different facility.
AV
ST
The MMA3204 series of dual axis (X and Y) silicon capacitive,
Sensitivity in two separate axes: 100g X-axis and 30g 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
Sensor
Self-Test
G-Cell
Temperature Range
Integrator
Control Logic &
–40 to +125°C
–40 to +125°C
–40 to +125°C
–40 to +125°C
Trim Circuits
ORDERING INFORMATION
EPROM
Status
Gain
Oscillator
Case No.
475A-02
475A-02
475A-02
475A-02
Filter
Temp
SOIC-20, Tape & Reel
SOIC-20, Tape & Reel
Clock
Gen.
Package
SOIC-20
SOIC-20
V
SS
V
Y
X
DD
OUT
OUT
MMA3204KEG: XY-AXIS SENSITIVITY
STATUS
AV
X
MMA3204KEG
N/C
N/C
N/C
V
N/C
OUT
V
ST
DD
SS
DD
Figure 2. Pin Connections
KEG SUFFIX (Pb-FREE)
ACCELEROMETER
MICROMACHINED
20-LEAD SOIC
CASE 475A-02
±100/30g
1
2
3
4
5
6
7
8
9
10
Rev 0, 11/2009
MMA3204KEG
20
19
18
17
16
15
14
13
12
11
Y
GND
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
OUT

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mma3204keg Summary of contents

Page 1

... Gain Sensor ST Control Logic & Self-Test EPROM Trim Circuits Status Figure 1. Simplified Accelerometer Functional Block Diagram © Freescale Semiconductor, Inc., 2009. All rights reserved. MMA3204KEG: XY-AXIS SENSITIVITY Case No. Package 475A-02 SOIC-20 475A-02 SOIC-20, Tape & Reel 475A-02 SOIC-20 475A-02 SOIC-20, Tape & Reel ...

Page 2

... Although the Freescale accelerometers contain internal 2kV 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 MMA3204KEG 2 Symbol G G ...

Page 3

... DD 2.7 3.25 4.0 50 — 260 — 0.2 — 0.25 — V – 0.25 DD — — 100 — 300 — — — 5.0 — 10 — /2. DD MMA3204KEG Unit V mA ° mV/g mV/g mV/g/V mV/g FSO mVrms 1/2 ) mVpk μ kHz Ω % FSO ...

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. MMA3204KEG 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. Status R1 1 kΩ X Output Signal C2 0.01 μ Output 1 kΩ Signal C3 0.01 μ A 0.01 μF 1 kΩ A kΩ 0.01 μ 0.1 μ 0.1 μF C Power Supply to decouple the power DD MMA3204KEG 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. MMA3204KEG 6 Dynamic Acceleration Sensing Direction +Y 1 N/C 20 GND N ...

Page 7

... Freescale Semiconductor footprint, the packages will self-align when subjected to a solder reflow process always recommended to design boards with a solder mask layer to avoid bridging and shorting between solder pads. 0.050 in. 0.380 in. 1.27 mm 9.65 mm 0.024 in. 0.610 mm 0.080 in. 2.03 mm Figure 5. Footprint SOIC-20 (Case 475A-02) MMA3204KEG 7 ...

Page 8

... MMA3204KEG 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 MMA3204D 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. MMA3204KEG 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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