MMA1200 Freescale Semiconductor, MMA1200 Datasheet

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MMA1200

Manufacturer Part Number
MMA1200
Description
Surface Mount Micromachined Accelerometer
Manufacturer
Freescale Semiconductor
Datasheet
www.DataSheet4U.com
Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2006. All rights reserved.
Surface Mount
Micromachined Accelerometer
signal conditioning, a 4-pole low pass filter and temperature compensation.
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
MMA1200EGR2
MMA1200DR2
Device Name
MMA1200EG
The MMA series of silicon capacitive, micromachined accelerometers features
ST
MMA1200D
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
Vibration Monitoring and Recording
Impact Monitoring
Figure 1. Simplified Accelerometer Functional Block Diagram
Self-test
Sensor
G-Cell
Temperature Range
– 40 to +125°C
– 40 to +125°C
– 40 to +125°C
– 40 to +125°C
Integrator
EPROM Trim Circuits
ORDERING INFORMATION
Control Logic &
STATUS
Gain
Case No.
475-01
475-01
475-01
475-01
Oscillator
Filter
SOIC-16, Tape & Reel
SOIC-16, Tape & Reel
Comp
Temp
Package
SOIC-16
SOIC-16
Generator
Clock
V
V
V
OUT
DD
SS
MMA1200D: Z AXIS SENSITIVITY
STATUS
V
Document Number: MMA1200D
V
N/C
N/C
N/C
OUT
V
Figure 2. Pin Connections
ST
DD
SS
MMA1200
EG SUFFIX (Pb-FREE)
ACCELEROMETER
MICROMACHINED
16-LEAD SOIC
CASE 475-01
1
2
3
4
5
6
7
8
D SUFFIX
±250g
Rev 4, 03/2006
16
15
14
13
12
11
10
9
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C

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MMA1200 Summary of contents

Page 1

... SOIC-16, Tape & Reel 475-01 SOIC-16 475-01 SOIC-16, Tape & Reel V DD Temp V Gain Filter Comp OUT Clock Oscillator Generator V SS Document Number: MMA1200D Rev 4, 03/2006 MMA1200 MMA1200D: Z AXIS SENSITIVITY MICROMACHINED ACCELEROMETER ±250g D SUFFIX EG SUFFIX (Pb-FREE) 16-LEAD SOIC CASE 475-01 N/C 16 N N/C N ...

Page 2

... Although the Freescale 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 MMA1200D 2 Symbol G pd ...

Page 3

... V –0.25 DD — — 100 — 300 — — — 5.0 — 10 — /2. DD MMA1200D Unit mV/g mV/g FSO mVrms 1/2 µV/(Hz ) mVpk µ kHz Ω % FSO kHz 3 ...

Page 4

... Acceleration Figure 3. Transducer Figure 4. Equivalent Physical Model MMA1200D 4 PRINCIPLE OF OPERATION Filtering The Freescale accelerometers contain an onboard 4-pole switched capacitor filter. A Bessel implementation is used because it provides a maximally flat delay response (linear phase) thus preserving pulse shape integrity ...

Page 5

... This will prevent aliasing errors A 0.01 µF 1 kΩ 0.1 µ 0.1 µF Power Supply Accelerometer to Microcontroller to decouple the power DD Figure MMA1200D 0.1 µ ...

Page 6

... Dynamic Acceleration Sensing Direction 1. When positioned as shown, the Earth's gravity will result in a positive 1g output MMA1200D 6 +Z Acceleration of the package in the +Z direction (center plate moves in the −Z direction) will result in an increase in the output. Activation of Self test moves the center plate in the −Z direction, resulting in an increase in the output. − ...

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 7. Footprint SOIC-16 (Case 475-01) 0.050 in. 1.27 mm 0.024 in. 0.610 mm MMA1200D 7 ...

Page 8

... MMA1200D 8 PACKAGE DIMENSIONS CASE 475-01 ISSUE C 16-LEAD SOIC PAGE Sensors Freescale Semiconductor ...

Page 9

... Sensors Freescale Semiconductor PACKAGE DIMENSIONS CASE 475-01 ISSUE C 16-LEAD SOIC PAGE MMA1200D 9 ...

Page 10

... Freescale Semiconductor Literature Distribution Center P.O. Box 5405 Denver, Colorado 80217 1-800-441-2447 or 303-675-2140 Fax: 303-675-2150 LDCForFreescaleSemiconductor@hibbertgroup.com MMA1200D Rev. 4 03/2006 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 Freescale sales representative. For information on Freescale’ ...

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