MMA1270D Freescale Semiconductor, MMA1270D Datasheet

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MMA1270D

Manufacturer Part Number
MMA1270D
Description
SENSOR ACCEL Z-AX +/-2.5G 16SOIC
Manufacturer
Freescale Semiconductor
Series
MMAr
Datasheets

Specifications of MMA1270D

Axis
Z
Acceleration Range
±2.5g
Sensitivity
750 mV/g
Voltage - Supply
4.75 V ~ 5.25 V
Output Type
Analog
Bandwidth
50Hz
Mounting Type
Surface Mount
Package / Case
16-SOIC (0.300", 7.50mm Width)
Family Name
MMA1270
Package Type
SOIC
Operating Supply Voltage (min)
4.75V
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (max)
5.25V
Operating Temperature (min)
-40C
Operating Temperature (max)
105C
Operating Temperature Classification
Industrial
Product Height (mm)
3.3mm
Mounting
Surface Mount
Pin Count
16
Sensing Axis
Z
Acceleration
2.5 g
Maximum Operating Temperature
+ 105 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
For Use With
RD1986MMA2260D - KIT SENSOR ACCEL MMA2260D TRIAX
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Interface
-
Lead Free Status / Rohs Status
Not Compliant
Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2006. All rights reserved.
Low G
Micromachined Accelerometer
signal conditioning, a 2-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
ST
Device Name
MMA1270EG
The MMA series of silicon capacitive, micromachined accelerometers feature
MMA1270D
Integral Signal Conditioning
Linear Output
2nd Order Bessel Filter
Calibrated Self-test
EPROM Parity Check Status
Transducer Hermetically Sealed at Wafer Level for Superior Reliability
Robust Design, High Shock Survivability
Vibration Monitoring and Recording
Appliance Control
Mechanical Bearing Monitoring
Computer Hard Drive Protection
Computer Mouse and Joysticks
Virtual Reality Input Devices
Sports Diagnostic Devices and Systems
Figure 1. Simplified Accelerometer Functional Block Diagram
Self-test
Sensor
G-Cell
Temperature Range
–40° to 105°C
–40° to 105°C
Integrator
EPROM Trim Circuits
ORDERING INFORMATION
Control Logic &
STATUS
Gain
Case No.
475-01
475-01
Oscillator
Filter
Temp Comp
and Gain
Package
SOIC-16
SOIC-16
Generator
Clock
V
V
V
DD
OUT
SS
STATUS
MMA1270D: Z AXIS SENSITIVITY
V
V
V
V
V
V
OUT
Document Number: MMA1270D
ST
Figure 2. Pin Connections
DD
SS
SS
SS
SS
EG SUFFIX (Pb-FREE)
ACCELEROMETER
MICROMACHINED
MMA1270
16-LEAD SOIC
1
2
3
4
5
6
7
8
CASE 475-01
D SUFFIX
±2.5g
Rev 3, 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

Related parts for MMA1270D

MMA1270D Summary of contents

Page 1

... Freescale Semiconductor, Inc., 2006. All rights reserved. Case No. Package 475-01 SOIC-16 475-01 SOIC-16 V Temp Comp Gain Filter V and Gain Clock Oscillator Generator V Document Number: MMA1270D Rev 3, 03/2006 MMA1270 MMA1270D: Z AXIS SENSITIVITY MICROMACHINED ACCELEROMETER ±2.5g D SUFFIX EG SUFFIX (Pb-FREE) 16-LEAD SOIC CASE 475- OUT ...

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 MMA1270D 2 Symbol G pd ...

Page 3

... Hz — +1.0 % FSO 3.5 6.5 mVrms µg/√Hz 700 — 1.25 1.6 — 0 — µA – 125 – 300 — 0.4 — — — 2.0 ms — V – 0.25 DD — 100 pF 50 — — 5.0 % FSO /2. DD MMA1270D Ω 3 ...

Page 4

... Acceleration Figure 3. Transducer Figure 4. Equivalent Physical Model MMA1270D 4 PRINCIPLE OF OPERATION Filtering The Freescale accelerometers contain an onboard 2-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

... OUTPUT do not interfere with the internal accelerometer SIGNAL sampling frequency. This will prevent aliasing errors. C2 0.1 µ A 0.01 µF 1 kΩ 0.1 µ 0.1 µF Power Supply Accelerometer to Microcontroller to decouple the power DD Figure MMA1270D 0.1 µ ...

Page 6

... DYNAMIC ACCELERATION +g – 2.50 V OUT 1. When positioned as shown, the Earth's gravity will result in a positive 1g output MMA1270D 6 ACCELERATION SENSING DIRECTIONS OUT STATUS N/C pins are recommended to be left FLOATING STATIC ACCELERATION + 3.25 V OUT – 1.75 V OUT 16 N N N/C ...

Page 7

... Sensors Freescale Semiconductor PACKAGE DIMENSIONS CASE 475-01 ISSUE C 16-LEAD SOIC PAGE MMA1270D 7 ...

Page 8

... MMA1270D 8 PACKAGE DIMENSIONS CASE 475-01 ISSUE C 16-LEAD SOIC PAGE Sensors Freescale Semiconductor ...

Page 9

... 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 MMA1270D Rev. 3 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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