MMA1250EGR2 Freescale Semiconductor, MMA1250EGR2 Datasheet

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MMA1250EGR2

Manufacturer Part Number
MMA1250EGR2
Description
SENSOR ACCEL Z-AX +/-5G 16-SOIC
Manufacturer
Freescale Semiconductor
Datasheets

Specifications of MMA1250EGR2

Axis
Z
Acceleration Range
±5g
Sensitivity
400mV/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)
Sensing Axis
Z
Acceleration
5 g
Maximum Operating Temperature
+ 105 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
No. Of Axes
1
Sensor Case Style
SOIC
No. Of Pins
16
Supply Voltage Range
4.75V To 5.25V
Operating Temperature Range
-40°C To +105°C
Acceleration Range ±
5gf
Rohs Compliant
Yes
For Use With
RD1986MMA2260D - KIT SENSOR ACCEL MMA2260D TRIAX
Lead Free Status / RoHS Status
Lead free by exemption / RoHS Compliant
Interface
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
MMA1250EGR2TR
Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2009. 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
MMA1250EG
MMA1250EGR2
MMA1250KEG*
MMA1250KEGR2*
*Part number sourced from a different facility.
ST
The MMA series of silicon capacitive, micromachined accelerometers feature
Device Name
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
Qualified AEC-Q100, Rev. F Grade 2 (-40°C/ +105°C)
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
Integrator
EPROM Trim Circuits
–40° to 105°C
–40° to 105°C
–40° to 105°C
–40° to 105°C
Control Logic &
ORDERING INFORMATION
STATUS
Gain
Case No.
475-01
475-01
475-01
475-01
Oscillator
Filter
SOIC-16, Tape & Reel
SOIC-16, Tape & Reel
Temp Comp
and Gain
Generator
Package
SOIC-16
SOIC-16
Clock
V
V
V
DD
OUT
SS
MMA1250KEG: Z-AXIS SENSITIVITY
STATUS
V
V
V
V
V
OUT
V
Figure 2. Pin Connections
MMA1250KEG
ST
DD
SS
SS
SS
SS
KEG SUFFIX (Pb-FREE)
ACCELEROMETER
MICROMACHINED
16-LEAD SOIC
CASE 475-01
1
2
3
4
5
6
7
8
±5g
Rev 0, 11/2009
MMA1250KEG
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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MMA1250EGR2 Summary of contents

Page 1

... Virtual Reality Input Devices • Sports Diagnostic Devices and Systems ORDERING INFORMATION Device Name Temperature Range MMA1250EG –40° to 105°C MMA1250EGR2 –40° to 105°C MMA1250KEG* –40° to 105°C MMA1250KEGR2* –40° to 105°C *Part number sourced from a different facility. G-Cell ...

Page 2

... ELECTRO STATIC DISCHARGE (ESD) performance or cause failure of the chip. When handling the accelerometer, proper ESD precautions should be followed to avoid exposing the device to discharges which may be detrimental to its performance. Value Unit 1500 g 2000 g –0.3 to +7.0 V 1.2 m –40 to +125 °C Sensors Freescale Semiconductor ...

Page 3

... Time for amplifiers to recover after an acceleration signal causes them to saturate. 12. Preserves phase margin (60°) to guarantee output amplifier stability. 13. A measure of the device's ability to reject an acceleration applied 90° from the true axis of sensitivity. Sensors Freescale Semiconductor ≤ 5.25, Acceleration = 0g, Loaded output. DD Symbol ...

Page 4

... Parity of the EPROM bits becomes odd in number. The fault latch can be reset by a rising edge on the self-test input pin, unless one (or more) of the fault conditions continues to exist. Circuit Model SPECIAL FEATURES causes the center plate to deflect. The 2 Freescale Semiconductor Sensors ...

Page 5

... OUT 0.1 μ Figure 5. SOIC Accelerometer with Recommended Connection Diagram Sensors Freescale Semiconductor BASIC CONNECTIONS PCB Layout STATUS N/C ST N/C N/C V N/C OUT N N/C N N/C Figure 6. Recommended PCB Layout for Interfacing NOTES: 1. Use a 0.1 μF capacitor on V source. 2. Physical coupling distance of the accelerometer to the microcontroller should be minimal ...

Page 6

... When positioned as shown, the Earth's gravity will result in a positive 1g output MMA1250KEG 6 ACCELERATION SENSING DIRECTIONS OUT STATUS N/C pins are recommended to be left FLOATING STATIC ACCELERATION + 2.9 V OUT - 2.1 V OUT N N N N/C 8 16-Pin SOIC Package (1) Direction of Earth's gravity field 2.50 V OUT Sensors Freescale Semiconductor ...

Page 7

... MMA1250KEG Sensors Freescale Semiconductor PACKAGE DIMENSIONS CASE 475-01 ISSUE C 16 LEAD SOIC PAGE ...

Page 8

... PACKAGE DIMENSIONS CASE 475-01 ISSUE C 16 LEAD SOIC PAGE MMA1250KEG Sensors Freescale Semiconductor ...

Page 9

... Freescale Semiconductor product could create a situation where personal injury or death may occur. Should Buyer ...

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