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Freescale Semiconductor Electronic Components Datasheet

MMA5212AKWR2 Datasheet

PSI5 Inertial Sensor

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Freescale Semiconductor
Data Sheet: Technical Data
Document Number: MMA52xxAKW
Rev. 0, 09/2012
Xtrinsic MMA52xxAKW
PSI5 Inertial Sensor
The MMA52xxAKW family, a SafeAssure solution, includes the PSI5 Version 1.3
asynchronous mode compatible overdamped X-axis satellite accelerometers.
Features
• ±60g to ±480g Full-Scale Range
• 400 Hz, 3-Pole Low-Pass Filter
• Single Pole, High-Pass Filter with Fast Startup and Output Rate Limiting
• PSI5 Version 1.3 Asynchronous Mode Compatible
– PSI5-A10P-228/1L Compatible
– Baud Rate: 125 kBaud
– 10-bit Data
– Even Parity Error Detection
• 16 μs Internal Sample Rate, with Interpolation to 1 μs
• Pb-Free 16-Pin QFN, 6 by 6 Package
• Qualified AECQ100, Revision G, Grade 1 (-40°C to +125°C)
(http://www.aecouncil.com/)
Typical Applications
• Airbag Front and Side Crash Detection
Device
MMA5206AKW
MMA5212AKW
MMA5224AKW
MMA5248AKW
MMA5206AKWR2
MMA5212AKWR2
MMA5224AKWR2
MMA5248AKWR2
ORDERING INFORMATION
Axis
Range
Package
X 60g
2086-01
X 120g
2086-01
X 240g
2086-01
X 480g
2086-01
X 60g
2086-01
X 120g
2086-01
X 240g
2086-01
X 480g
2086-01
Shipping
Tubes
Tubes
Tubes
Tubes
Tape & Reel
Tape & Reel
Tape & Reel
Tape & Reel
MMA52xxAKW
Bottom View
16-PIN QFN
CASE 2086-01
Top View
16 15 14 13
VCC
VSS
IDATA
VSS
1
2
3
4
17
56
12 VSSA
11 VREGA
10 CS
9 VREG
78
PIN CONNECTIONS
© 2012 Freescale Semiconductor, Inc. All rights reserved.


Freescale Semiconductor Electronic Components Datasheet

MMA5212AKWR2 Datasheet

PSI5 Inertial Sensor

No Preview Available !

Application Diagram
C4 C5 C6
Note: Pin names and references
may differ from PSI5 V1.3
pin names and references
VVBVUBFUF
VCC
VREG
IDATA
MMA51xx
VREGA
CS
SCLK
DO
VSSA
VSS
DI
R1
R2
C2 C3
VCE
C1
VSS
Ref Des
C1
C3
C2
C4, C5, C6
R1
R2
Type
Ceramic
Ceramic
Ceramic
Ceramic
General Purpose
General Purpose
Figure 1. Application Diagram
External Component Recommendations
Description
Purpose
2.2 nF, 10%, 50V minimum, X7R
VCC Power Supply Decoupling and Signal Damping
470 pF, 10%, 50V minimum, X7R
IDATA Filtering and Signal Damping
15 nF, 10%, 50V minimum, X7R
1 μF, 10%, 10V minimum, X7R
VCC Power Supply Decoupling
Voltage Regulator Output Capacitor(s)
82Ω, 5%, 200 PPM
27Ω, 5%, 200 PPM
VCC Filtering and Signal Damping
IDATA Filtering and Signal Damping
Device Orientation
X: 0g
X: +1g
X: 0g
xxxxxxx
xxxxxxx
X: -1g
X: 0g
EARTH GROUND
Figure 2. Device Orientation Diagram
X: 0g
MMA52xxAKW
2
Sensors
Freescale Semiconductor, Inc.


Part Number MMA5212AKWR2
Description PSI5 Inertial Sensor
Maker Freescale Semiconductor
Total Page 30 Pages
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