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Freescale Semiconductor Data Sheet: Advance Information
Document Number: MMA65XX Rev 2, 09/2011
D...
www.DataSheet.co.kr
Freescale Semiconductor Data Sheet: Advance Information
Document Number: MMA65XX Rev 2, 09/2011
Dual-Axis SPI Inertial Sensor
MMA65xx is a SPI-based, dual-axis, medium-g, over-damped lateral accelerometer designed for use in Automotive Airbag systems.
MMA65xx
Bottom View
Features
±80g, ±105g or ±120g full-scale range, independently specified for each axis 3.3V or 5V single supply operation SPI-compatible serial interface 12-bit digital signed or unsigned SPI data output Independent programmable arming functions for each axis Twelve low-pass filter options, ranging from 50 Hz to 1000 Hz Optional offset cancellation with > 6s averaging period and < 0.25 LSB/s slew rate Pb-Free 16-Pin QFN-6 by 6 Package
Referenced Documents
AECQ100, Revision G, dated May 14, 2007 (http://www.aecouncil.com/) ORDERING INFORMATION
Device MMA6519KWR2 MMA6525KWR2 MMA6527KWR2 X-Axis Range ±80g ±105g ±120g Y-Axis Range ±80g ±105g ±120g Shipping Tape & Reel Tape & Reel Tape & Reel
16 LEAD QFN 6 mm by 6 mm CASE 2086-01
VCC
VCC VREG VREGA
CS SCLK MOSI MISO
C1
C2
C3
MMA65xx
VSSA VSS
VPP/TEST ARM_X ARM_Y
Figure 1. Application Diagram Table 1. External Component Recommendations
Ref Des C1 C2 C3 Type Ceramic Ceramic Ceramic Description 0.1 μF, 10%, 10V Minimum, X7R 1 μF, 10%, 10V Minimum, X7R 1 μF, 10%, 10V Minimum, X7R Purpose VCC Power Supply Decoupling Voltage
Regulator Output Capacitor (CVREG) Voltage
Regulator Output Capacitor (CVREGA)
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