MMA621010EG
MMA621010EG Datasheet
The MMA62XXEG is a two-axis member of Freescale’s family of SPI-compatible accelerometers. These devices incorporate digital signal processing for filtering, trim and data formatting.
| Part | Datasheet |
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MMA621010EG |
MMA621010EG (pdf) |
| Related Parts | Information |
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MMA6255EGR2 |
MMA6255EGR2 |
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MMA621010EGR2 |
MMA621010EGR2 |
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MMA6255EG |
MMA6255EG |
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MMA6222EG |
MMA6222EG |
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MMA6222EGR2 |
MMA6222EGR2 |
| PDF Datasheet Preview |
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| Freescale Semiconductor Technical Data Digital Dual Axis Micromachined Accelerometer The MMA62XXEG is a two-axis member of Freescale’s family of SPI-compatible accelerometers. These devices incorporate digital signal processing for filtering, trim and data formatting. Features • Available in ±20/20g, ±50/50g, or ±100/100g versions. Additional g-ranges between 20 and 100g may be available upon request • Full-scale range is independently specified for each axis • 400 Hz low-pass filter, Hz high-pass filter, 4-pole, 16 us sample time, additional filter options are available • Ratiometric analog voltage output • 10-bit digital signed data output • SPI-compatible serial interface • Capture/hold input for system-wide synchronization support • or 5 V single supply operation • On-chip temperature sensor and voltage regulator • Bidirectional internal self-test • Minimal external component requirements • Pb-free 20-pin SOIC package • Automotive AEC-Q100 qualified Typical Applications • Crash detection Airbag • Impact and vibration monitoring • Shock detection MMA6222EG MMA6255EG MMA621010EG 2-AXIS SPI-COMPATIBLE ACCELEROMETER EG SUFFIX Pb-free 20-LEAD SOIC CASE 475A-02 PIN CONNECTIONS XOUT VSSA YOUT CAP/HOLD CREG CS/RESET 20 N/C 19 N/C CREGA CREGA CREF CREF DOUT 11 SCLK 20-PIN SOIC PACKAGE N/C NO INTERNAL CONNECTION Device Name MMA6222EG MMA6222EGR2 MMA6255EG MMA6255EGR2 MMA621010EG MMA621010EGR2 ORDERING INFORMATION X-Axis g-Level Y-Axis g-Level Temperature Range -40 to +105°C -40 to +105°C -40 to +105°C -40 to +105°C -40 to +105°C -40 to +105°C Package 475A-02 475A-02 475A-02 475A-02 475A-02 475A-02 Packaging Tubes Tape & Reel Tubes Tape & Reel Tubes Tape & Reel Freescale Semiconductor, Inc., All rights reserved. VCC 100 nF 1 uF CREG SCLK CREGA CREF 1 uF 100 nF MMA62XXEG VSSA VSS VPP/TEST XOUT YOUT CS_A SCLK1 MOSI1 MISO1 CS_D SCLK2 MOSI2 MISO2 Main MCU CS SCLK DI DO Deployment IC Safing Sensor s Filter / Comparator DEPLOY_EN1 DEPLOY_EN2 Note If one axis of the MMA62XXEG sensor is expected to be used as a confirmation of the other axis, Freescale recommends that MMA62XXEG used in conjunction with an additional sensing/safing device for each axis. Figure 1-1 Simplified Airbag Application Diagram INTRODUCTION The MMA62XXEG is intended for applications which utilize serial communications as the primary data transfer mechanism. In addition, an analog output with lower accuracy is available. Device serial number, acceleration range, filter characteristics and status information are available along with acceleration data via the SPI interface. A pair of digital-to-analog converters is enabled to provide ratiometric voltage outputs in addition to the digital acceleration value accessible via the SPI. MMA6222EG 2 Sensors Freescale Semiconductor BLOCK DIAGRAM A block diagram illustrating the major components of the design is shown in Figure |
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