PDF MMA6519KW Data sheet ( Hoja de datos )

Número de pieza	MMA6519KW
Descripción	Dual-Axis SPI Inertial Sensor
Fabricantes	Freescale Semiconductor
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No Preview Available ! Freescale Semiconductor Data Sheet: Technical Information Document Number: MMA65XX Rev. 3, 03/2012 Dual-Axis SPI Inertial Sensor MMA65xx, a SafeAssure solution, is a SPI-based, dual-axis, medium-g, over- damped lateral accelerometer designed for use in Automotive Airbag systems. 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/) Device MMA6519KW MMA6525KW MMA6527KW MMA6519KWR2 MMA6525KWR2 MMA6527KWR2 ORDERING INFORMATION X-Axis Range Y-Axis Range ±80g ±80g ±105g ±105g ±120g ±120g ±80g ±80g ±105g ±105g ±120g ±120g Shipping Tubes Tubes Tubes Tape & Reel Tape & Reel Tape & Reel For user register array programming, please consult your Freescale representative. MMA65xx Bottom View 16 LEAD QFN 6 mm by 6 mm CASE 2086-01 © 2011-2012 Freescale Semiconductor, Inc. All rights reserved. 1 page 2 Electrical Characteristics 2.1 Maximum Ratings Maximum ratings are the extreme limits to which the device can be exposed without permanently damaging it. # 1 Supply Voltage Rating 2 VREG, VREGA 3 SCLK, CS, MOSI,VPP/TEST 4 ARM_X, ARM_Y 5 MISO (high impedance state) 6 Powered Shock (six sides, 0.5 ms duration) 7 Unpowered Shock (six sides, 0.5 ms duration) 8 Drop Shock (to concrete surface) Electrostatic Discharge 9 Human Body Model (HBM) 10 Charge Device Model (CDM) 11 Machine Model (MM) 12 Storage Temperature Range 13 Thermal Resistance - Junction to Case Symbol VCC VREG VIN VIN VIN gpms gshock hDROP VESD VESD VESD Tstg qJC Value -0.3 to +7.0 -0.3 to +3.0 -0.3 to VCC + 0.3 -0.3 to VCC + 0.3 -0.3 to VCC + 0.3 ±1500 ±2000 1.2 ±2000 ±750 ±200 -40 to +125 2.5 2.2 Operating Range The operating ratings are the limits normally expected in the application and define the range of operation. Unit V (3) V (3) V (3) V (3) V (3) g (5,18) g (5,18) m (5) V V V °C °C/W (5) (5) (5) (5) (14) # Characteristic Supply Voltage 14 Standard Operating Voltage, 3.3V 15 Standard Operating Voltage, 5.0V Operating Ambient Temperature Range 16 Verified by 100% Final Test 17 Power-on Ramp Rate (VCC) Symbol VCC TA VCC_r Min VL +3.135 TL -40 0.000033 Typ VTYP +3.3 +5.0 — — Max VH +5.25 TH +105 3300 Units V (15) V (15) C (1) V/μs (19) Sensor Freescale Semiconductor, Inc. MMA65xx 5 5 Page VCC VCC_UV_r VCC_UV_f VREGA VREGA_UV_r VREG VREG_UVR_r POR DEVRES VREGA_UV_f Note: VREGA & VREG rise and fall slopes will be dependent on output capacitance and load current VREG_UVR_f Time Figure 6. Power-Up Timing DEVRES Flag Cleared by User CS tLEAD SCLK tACCESS MISO tSETUP MOSI tSCLKR tSCLK tSCLKL tVALID tHOLD_IN tSCLKF tSCLKH tHOLD_OUT tCSN tCSCLK tLAG tCLKCS tDISABLE Figure 7. Serial Interface Timing Sensor Freescale Semiconductor, Inc. MMA65xx 11 11 Page

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