sca3060 - d01 murata electronics oy 1 / 3 1 / 3 www.muratamems.fi doc. nr. 82 1040 00 c rev c sca30 60 - d01 digital low power ac celerometer for non - safety critical auto motive applications features ? 3,0 v C 3.6 v supply voltage ? ? 2 g measurement range ? 16 bit spi digital interface ? selectable frequency response ? very low current consumption (3.3 v, 150 ? a typ) ? 64 samples/axis buffer memory for output acceleration data and advanced features enable significant power and resource savings at system level ? interrupt signal triggered by motion ? size 7.6 x 3.3 x 8.6 mm (w x h x l) ? prove n capacitive 3d - mems technology ? high shock durability ? rohs compliant / lead free soldering ? aec q - 100 qualified applications sca30 60 - d01 is targeted to non - safety critical automotive applications such as ? inertial navigation ? vehicle alarms ? inclination s ensing ? motion activation ? black box systems figure 1 sca30 6 0 - d01 block diagram data s heet int c/v an a log calibrat i on & adc d e - mux 1:3 low - pass filter low - pass filter low - pass filter decimation decimation dec i mation coordinate mapping and calibrat i on oscill a tor & clock motion detector non - vola tile memory reference spi i/f control & int sck m i so mosi csb ring buffer temperat u re se n sor free datasheet http:///
sca3060 - d01 murata electronics oy 2 / 3 2 / 3 www.muratamems.fi doc. nr. 82 1040 00 c rev c performance c haracteristics 1) parameter condition units min typ 1) max analog and digital vdd 3.0 3.3 3.6 v operati ng temperature ** - 40 - 105 c current consumption * reset 2) - <9 - ? a measurement / md mode - 150 - ? a acceleration range * 3) nominal - 2 - g total offset error 4) - 40 ... +105 c - 200 200 +200 mg sensitivity * 6) - 1000 - count/g total sens itivity error * - 2% 4% % non - linearity ** 7) - 1 3% % fs cross - axis sensitivity ** 8) - 3 - % bandwidth ** 9) measurement mode 9 hz wide band mode 35 hz noise ** 10) measurement mode 9 mg rms wide band mode - 16 - mg rms output da ta rate ** measurement mode 50 hz wide band mode 100 hz start up time ** 11) - 14 0 - ms start up time (in wb mode) - 30 - ms output load ** - - 35 pf spi clock rate ** - - 325 k hz * 100% t ested in production ** qualified during product vali dation 1 ) typical values are not guaranteed. 2 ) includes the current through the internal 400 k ? pull - up resistor connected to digital i/o vdd. 3 ) range defined as . the measuring range is tested on sensing element level. fs = 2g. 4 ) includes effects over supply voltage, temperature and life time 6) sensitivity = {count(+1g) - count( - 1g)}/2 [ count/g]. 7 ) from straight line through sensitivity calibration (+1g, - 1g) points. 8 ) the cross - axis sensitivity determines how much acceleration , perpendicular to the measuring axis, couples to the output. the total cross - axis sensitivity is the geometric sum of the sensitivities of the two axes which are perpendicular to the measuring axis. the angular alignment error between x, y and z axi s is in cluded into the cross axis sensitivity . 9) frequency response s according to figure 4 . 10 ) average n oise /axis over the measurement bandwidth defined as , where nx, n y and nz are the measured signal's standard deviation due to noise in x, y and z directions. 11 ) settling error less than 1% of fs . g z y x 2 2 2 2 ? ? ? ) 2 2 2 ( 3 1 z n y n x n ? ? free datasheet http:///
sca3060 - d01 murata electronics oy 3 / 3 3 / 3 www.muratamems.fi doc. nr. 82 1040 00 c rev c figure 2 accelerometer measuring directions figure 3 housing dimensions figure 4 frequency response of sca306 0 - d01 in m easurement mode (lef t) and in wide band mode (right) free datasheet http:///
|
