outline & dimensions terminal assignment no pin function 1 gnd ground 2 stanby l:standby / h:operating 3 int2 *1 interrupt signal 2 when one of either x or y or z output exceeds preset threshold (1.5g), this terminal outputs high. otherwise, it stays low. 4 int1 *1 interrupt signal 1 when all x, y, z outputs go below set threshold (0.4g), this terminal outputs high. otherwise, it stays low. 5 nc 6 vdd power supply 7 lca connect capacitor for internal circuit. 8 x out analog output x 9 y out analog output y 10 z out analog output z *1 interrupt thresholds are set up individually at our factory. *2 please leave a d unconnected. 1.0 max index 3.0 3.0 lot no. 346a 10-0.6 10-0.08 index 6-0.3 8-0.3 4-0.08 4-0.37 2-0.3 4-0.4 1.0 3-0.5 ab c d a b cd piezoresisitive 3-axis acceleration sensor HAAM-346A 1 hokuriku *details are subject to change without notice. 11/11/2008 [top view] [bottom view]
specification block diagram eeprom gnd multi- plexer y sensor z sensor x sensor vdd demulti- plexer amplifier calculation logic lca *int1int2 stanby (10nf) s/h rout(32k ) s/h rout(32k ) rout(32k ) s/h cy z out cz y out x out cx piezoresisitive 3-axis acceleration sensor HAAM-346A min typ max storage temperature range -40 85 operating temperature range -25 75 supply voltage 2.2 3.6 v ratiometric 0.7 1 at mode a, vdd=3.0v 0.35 0.5 at mode b, vdd=3.0v supply current at standby mode 1 5 ua turn-on time (at c=0.01f) 2 msec until it becomes 99 shock resistance 5000 g rated acceleration -3 3 g offset voltage 1.425 1.5 1.575 v ratiometric against supply voltage offset temperature characteristics -10 10 %fs/g S from 25 sensitivity 297 330 363 mv/g ratiometric against supply voltage linearity of sensitivity -1 1 %fs sensitivity temperature characteristics -3 3 %fs/g S from 25 cross-axis sensitivity -5 5 % 500 at mode a 250 at mode b supply current resonant frequency operating condition electrical characteristics (ta=25 , vdd=3.0v) dc ma hz item rating unit note * please connect 10nf (tentative value) capacitor to lca for use. 2 hokuriku *details are subject to change without notice. 11/11/2008
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