rev. 3 /30 dec 2005 vti technologies reserves the right to modify this speci? cation without prior to notice. vout(@vx) x r e = 100% x vout(@ 5 v) 5.00 v vx 1- sca610 series features ? available ranges 0.5 g ( 30 o), 1 g ( 90 o), 1.5 g, 1.7 g, 3.0 g ? 8-pin plastic surface mount dip package mountable with pick and place machines ? enhanced failure detection ? digitally activated electrostatic self test (not for inclinometers) ? calibration memory parity check ? continuous connection failure detection ? bi-directional acceleration measurement ? controlled frequency response in the sensing element ? single +5 v supply; ratiometric voltage output in the range 4.75 5.25 v ? lead-free re? ow solderable lead-free component benefits ? exceptional reliability, unprecedented accuracy and excellent stability over temperature and time ? outstanding overload and shock durability ? no additional components required applications ? acceleration measurement ? inclination measurement ? motion measurement ? vibration measurement for customised product please contact vti technologies accelerometer/inclinometer electrical characteristics parameter condition min. typ. max. units supply voltage vdd 4.75 5.25 v current consumption vdd = 5 v; no load 2.0 4.0 ma operating temperature - 40 + 125 c resistive output load vout to vdd or vss 20 kohm capacitive load vout to vdd or vss 20 nf output noise (1 dc...4 khz 5 mvrms performance characteristics parameter condition/ comment sca610- cahh1g (13 sca610- ca1h1g (13 sca610- c21h1a sca610- c23h1a sca610- c28h1a sca610- c13h1a sca610- cc5h1a units measuring range (2 nominal 0.5 ( 30 o) 1 ( 90 o) 1 1.5 1.7 1 .5 3 g mounting plane (3 measuring direction horizontal horizontal horizontal horizontal horizontal horizontal horizontal zero point (nom.) (4 mounting position vdd/2 vdd/2 vdd/2 vdd/2 vdd/2 vdd/2 vdd/2 v sensitivity @ room temperature 4 (5b 2 (5a 2 (5a 1.333 (5a 1.2 (5a 1.33 (5a 0.75 (5a v/g zero point error (6 -40..125 c 50 50 125 125 125 125 195 mg sensitivity error -40..125 c 4 (8b 4 (8a 5 (8a 5 (8a 5 (8a 5 (8a 5 (8a % sensitivity error (7 -25...85 c 2.5 (8b 2.5 (8a 3 (8a 3 (8a 3 (8a 3 (8a 3 (8a % typical non-linearity (7 over measuring range 10 (9b, c 10 (9a, c 20 (9a 20 (9a 20 (9a 20 (9a 60 (9a mg cross-axis sensitivity (10 5544444% frequency response -3db point (11 18 10 18 10 50 30 50 30 50 30 400 150 115 55 hz ratiometric error (12 vdd = 4.75...5.25 v 2 2 2 2 2 2 2 % vdd = 5.00 v, unless otherwise specified note 1 the noise density of cahh1g and ca1h1g is 30 g/ hz , the noise density of c23h1a and c28h1a is 20 g/ hz . note 2 the measuring range is limited by sensitivity, offset and supply voltage rails of the device. note 3 measuring direction parallel to the mounting plane. note 4 vertical versions in +1 g position, i.e. arrow up: horizontal versions pins down (+0 g) note 5a sensitivity speci? ed as [vout (+1 g) - vout(-1 g)] / 2 [v/g] . note 5b sensitivity speci? ed as [vout (+0.5 g) - vout(-0.5 g)][v/g] . note 6 zero point error speci? ed as (vout (+0 g) - vdd/2) / vsens [g] (room temp. error included); vsens = nominal sensitivity. note 7 typical tolerance, not 100 % tested. note 8a sensitivity error speci? ed as {{[vout (+1 g) -vout (-1 g)] / 2} -vsens} / vsens x 100 % [%] (room temp. error included); vsens = nominal sensitivity. note 8b sensitivity error speci? ed as {{[vout (+0.5 g) -vout (-0.5 g)] / 2} -vsens} / vsens x 100 % [%] (room temp. error included); vsens = nominal sensitivity. note 9a relative to straight line between 1 g. note 9b relative to straight line between 0.5 g. note 9c in inclinometer applications a correction based on the angular error resulting from cross-axis sensitivity around the inclination angle reduces non-linearity. note 10 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. note 11 the output has true dc (0 hz) response. note 12 supply voltage noise also couples to the output, due to the ratiometric (output proportional to supply voltage) nature of the accelerometer. note 13 self test not recommended. the ratiometric error is speci? ed as:
vti technologies oy myllynkivenkuja 6 p.o. box 27 fi-01621 vantaa finland tel. +358 9 879 181 fax +358 9 879 18791 sales@vti.? vti technologies oy frankfurt branch rennbahnstr. 72-74 d-60528 frankfurt am main germany tel. +49 69 6786 880 fax +49 69 6786 8829 sales.de@vti.? vti technologies, inc. one park lane blvd. suite 804 - east tower dearborn, mi 48126 usa tel. +1 313 425 0850 fax +1 313 425 0860 sales@vtitechnologies.com electrical connection dimensions recommended circuit pcb pad layouts absolute maximum ratings parameter value units acceleration (powered or non-powered) 20000 g supply voltage -0.3 to +7.0 v voltage at input / output pins -0.3 to vdd + 0.3 v temperature range -55 to +125 oc pin# pin name connection 1 open or capacitively connected to gnd for emc*) 2 open or capacitively connected to gnd for emc*) 3 open or capacitively connected to gnd for emc*) 4 gnd negative supply voltage (vss) 5 open or capacitively connected to gnd for emc*) 6 st self-test control 7 vout sensor analog output 8 vdd positive supply voltage (vdd) *) recommended capacity min. 20 pf C effectiveness should be tested and if necessary adapted in the respective connection. the accelerometer weighs under 1 g. the size of the part is approximately (w x h x l) 9 x 5 x 11 mm. pin pitch is standard 100 mils. acceleration in the direction of the arrow will increase the output voltage. sca610 series
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