analog interpolators RLXA2510 rls merilna tehnika d.o.o., c. ii.grupe odredov 25 1261 ljubljana-dobrunje, slovenija tel.: +386 1 5272100 fax: +386 1 5272129 e-mail: mail@rls.si internet: http://www.rls.si encoder products features interpolation by 10, 5, 2 or 1, selectable direct coupling of photodiode array single supply low power high speed extended temperature range smd package so16w description the monolithic cmos integrated circuit converts the input sine and cosine signals, as well as the analog reference signal into digital signals with adjustable subdividing factor (1, 2, 5, 10). functional block diagram v dd power supply ( + ) v ss powersupply(-) agnd analog ground output c s analog ground input -i a ,+i a sine wave inputs -i b ,+i b cosine wave inputs -i ri ,+i ri reference impuls inputs a 0 ,a 1 , e logical inputs a, b digital quadrature outputs r i reference digital output output buffer logic -ia -ib -iri +ia +ib +iri 15 13 14 12 2 3 11 cs 27 k 27 k 27 k 27 k 27 k 27 k r r vdd vss 9 agnd 1 vss 8 10 6 a b ri 16 4 5 7 vdd a0 a1 e rlx a2510dr resister network & komparators 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 vss -iri +iri a0 a1 ri out e aout vdd -ia -ib +ia +ib cs b out agnd sin cos ri
analog interpolators RLXA2510 rls merilna tehnika d.o.o., c. ii.grupe odredov 25 1261 ljubljana-dobrunje, slovenija tel.: +386 1 5272100 fax: +386 1 5272129 e-mail: mail@rls.si internet: http://www.rls.si electrical characteristic absolute maximum ratings parameter symbol min max unit supply voltage v dd -0,3 12 v power dissipation po 0.1 w operating temp. range to - 25 100 0 c storage temp. range t stg -55 150 0 c soldering temp.(vapor phase reflow for 30 s) t sol 235 0 c all voltages are referenced to vss = 0v parameter symbol min typ max unit supply voltage v dd 45 6 v supply current i dd 4.5 m a input current i a ,i b 10 100 a input current i ri 4 100 a input frequency f in 200 k hz output volt. level at v dd = 5v and i out = 10ma v oh v ol 4.6 0.5 v v raise / fall time a, b t r ,t f 20 ns raise / fall time ri t r ,t f 30 ns all voltages are referenced to v ss =0v working conditions ia ib iri ri a1 b1 ri a2 b2 ri a5 b5 ri a10 b10 timing diagram
interpolation factor a 0 a 1 r i position e x1 0 0 45 deg. electrical 0 x2 1 0 135 deg. electrical * 1 x5 * 11 x10 0 1 ( * set as default) note : all logical inputs are internally pull ? up with 100 k resistors. logical input truth table analog interpolators RLXA2510 rls merilna tehnika d.o.o., c. ii.grupe odredov 25 1261 ljubljana-dobrunje, slovenija tel.: +386 1 5272100 fax: +386 1 5272129 e-mail: mail@rls.si internet: http://www.rls.si physical dimensions so16w dice description min. max. units a 10.10 10.41 mm b1.27 mm c 0.36 0.46 mm d 7.40 7.60 mm e 10.11 10.51 mm f2.34 mm g 2.44 2.64 mm h 45 deg. i0.5 1 mm 1 b c a d e f g h i bond pad center coordinates ( m) 1 e x= 0.000 y= 0.000 2 aout x= 0.680 y= 0.015 3 ric x= 0.955 y= 0.005 4 agnd x= 1.270 y= 0.040 5 x= 1.920 y= 0.015 6 vdd x= 2.145 y= 0.015 7 x= 2.250 y= 0.260 8 bout x= 2.250 y= 0.805 9 vss x= 2.250 y= 1.400 10 cs x= 2.260 y= 2.190 11 +ib x= 2.260 y= 2.510 12 +ia x= 2.260 y= 2.890 13 -ib x= 2.260 y= 3.460 14 -ia x= 1.670 y= 3.755 15 vdd x= 1.250 y= 3.755 16 vss x= 0.640 y= 3.755 17 -iri x= 0.015 y= 3.755 18 +iri x= -0.328 y= 3.450 19 a0 x= -0.328 y= 2.895 20 x= -0.315 y= 2.320 21 x= -0.325 y= 1.750 22 a1 x= -0.333 y= 1.395 23 riout x= -0.315 y= 0.280 important : the dice back plane must be conneced to the v dd a ll dimensions are in m and are referenced to the center of the e pad. the coordinates are referenced to the centers of pads. the e pad is 535 m to the right and 183 m above the lower left scribe corner. pad size = 100 x 100 m. chip size = 3035 x 4160 m. 1 2 3 4 56 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 RLXA2510
analog interpolators RLXA2510 rls merilna tehnika d.o.o., c. ii.grupe odredov 25 1261 ljubljana-dobrunje, slovenija tel.: +386 1 5272100 fax: +386 1 5272129 e-mail: mail@rls.si internet: http://www.rls.si rlx a2510dr +i -i +i -i +i -i agnd c a a b b ri ri s v ss v dd a r b a a e i 0 1 13 15 12 14 3 2 13 9 11 uri ub ua +5v +5v +5v 10m 0.1m 0.1m 10m 8 10 6 4 5 single ended voltage inputs 7 rlx a2510dr +i -i +i -i +i -i agnd c a a b b ri ri s v ss v dd a r b a a e i 0 1 13 15 12 14 3 2 13 9 +5v +5v +5v 10m 0.1m 0.1m 10m 8 10 6 4 5 7 photodode array differential current inputs ia ib iri 11 ordering information product order code package rlx a2510 dr so16w rlx a2510 - dice waffle pack typical applications agnd=vdd/2 1v 4v vdd=5v t uu ab 3v pp max input signals requirements ia, ibi : 10 a min / 100 a max. iri:5amin/100a max.
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