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| encoder products Analog Interpolators RLXA2510 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 ri sin cos Description The monolithic CMOS integrated circuit Vss -Iri +Iri A0 A1 RI out E A out 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Vdd -Ia -Ib +Ia +Ib Cs B out Agnd 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 7 27 k E A1 A0 5 4 Vdd 16 Vdd VSS Agnd CS -Ia, +Ia -Ib, +Ib -Iri, +Iri A0, A1, E A, B Ri Power supply ( + ) Power supply ( - ) Analog ground output - Ia + Ia 15 13 27 k 27 k - Ib 14 12 27 k Analog ground input Sine wave inputs Cosine wave inputs Reference impuls inputs Logical inputs Digital quadrature outputs RESISTER NETWORK & 27 k 8 OUTPUT LOGIC BUFFER 10 6 + Ib A B Ri KOMPARATORS - Iri + Iri 2 3 27 k Vdd R Cs 11 R Vss Reference digital output RLX A2510DR 9 Agnd 1 Vss 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 Analog Interpolators RLXA2510 Electrical characteristic Absolute maximum ratings Parameter Supply voltage Power dissipation Operating temp. range Storage temp. range Soldering temp.(Vapor phase reflow for 30 s) Symbol VDD PO TO T stg Tsol Min - 0,3 Max 12 0.1 Unit V W 0 0 0 - 25 - 55 100 150 235 C C C All voltages are referenced to Vss = 0V Working conditions Parameter Supply voltage Supply current Input current Input current Input frequency Output volt. level at VDD= 5V and IOUT = 10mA Raise / fall time A, B Raise / fall time Ri Symbol VDD IDD Ia, Ib Iri fin VOH VOL t r, t f t r, t f Min 4 10 4 Typ 5 4.5 Max 6 100 100 200 Unit V mA A A k Hz V V ns ns 4.6 0.5 20 30 All voltages are referenced to VSS = 0V Timing diagram Ia Ib Iri Ri A1 B1 Ri A2 B2 Ri A5 B5 Ri A10 B10 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 Analog Interpolators Logical input truth table Interpolation factor x1 x2 * RLXA2510 A0 0 1 A1 0 0 Ri position 45 deg. electrical * 135 deg. electrical E 0 1 x5 1 1 x10 0 1 * ( Set as default) Note : All logical inputs are internally pull - up with 100 kW resistors. Physical dimensions SO16W H Min. A B C D E F G H I 0.5 2.44 45 10.10 1.27 0.36 7.40 10.11 2.34 Max. 10.41 0.46 7.60 10.51 2.64 1 Units mm mm mm mm mm mm Deg. mm 1 A B C F G I DICE description Bond pad Center Coordinates (mm) 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 17 18 16 15 14 13 19 D E mm 12 11 20 10 21 22 RLXA2510 9 8 23 1 2 3 4 5 6 7 Important : The dice back plane must be conneced to the Vdd All dimensions are in mm and are referenced to the center of the E pad. The coordinates are referenced to the centers of pads. The E pad is 535 mm to the right and 183 mm above the lower left scribe corner. Pad size = 100 x 100 mm. Chip size = 3035 x 4160 mm. 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 Analog Interpolators Ordering information Product order code RLX A2510 DR RLX A2510 - dice Package SO16W Waffle pack RLXA2510 Typical applications Single Ended Voltage Inputs +5V UA UB Input signals requirements Ua Ub Uri +5V +5V 0.1m 0.1m 10m 13 15 12 14 3 2 13 9 +I a -I a +I b -I b Vdd A B Ri 8 10 6 Vdd=5V 4V 3Vpp max Agnd=Vdd/2 +I ri RLX A2510DR -I ri A0 Agnd Cs Vss A1 E 4 5 7 1V t 10m 11 Differential Current inputs +5V Photodode Array Ia 13 +I a 15 -I a Ib 12 +I b 14 Vdd A B Ri 8 10 6 Ia, Ibi : 10 A min / 100 A max. Iri : 5 A min / 100 A max. Iri 3 2 13 9 +5V +5V 11 -I b +I ri RLX A2510DR -I ri A0 Agnd Cs Vss A1 E 4 5 7 0.1m 0.1m 10m 10m 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 |
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