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ic-pt 2613 6-ch. phased array opto encoder (26-1250) rev a3, page 1/ 10 features ? monolithic photodiode array with excellent signal matching ? very compact size for small encoders ? moderate track pitch for relaxed assembly tolerances ? low noise signal ampli?ers with high emi tolerance ? single-pin programming of 3 operating modes: analog, digital, and x2 interpolation ? ungated/gated z index signal (1 t, 0.5 t) ? complementary outputs: a, b, z and na, nb, nz ? u, v, w commutation signals, analog and digital ? all outputs +/- 4 ma push-pull, current-limited and short-circuit-proof ? led power control with 40 ma high-side driver ? single 3.5 v to 5.5 v operation, low power consumption ? operating temperature range of -40 to +85 c (optional -40 to +120 c) ? suitable code disc: pt6s 26-1250 (glass) od ? 26.0 mm, id ? 11.6 mm, optical radius 11.0 mm, 1250 ppr and 4 ppr commutation (90) applications ? incremental encoder ? bldc motor commutation packages optoqfn32-5x5 5 mm x 5 mm x 0.9 mm block diagram copyright ? 2011 ic-haus http://www.ichaus.com p r e l i m i n a r y p r e l i m i n a r y
ic-pt 2613 6-ch. phased array opto encoder (26-1250) rev a3, page 2/ 10 description ic-pt 2613 is an optical sensor ic with integrated photosensors whose signals are converted into volt- ages by low-noise transimpedance ampli?ers. pre- cise voltage comparators with hysteresis are used to generate the digital signals, supplied to the output pins via differential +/- 4 ma push-pull drivers. the built-in led power control with its 40 ma driver stage permits a direct connection of the encoder led. regardless of aging or changes in temperature the received optical power is kept constant. an exter- nal resistor presets the photocurrent operating point and thus the desired illumination level. selection input sel chooses for three different op- erating modes: regular a/b operation, a/b operation with 2-fold interpolation, or analog operation. with analog operation the ampli?ed signal voltages are available at the outputs for inspection and monitoring encoder assembly. typical applications of ic-pt devices are incremental encoders for motor feedback and commutation. to this end, device version ic-pt 2613 provides differ- ential a/b tracks and a differential index track, each consisting of multiple photo sensors. the layout of the signal ampli?ers is such that there is an excellent paired channel matching, eliminating the needs for signal calibration in most cases. additionally, three more tracks are provided to gener- ate motor commutation information for the u, v and w outputs, for instance with 90 degree phase shift to operate 4-phase brushless motors (period count and phase shift can be varied by the code disc applied). p r e l i m i n a r y p r e l i m i n a r y
ic-pt 2613 6-ch. phased array opto encoder (26-1250) rev a3, page 3/ 10 packages pad layout chip size 2.88 mm x 3.37 mm pad functions no. name function see pin con?guration. pin configuration oqfn32-5x5 (5 mm x 5 mm) pin functions no. name function 1 vcc +3.5..5.5 v supply voltage 2 led led controller, high-side current source output 3 pa push-pull output a+ / test sig. sin+ 4 na push-pull output a- / test sig. sin- 5 pb push-pull output b+ / test sig. cos+ 6 nb push-pull output b- / test sig. cos- 7 pz push-pull output z+ / test signal z+ 8 nz push-pull output z- / test signal z- 9..16 n.c. 17 sel op. mode selection input: lo = digital hi = x2 interpolated open = analog (alignment aid) 18 w push-pull output w / test signal w 19 tin negative test current input 20 v push-pull output v / test signal v 21 tip positive test current input 22 u push-pull output u / test signal u 23 n.c. 24 gnd ground 25..32 n.c. bp backside paddle pin numbers marked n.c. are not in use. the backside paddle is not intended as an electrical connection point; when used as shield a single link to gnd is permissible. the test pins tip and tin may remain unconnected. capacitive pin loads must be avoided when using the analog test signals for alignment purposes. p r e l i m i n a r y p r e l i m i n a r y 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
ic-pt 2613 6-ch. phased array opto encoder (26-1250) rev a3, page 4/ 10 package dimensions maximum molding excess +20 m / -200 m versus surface of glass. all dimensions given in mm. p r e l i m i n a r y p r e l i m i n a r y 5 5 1.90 3.24 top 0.90 0.30 side 3.60 3.60 0.50 0.23 0.40 bottom 3.60 3.60 0.50 0.30 4.90 4.90 r 0.15 0.70 recommended pcb-footprint dra_pt33xx-oqfn32-2_pack_1, 10:1
ic-pt 2613 6-ch. phased array opto encoder (26-1250) rev a3, page 5/ 10 absolute maximum ratings these ratings do not imply operating conditions; functional operation is not guaranteed. beyond these ratings device damage may occur. item symbol parameter conditions unit no. min. max. g001 vcc supply voltage -0.3 6 v g002 i(vcc) current in vcc -20 20 ma g003 v() voltage at output pins pa, na, pb, nb, pz, nz, u, v, w -0.3 vcc + 0.3 v g004 i() current in output pins pa, na, pb, nb, pz, nz, u, v, w -20 20 ma g005 v() voltage at led -0.3 vcc + 0.3 v g006 i() current in led -120 20 ma g007 v() voltage at tip, tin, sel -0.3 vcc + 0.3 v g008 i() current in tip, tin, sel -20 20 ma g009 vd() esd susceptibility, all pins hbm, 100 pf discharged through 1.5 k
2 kv g010 tj junction temperature -40 150 c g011 ts chip-storage temperature range -40 150 c thermal data item symbol parameter conditions unit no. min. typ. max. t01 ta operating ambient temperature range (extended range on request) -40 85 c t02 ts permissible storage temperature range -40 85 c t03 tpk soldering peak temperature tpk < 20 s, convection re?ow 245 c tpk < 20 s, vapor phase soldering 230 c msl 5a (max. ?oor live 24 h at 30 c and 60 % rh); please refer to customer information ?le no. 7 for details. all voltages are referenced to ground unless otherwise stated. all currents ?owing into the device pins are positive; all currents ?owing out of the device pins are negative. p r e l i m i n a r y p r e l i m i n a r y
ic-pt 2613 6-ch. phased array opto encoder (26-1250) rev a3, page 6/ 10 electrical characteristics operating conditions: vcc = 3.5...5.5 v, tj = -40...125 c, led = r = 740 nm, unless otherwise noted item symbol parameter conditions unit no. min. typ. max. total device 001 vcc permissible supply voltage 3.5 5.5 v 002 i(vcc) supply current in vcc no load, photocurrents within op. range 3 10 ma 003 vc()lo clamp-voltage lo at all pins i() = -4 ma, versus gnd -1.2 -0.3 v 004 vc()hi clamp-voltage hi at all pins i() = 4 ma 11 v 005 vc()hi clamp-voltage hi at led, pa, na, pb, nb, pz, nz, u, v, w i() = 4 ma, versus vcc 0.3 1.2 v 006 vc()hi clamp-voltage hi at sel, tip, tin i() = 4 ma, versus vcc 0.7 2.2 v photosensors 101 ar spectral application range se( ar) = 0.25 x s( )max 400 950 nm 102 pk peak sensitivity wavelength 680 nm 103 aph() radiant sensitive area pa, pb, na, nb (sum of segments) 0.0825 mm 2 u, v, w (per segment) 0.0845 mm 2 pz, nz (sum of segments) 0.047 mm 2 104 s( r) spectral sensitivity led = 740 nm 0.5 a/w 105 s( )max maximum spectral sensitivity led = pk 0.55 a/w 106 e()mxpk permissible irradiance led = pk, vout() < vout()mx; pa, pb, na, nb 1.9 mw/ cm 2 u, v, w 1.3 mw/ cm 2 pz, nz 2.5 mw/ cm 2 photocurrent ampli?ers 201 iph() permissible photocurrent operating range 0 550 na 202 ()r photo sensitivity (light-to-voltage conversion ratio) for pa, pb, na, nb 0.1 0.3 0.5 v/w for pz, nz, u, v, w 0.2 0.4 0.6 v/w 203 z() equivalent transimpedance gain z = vout() / iph(), tj = 27 c; for pa, pb, na, nb 0.56 0.75 1 m
for pz, nz, u, v, w 0.66 1.0 1.36 m
204 tcz temperature coef?cient of tran- simpedance gain -0.12 %/c 205 z()pn transimpedance gain matching sel open, p vs. n path per diff. channel -0.2 0.2 % 206 vout() dark signal matching of a, b sel open, output vs. output -8 8 mv 207 vout() dark signal matching of u, v, w sel open, output vs. output -12 12 mv 208 vout() dark signal matching of a, b, z, u, v, w sel open, any output vs. any output -24 24 mv 209 vout()pn dark signal matching sel open, p vs. n path per diff. channel -2.5 2.5 mv 211 fc()hi cut-off frequency (-3 db) 400 khz analog outputs pa, na, pb, nb, pz, nz, u, v, w 301 vout()mx maximum output voltage illumination to e()mxpk 1.04 1.27 1.8 v 302 vout()d dark signal level load 100 k
vs. +2 v 640 770 985 mv 303 vout()acmx maximum signal level vout()acmx = vout()mx - vout()d 0.3 0.5 0.75 v 304 isc()hi short-circuit current hi sel open, load current to ground 100 1800 3000 a 305 isc()lo short-circuit current lo sel open, load current to ic 20 40 200 a 306 ri() internal output resistance f = 1 khz 250 750 2250
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ic-pt 2613 6-ch. phased array opto encoder (26-1250) rev a3, page 7/ 10 electrical characteristics operating conditions: vcc = 3.5...5.5 v, tj = -40...125 c, led = r = 740 nm, unless otherwise noted item symbol parameter conditions unit no. min. typ. max. comparators 401 vt()hi upper comparator threshold iph()p x z()p > iph()n x z()n, 5 12 25 mv resp. iph()p x z()p > internal vref 402 vt()lo lower comparator threshold iph()p x z()p < iph()n x z()n, 5 12 25 mv resp. iph()p x z()p < internal vref 403 vt()hys comparator hysteresis vt()hys = vt()hi - vt()lo 10 24 50 mv led power control 501 iop() permissible led output current -40 0 ma 502 vs()hi saturation voltage hi vs()hi = vcc - v(led); i() = -40 ma 0.25 0.5 1 v 503 isc()hi short-circuit current hi v() = 0 v -150 -50 ma digital outputs pa, na, pb, nb, pz, nz, u, v, w 601 vs()lo saturation voltage lo vcc = 4.5...5.5 v, i() = 4ma, tj = 70 c 0.4 v 602 vs()lo saturation voltage lo vcc = 4.5...5.5 v, i() = 4ma, tj = 85 c 0.5 v 603 vs()lo saturation voltage lo vcc = 3.5...4.5 v, i() = 4ma 0.6 v 604 isc()lo short-circuit current lo v() = vcc 7 70 ma 605 vs()hi saturation voltage hi vs()hi = vcc - v(), i() = -4 ma; vcc = 4.5...5.5 v 0.4 v 606 vs()hi saturation voltage hi vs()hi = vcc - v(), i() = -4 ma; vcc = 3.5...4.5 v 0.6 v 607 isc()hi short-circuit current hi v() = 0 v -70 -7 ma selection input sel 701 vt1()hi upper threshold voltage hi for a/b mode with x2 interpolation 78 80 82 %vcc 702 vt1()lo upper threshold voltage lo for a/b mode with x2 interpolation 68 70 72 %vcc 703 vt1()hys upper threshold hysteresis vt1()hys = vt1()hi - vt1()lo 8 10 12 %vcc 704 vt2()hi lower threshold voltage hi for a/b mode 28 30 32 %vcc 705 vt2()lo lower threshold voltage lo for a/b mode 18 20 22 %vcc 706 vt2()hys lower threshold hysteresis vt2()hys = vt2()hi - vt2()lo 8 10 12 %vcc 707 v0() pin-open voltage for analog mode 45 50 55 %vcc 708 rpd() pull-down resistor sel to gnd, v(sel) = vcc 70 100 140 k
709 rpu() pull-up resistor vcc to sel, v(sel) = 0 v 70 100 140 k
710 vpd() pull-down voltage vs. vcc/2 vpd() = v() - vcc/2; i() = 0...5 a 0.5 v 711 vpu() pull-up voltage vs. vcc/2 vpu() = v() - vcc/2; i() = -5...0 a -0.5 v test circuit inputs tip, tin 801 i()test permissible test current range test mode active 10 600 a 802 v()test test pin voltage test mode active, i() = 200 a 1.25 1.5 1.75 v 803 ipd() test pin pull-down current test mode not active, v() = 0.4 v 60 100 160 a 804 ipd() test pin pull-down current v() = vcc 0.7 2 3 ma 805 it()on test mode activation threshold 80 130 190 a 806 cr() test mode current ratio i()/iph() test mode active, i() = 200 a 1500 3000 5000 power-on-reset circuit 901 vccon turn-on threshold vcc (power-on release) increasing voltage at vcc 2.6 3.45 v 902 vccoff turn-off threshold vcc (power-down reset) decreasing voltage at vcc 1.4 2.4 v 903 vcchys threshold hysteresis vcchys = vccon - vccoff 50 170 300 mv p r e l i m i n a r y p r e l i m i n a r y
ic-pt 2613 6-ch. phased array opto encoder (26-1250) rev a3, page 8/ 10 z index signal figure 1: ungated z index signal at x1 interpolation (sel = lo; t1 open) figure 2: t gated z index signal at x2 interpolation (sel = hi; t1 open) figure 3: b gated z index signal at x1 interpolation (sel = lo; t1 = lo) p r e l i m i n a r y p r e l i m i n a r y t t/4 t/4 t/4 t/4 p a pb pz gnd t1 sel ic-ptxxxx gnd sel vcc t1 ic-ptxxxx p a pb pz t t/4 t/4 t/4 t/4 gnd t1 sel t t/4 t/4 t/4 t/4 p a pb pz ic-ptxxxx
ic-pt 2613 6-ch. phased array opto encoder (26-1250) rev a3, page 9/ 10 figure 4: b gated z index signal at x2 interpolation (sel = hi; t1 = lo) application circuits for encoder circuit examples, refer to the data sheet of ic-pt3313, available separately. ic-haus expressly reserves the right to change its products and/or speci?cations. an info letter gives details as to any amendments and additions made to the relevant current speci?cations on our internet website www.ichaus.de/infoletter ; this letter is generated automatically and shall be sent to registered users by email. copying C even as an excerpt C is only permitted with ic-haus approval in writing and precise reference to source. ic-haus does not warrant the accuracy, completeness or timeliness of the speci?cation and does not assume liability for any errors or omissions in these materials. the data speci?ed is intended solely for the purpose of product description. no representations or warranties, either express or implied, of merchantability, ?tness for a particular purpose or of any other nature are made hereunder with respect to information/speci?cation or the products to which information refers and no guarantee with respect to compliance to the intended use is given. in particular, this also applies to the stated possible applications or areas of applications of the product. ic-haus conveys no patent, copyright, mask work right or other trade mark right to this product. ic-haus assumes no liability for any patent and/or other trade mark rights of a third party resulting from processing or handling of the product and/or any other use of the product. as a general rule our developments, ips, principle circuitry and range of integrated circuits are suitable and speci?cally designed for appropriate use in technical applications, such as in devices, systems and any kind of technical equipment, in so far as they do not infringe existing patent rights. in principle the range of use is limitless in a technical sense and refers to the products listed in the inventory of goods compiled for the 2008 and following export trade statistics issued annually by the bureau of statistics in wiesbaden, for example, or to any product in the product catalogue published for the 2007 and following exhibitions in hanover (hannover-messe). we understand suitable application of our published designs to be state-of-the-art technology which can no longer be classed as inventive under the stipulations of patent law. our explicit application notes are to be treated only as mere examples of the many possible and extremely advantageous uses our products can be put to. p r e l i m i n a r y p r e l i m i n a r y gnd sel vcc t1 ic-ptxxxx p a pb pz t t/4 t/4 t/4 t/4
ic-pt 2613 6-ch. phased array opto encoder (26-1250) rev a3, page 10/ 10 ordering information type package options order designation IC-PT2613 32-pin optoqfn, 5 mm x 5 mm, 0.9 mm thickness glass lid IC-PT2613 oqfn32-5x5 encoder disc 1250 ppr +4 ppr, od/id ? 26.0/11.6 mm, glass pt6s 26-1250 for technical support, information about prices and terms of delivery please contact: ic-haus gmbh tel.: +49 (61 35) 92 92-0 am kuemmerling 18 fax: +49 (61 35) 92 92-192 d-55294 bodenheim web: http://www.ichaus.com germany e-mail: sales@ichaus.com appointed local distributors: http://www.ichaus.com/sales_partners p r e l i m i n a r y p r e l i m i n a r y

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