cat5133 ? 2008 scillc. all rights reserved. 1 doc. no. md-2125 rev. d characteristics subject to change without notice 16 volt digitally programmable potentiometer (dpp tm ) with 128 taps and an increment decrement interface features ? single linear dpp with 128 taps ? end-to-end resistance of 10k ? , 50k ? or 100k ? ? 2-wire interface ? fast up/down wiper control mode ? non-volatile wiper setting storage ? automatic wiper setting recall at power-up ? digital supply range (v cc ): 2.7v to 5.5v ? analog supply range (v+): +8v to +16v ? low standby current: 15 a ? 100 year wiper setting memory ? industrial temperature range: -40oc to +85oc ? rohs-compliant 10-pin msop package applications ? lcd screen adjustment ? volume control ? mechanical potentiometer replacement ? gain adjustment ? line impedance matching ? vcom settings adjustment for ordering information details, see page 9. block diagram description the cat5133 is a high voltage digital programmable potentiometer (dpp) integrated with eeprom memory and control logic to operate in a similar manner to a mechanical potentiometer. the dpp consists of a series of re sistive elements connected between two externally accessible end points. the tap points between each resistive element are connected to the wiper outputs with cmos switches. a 7-bit wiper control register (wcr ) independently controls the wiper tap switches for the dpp. associated with the control register is a 7-bit nonvolatile memory data register (dr) used for storing the wiper settings. changing the value of the wiper control register or storing that value into the nonvolatile memory is performed via a 3-input increment-decrement interface. the cat5133 comes with 2 voltage supply inputs: v cc (digital supply voltage) input and v+ (analog bias supply) input. providing separate digital and analog inputs allow the potentiometer terminals to be as much as 10 volts above v cc and 16 volts above ground. the cat5133 can be used as a potentiometer or as a two terminal, variable resistor. it is designed for circuit level or system level adjustments in a wide variety of applications. on power-up, the contents of the nonvolatile data register (dr) are transferred to the wiper control register (wcr) and the wiper is positioned to that location. the cat5133 is shipped with the dr programmed to position 64.
cat5133 doc. no. md-2125 rev. d 2 ? 2008 scillc. all rights reserved. characteristics subject to change without notice device operation the cat5133 operates like a digitally controlled potentiometer with r h and r l equivalent to the high and low terminals and r w equivalent to the mechanical potentiometer?s wiper. there are 128 available tap positions including the resistor end points, r h and r l . there are 127 resistor elements connected in series between the r h and r l terminals. the wiper terminal is connected to one of the 128 taps and controlled by three inputs, inc , u/d and cs . these inputs control a 7-bit up/down counter whose output is decoded to select the wiper position. the selected wiper position can be stored in nonvolatile memory using the inc and cs inputs. with cs set low the cat5133 is selected and will respond to the u/d and inc inputs. high to low transitions on inc will increment or decrement the wiper (depending on the state of the u/d input and 7-bit counter). the wiper, when at either fixed terminal, acts like its mechanical equivalent and does not move beyond the last position. the value of the counter is stored in nonvolatile memory whenever cs transitions high while the inc input is also high. when the cat5133 is powered-down; the last stored wiper counter position is maintained in the nonvolatile memory. when power is rest ored, the contents of the memory are recalled and the counter is set to the value stored. with inc set low, the cat5133 may be de-selected and powered down without storing the current wiper position in nonvolatile memory. this allows the system to always power up to a preset value stored in nonvolatile memory. operation modes inc cs u/d operation high to low low high wiper toward h high to low low low wiper toward l high low to high x store wiper position low low to high x no store, return to standby x high x standby pin configuration msop package (gz) pin descriptions pin name function 1 u/d up/down data input ? determines the direction of movement of the wiper 2 gnd ground 3 v cc logic supply voltage (2.7v to 5.5v) 4 cs chip select ? the chip is selected when the input is low. 5 n/c no connect 6 r h high reference terminal for the potentiometer 7 r w wiper terminal for the potentiometer 8 r l low reference terminal for the potentiometer 9 v + analog bias voltage input (+8.0v to +16.0v) 10 inc increment input ? moves the wiper in the direction determined by the up/down input on each negative edge
cat5133 ? 2008 scillc. all rights reserved. 3 doc. no. md-2125 rev. d characteristics subject to change without notice power-on and potentiometer characteristics the cat5133 is a 128-position, digital controlled potentiometer. when applying power to the cat5133, v cc must be supplied prior to or simultaneously with v+. at the same time, the signals on r h , r w and r l terminals should not exceed v+. if v+ is applied before v cc , the electronic switches of the dpp are powered in the absence of the switch c ontrol signals, that could result in multiple switches being turned on. this causes unexpected wiper settings and possible current overload of the potentiometer. when v cc is applied, the device turns on at the mid- point wiper location (64) until the wiper register can be loaded with the nonvolatile memory location previously stored in the device. after the nonvolatile memory data is loaded into the wiper register the wiper location will change to the previously stored wiper position. at power-down, it is recommended to turn-off first the signals on r h , r w and r l , followed by v+ and, after that, v cc , in order to avoid unexpected transitions of the wiper and uncontrolled current overload of the potentiometer. the end-to-end nominal resistance of the potentio- meter has 128 contact points linearly distributed across the total resistor. each of these contact points is addressed by the 7 bit wiper register which is decoded to select one of these 128 contact points. each contact point generates a linear resistive value between the 0 position and the 127 position. these values can be determined by dividing the end-to-end value of the potentiometer by 127. the 10k ? potentiometer has a resistance of ~79 ? ?between each wiper position. however in addition to the ~79 ? ?? for each resistive segment of t he potentiometer, a wiper resistance offset must be considered. table 8 shows the effect of this value and how it would appear on the wiper terminal. this offset will appear in each of the cat5133 end-to- end resistance values in the same way as the 10k ? ? example. however resistance between each wiper position for the 50k ? ? version will be ~395 ? and for the100k ? ? version will be ~790 ? . potentiometer resistance and wiper resistance offset effects position typical r w to r l resistance for 10k ? dpp 0 70 ? or 0 ? + 70 ? 01 149 ? or 79 ? + 70 ? 63 5,047 ? or 4,977 ? + 70 ? 127 10,070 ? or 10,000 ? + 70 ? position typical r w to r h resistance for 10k ? dpp 00 10,070 ? or 10,000 ? + 70 ? 64 5,047 ? or 4,977 ? + 70 ? 126 149 ? or 79 ? + 70 ? 127 70 ? or 0 ? + 70 ? absolute maximum ratings (1) parameters ratings units temperature under bias -55 to +125 c storage temperature -65 to +150 c voltage on any u/d , inc ,& cs pins with respect to v cc (2) -0.3 to +v cc +0.3 v voltage on r h , r l , & r w pins with respect to v cc v+ v v cc with respect to ground -0.3 to +6.0 v v+ with respect to ground -0.3 to +16.5 v wiper current 6 ma lead soldering temperature (10 seconds) +300 c notes: (1) stresses above those listed under ?absolut e maximum ratings? may cause permanent dam age to the device. these are stress rat ings only, and functional operation of the device at these or any ot her conditions outside of those lis ted in the operational sectio ns of this specification is not implied. exposure to any absolute maximum rating for extended pe riods may affect device performance and re liability. (2) latch-up protection is provided for stresses up to 100ma on the digital from -0.3v to v cc +0.3v.
cat5133 doc. no. md-2125 rev. d 4 ? 2008 scillc. all rights reserved. characteristics subject to change without notice recommended operating conditions v cc = +2.7v to +5.5v v+ = +8.0v to +16.0v operating temperature range: -40c to +85c potentiometer characteristics (over recommended operating conditions unless otherwise stated.) limits symbol parameter test conditions min typ max units r pot potentiometer resistance (10k ? ) 10 k ? r pot potentiometer resistance (50k ? ) (7) 50 k ? r pot potentiometer resistance (100k ? ) (7) 100 k ? r tol potentiometer resistance tolerance 20 % power rating 25oc 50 mw i w wiper current 3 ma i w = +1ma @ v+ = 12v 70 150 ? r w wiper resistance i w = +1ma @ v+ = 8v 110 200 ? v term voltage on r w , r h or r l gnd = 0v; v+ = 8v to 16v gnd v+ v res resolution 0.78 % a lin absolute linearity (2) v w(n)(actual) - v w(n)(expected) (5), (6) 1 lsb (4) r lin relative linearity (3) v w(n+1) - [v w(n) +lsb] (5), (6) 0.5 lsb (4) tc rpot temperature coefficient of r pot (1) 300 ppm/c tc ratio ratiometric temperature coefficient (1) 30 ppm/c c h /c l /c potentiometer capacitances (1) 10/10/25 pf fc frequency response r pot = 50k ? 0.4 mhz notes: (1) this parameter is tested initially and after a design or process change that affects the parameter. (2) absolute linearity is utilized to determine actual wiper vo ltage versus expected voltage as determined by wiper position wh en used as a potentiometer. (3) relative linearity is utilized to de termine the actual change in voltage between two successive tap positions when used as a potentiometer. (4) lsb = (r hm - r lm )/127; where r hm and r lm are the highest and lowest measur ed values on the wiper terminal. (5) n = 1, 2, ..., 127. (6) v + @ r h ; 0v @ r l ; v w measured @ r w , with no load. (7) contact factory for availabilit y on this version of the cat5133.
cat5133 ? 2008 scillc. all rights reserved. 5 doc. no. md-2125 rev. d characteristics subject to change without notice dc electrical characteristics v cc = +2.7v to +6.0v, unless otherwise specified. symbol parameter test conditions min max units i cc1 power supply current v cc = 5.5v, f inc = 1mhz, input = gnd 1 ma i cc2 power supply current nonvolatile write v cc = 5.5v, f inc = 1mhz, input = gnd 3.0 ma i sb(vcc) standby current (v cc = 5v) v in = gnd or v cc , inc = vcc 5 a i sb(v+) v+ standby current v cc = 5v, v+ = 16v 10 a i li input leakage current v in = gnd to v cc 10 a i lo output leakage current v out = gnd to v cc 10 a v il input low voltage -1 v cc x 0.3 v v ih input high voltage v cc x 0.7 v cc + 1.0 v v ol1 output low voltage (v cc = 3.0v) i ol = 3 ma 0.4 v capacitance t a = 25oc, f = 1.0mhz, v cc = 5.0v symbol parameter test conditions min max units c i/o input/output capacitance (sda) v i/o = 0v (1) 8 pf c in input capacitance (a0, a1, scl) v in = 0v (1) 6 pf power up timing (1)(2) symbol parameter min max units t pur power-up to read operation 1 ms t puw power-up to write operation 1 ms wiper timing symbol parameter min max units t wrpo wiper response time after power supply stable 5 10 s t wrl wiper response time after instruction issued 5 10 s write cycle limits symbol parameter min max units t wr write cycle time 5 ms reliability characteristics (over recommended operating conditions unless otherwise stated.) symbol parameter reference test method min max units n end (1) endurance mil-std-883, test method 1033 100,000 cycles/byte t dr (1) data retention mil-std-883, test method 1008 100 years notes: (1) this parameter is tested initially and after a design or process change that affects the parameter. (2) t pur and t puw are the delays required from the time v cc is stable until the specified operation can be initiated.
cat5133 doc. no. md-2125 rev. d 6 ? 2008 scillc. all rights reserved. characteristics subject to change without notice a.c. operationg characteristics v cc = +2.5v to +6.0v, v h = v cc , v l = 0v, unless otherwise specified . symbol parameter min typ (1) max units t ci cs to inc setup 100 ns t di u/d to inc setup 50 ns t id u/d to inc hold 100 ns t il inc low period 250 ns t ih inc high period 250 ns t ic inc inactive to cs inactive 1 s t cph cs deselect time (no store) 100 ns t cph cs deselect time (store) 10 ms t iw inc to vout change 1 5 s t cyc inc cycle time 1 s t r , t f (2) inc input rise and fall time 500 s t pu (2) power-up to wiper stable 1 ms t wr store cycle 5 10 ms a.c. timing notes: (1) typical values are for t a =25oc and nominal supply voltage. (2) this parameter is periodically sampled and not 100% tested. (3) mi in the a.c. timing diagram refers to the minimum incr emental change in the w output due to a change in the wiper positio n.
cat5133 ? 2008 scillc. all rights reserved. 7 doc. no. md-2125 rev. d characteristics subject to change without notice typical performance characteristics resistance betw een r w and r l 0.000 2.000 4.000 6.000 8.000 10.000 12.000 0 163248648096112128 tap position r wl (kohm) vcc= 2.7v; v+=8v vcc=5.5v; v+=16v absolute linearity error per tap position -1.000 -0.800 -0.600 -0.400 -0.200 0.000 0.200 0.400 0.600 0.800 1.000 0 163248648096112128 tap position a lin error (lsb) vcc=2.7v; v+=8v vcc=5.5v ; v+=16v tam b = 2 5 c rtotal = 10k relative line arity error -0.500 -0.400 -0.300 -0.200 -0.100 0.000 0.100 0.200 0.300 0.400 0.500 0 16 3 2 4 8 64 8 0 96 112 128 tap position r lin error (lsb) vcc=2.7v; v+=8v vcc=5.5v ; v+=16v tam b = 2 5 o c rtotal = 10k 0 50 100 150 200 250 300 350 400 -50 -30 -10 10 30 50 70 90 110 130 i cc2 (nv write) vs temperature i cc2 (nv write) vs temperature i cc2 ( a) temperature (oc) vcc = 2.7v vcc = 5.5v
cat5133 doc. no. md-2125 rev. d 8 ? 2008 scillc. all rights reserved. characteristics subject to change without notice package outline drawing msop 10-lead 3.0 x 3.0mm (z) (1)(2) notes: (1) all dimensions are in millimeters. angles in degrees. (2) complies with jedec specification mo-187. for current tape and reel information, download the pdf file from: http://www.catsemi.com/documents/tapeandreel.pdf. e1 e a2 a1 e b d c a top view side view end view l1 l2 l detail a detail a symbol min nom max a1.10 a1 0.00 0.05 0.15 a2 0.75 0.85 0.95 b0.17 0.27 c0.13 0.23 d 2.90 3.00 3.10 e 4.75 4.90 5.05 e1 2.90 3.00 3.10 e 0.50 bsc l 0.40 0.60 0.80 l1 0.95 ref l2 0.25 bsc 0o 8o
cat5133 ? 2008 scillc. all rights reserved. 9 doc. no. md-2125 rev. d characteristics subject to change without notice example of ordering information (1) ordering part number notes: (1) all packages are rohs-compliant (lead-free, halogen-free). (2) the standard lead finish is nipdau. (3) the device used in the above example is a cat51 33zi-10-gt3 (msop, industrial temperature range, 10k ? , nipdau, tape & reel, 3,000/reel). (4) for additional package and temperatur e options, please contact your neares t on semiconductor sales office. cat5133zi-10-gt3 cat5133zi-50-gt3 (4) CAT5133ZI-00-GT3 (4) prefix device # suffix cat 5133 z i -10 ?g t3 company id product number 5133 temperature range i = industrial (-40oc to 85oc) resistance -10: 10k ? -50: 50k ? (4) -00: 100k ? (4) lead finish g: nipdau package z: msop t: tape & reel 3: 3,000/reel for product top mark codes, click here: http://www.catsemi.com/techsupport/producttopmark.asp
cat5133 on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to make changes with out further notice to any products herein. scillc make s no warranty, representa tion or guarantee regarding the suitability of its products for any pa rticular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including wi thout limitation special, consequential or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different application s and actual performance may vary over time. all operating parameters, including ?typicals? must be validated for each customer application by customer's technical experts. sci llc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly o r indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that scillc was negligent regarding the design or manufact ure of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws and is not for resale in any manner. publication ordering information literature fulfillment: literature distribution ce nter for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone: 303-675-2175 or 800-344-3860 toll free usa/canada fax: 303-675-2176 or 800-344-3867 toll free usa/canada email: orderlit@onsemi.com n. american technical support : 800-282-9855 toll free usa/canada europe, middle east and africa technical support: phone: 421 33 790 2910 japan customer focus center: phone: 81-3-5773-3850 on semiconductor website: www.onsemi.com order literature: http://www.onsemi.com/orderlit for additional information, please contact your local sales representative doc. no. md-2125 rev. d 10 ? 2008 scillc. all rights reserved. characteristics subject to change without notice revision history date rev. description 28-apr-06 a initial issue 03-nov-06 b update ordering information 14-mar-08 c update package outline drawing add md- to document number add link to top mark codes 21-nov-08 d change logo and fine print to on semiconductor
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