? semiconductor components industries, llc, 2013 april, 2013 ? rev. 2 1 publication order number: ncs2220a/d ncs2220a low voltage comparator the ncs2220a is an industry first sub ? one volt, low power dual comparator. this device consumes only 0.85 a per comparator of supply current. it is guaranteed to operate at a low voltage of 0.85 v which allows it to be used in systems that require less than 1.0 v and is fully operational up to 6.0 v. additional features include no output phase inversion with overdriven inputs, internal hysteresis, which allows for clean output switching, and rail ? to ? rail input and output performance. the ncs2220a is available in the tiny udfn 1.6 x 1.6 package. features ? operating voltage of 0.85 v to 6.0 v ? rail ? to ? rail input/output performance ? low supply current of 7.5 a per comparator typ ? no phase inversion with overdriven input signals ? internal hysteresis ? propagation delay of 0.5 s ? these are pb ? free devices typical applications ? single cell nicd/nimh battery powered applications ? cellular telephones ? alarm and security systems ? personal digital assistants udfn8 1.6 x 1.6 mu suffix case 517ac http://onsemi.com device package shipping ? ordering information ncs2220amut1g udfn8 (pb ? free) 3000/ tape & reel 1 8 ?for information on tape and reel specifications, including part orientation and tape sizes, please refer to our tape and reel packaging specification brochure, brd8011/d. cz m 1 cz = specific device code m = date code = pb ? free package (note: microdot may be in either location) marking diagrams
ncs2220a http://onsemi.com 2 1 3 v cc in+1 2 in ? 1 out1 6 in ? 2 7 8 out2 figure 1. pin connections top view 4 v ee 5 in+2 note: the ncs2220a has three exposed pads on the bottom side which may be used to reduce thermal resistance by soldering to a copper heat ? spreader. electrically the exposed pads must be allowed to float. 2220a maximum ratings rating symbol value unit supply voltage range (v cc to v ee ) v s 6.0 v non ? inverting/inverting input to v ee ? ? 0.2 to (v cc + 0.2) v operating junction temperature t j 150 c operating ambient temperature t a ? 40 to +105 c storage temperature range t stg ? 65 to +150 c output short circuit duration time (note 1) t s indefinite s esd tolerance (note 2) human body model machine model ? 2000 200 v thermal resistance, junction ? to ? ambient udfn r ja 350 c/w stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above t he recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may af fect device reliability. 1. the maximum package power dissipation limit must not be exceeded. p d t j(max) t a r ja 2. esd data available upon request.
ncs2220a http://onsemi.com 3 electrical characteristics (for all values v cc = 0.85 v to 6.0 v, v ee = 0 v, t a = 25 c, unless otherwise noted.) (note 3) characteristics symbol min typ max unit input hysteresis t a = 25 c v hys 2.0 4.5 20 mv input offset voltage v cc = 0.85 v t a = 25 c t a = ? 40 c to 105 c v cc = 3.0 v t a = 25 c t a = ? 40 c to 105 c v cc = 6.0 v t a = 25 c t a = ? 40 c to 105 c v io ? 10 ? 12 ? 6.0 ? 8.0 ? 5.0 ? 7.0 0.5 ? 0.5 ? 0.5 ? +10 +12 +6.0 +8.0 +5.0 +7.0 mv common mode voltage range v cm ? v ee to v cc ? v output short ? circuit sourcing or sinking i sc ? 60 ? ma common mode rejection ratio v cm = v cc cmrr 53 70 ? db input bias current i ib ? 1.0 ? pa power supply rejection ratio v s = 2.575 v psrr 45 80 ? db supply current per comparator v cc = 0.85 v t a = 25 c t a = ? 40 c to 105 c v cc = 3.0 v t a = 25 c t a = ? 40 c to 105 c v cc = 6.0 v t a = 25 c t a = ? 40 c to 105 c i cc ? ? ? 7.5 ? 8.0 ? 9.0 ? 15 17 15 17 15 17 a output voltage high v cc = 0.85 v, i source = 0.5 ma t a = 25 c t a = ? 40 c to 105 c v cc = 3.0 v, i source = 3.0 ma t a = 25 c t a = ? 40 c to 105 c v cc = 6.0 v, i source = 5.0 ma t a = 25 c t a = ? 40 c to 105 c v oh v cc ? 0.25 v cc ? 0.275 v cc ? 0.3 v cc ? 0.35 v cc ? 0.3 v cc ? 0.35 v cc ? 0.12 ? v cc ? 0.12 ? v cc ? 0.17 ? ? ? ? v output voltage low v cc = 0.85 v, i sink = 0.5 ma t a = 25 c t a = ? 40 c to 105 c v cc = 3.0 v, i sink = 3.0 ma t a = 25 c t a = ? 40 c to 105 c v cc = 6.0 v, i sink = 5.0 ma t a = 25 c t a = ? 40 c to 105 c v ol ? ? ? v ee + 0.10 ? v ee + 0.12 ? v ee + 0.12 ? v ee + 0.25 v ee + 0.275 v ee + 0.3 v ee + 0.35 v ee + 0.3 v ee + 0.35 v propagation delay 20 mv overdrive, c l = 15 pf t phl t plh ? ? 0.5 0.5 ? ? s output fall time v cc = 6.0 v, c l = 50 pf (note 4) t fall ? 20 ? ns output rise time v cc = 6.0 v, c l = 50 pf (note 4) t rise ? 16 ? ns 3. the limits over the extended temperature range are guaranteed by design only. 4. input signal: 1 khz, squarewave signal with 10 ns edge rate.
ncs2220a http://onsemi.com 4 1000 100 10 1.0 0.1 40 60 20 0 80 100 120 140 160 10 100 1.0 1000 ? 50 10 50 7.0 25 ? 25 i cc , supply current ( a) 6.0 frequency (khz) figure 1. supply current versus temperature/comparator figure 2. supply current versus output transition frequency/comparator i cc , supply current ( a) 0 12 10 8.0 6.0 3.0 2.0 4.0 2.0 0 1.0 4.0 5.0 6.0 figure 3. supply current versus supply voltage/comparator v cc , supply voltage (v) figure 4. output voltage high state versus output source current i source , output source current (ma) v cc ? v oh , output voltage high state (mv) i cc , supply current ( a) figure 5. output voltage low state versus output sink current i sink , output sink current, (ma) figure 6. output voltage low state versus temperature t a , ambient temperature ( c) v ol , output voltage low state (mv) v ol , output voltage low state (mv) 12 0.01 0.1 1.0 10 0.01 10 300 ? 100 50 0 100 ? 50 150 t a , ambient temperature ( c) 8.0 9.0 11 75 100 1000 100 10 1.0 0.1 0.01 0.1 1.0 10 t a = 25 c t a = ? 40 c t a = 85 c 100 0.1 1.0 t a = 25 c v cc = 5.0 v v cc = 2.7 v 0 v cc = 5.0 v v cc = 5.0 v t a = 25 c v cc = 5.0 v t a = 25 c v cc = 5.0 v i load = 4.0 ma
ncs2220a http://onsemi.com 5 500 300 600 200 400 0 700 0.5 ? 100 4.93 50 4.90 0 ? 50 v oh , output voltage high state (mv) 4.88 v cc , supply voltage (v) figure 7. output voltage high state versus temperature output response time (ns) 1.2 1.0 0.8 0.6 0.4 0.2 0 input overdrive (mv) propagation delay ( s) 4.95 0 3.0 6.0 0 150 100 50 200 0.3 0.6 0.2 0.4 0 0.7 0.8 v cc = 5.0 v t a = 25 c t plh t a , ambient temperature ( c) 4.89 4.91 4.92 4.94 100 150 100 t phl 0.1 0 150 100 50 200 v cc = 2.7 v t a = 25 c t plh t phl input overdrive (mv) propagation delay ( s) t a = 25 c input overdrive = 100 mv t lh t hl 1.0 2.0 4.0 5.0 v cc output 10 s/div input overdrive = 50 mv figure 8. propagation delay versus temperature figure 9. output response time versus supply voltage figure 10. propagation delay versus input overdrive figure 11. propagation delay versus input overdrive figure 12. powerup delay ? 50 50 0.2 0 ? 25 propagation delay ( s) 0 1.0 t a , ambient temperature ( c) 0.4 0.6 0.8 75 100 25 t phl t plh v cc = 5.0 v i load = 4.0 ma v cc = 5.0 v input overdrive = 50 mv 2 v/div
ncs2220a http://onsemi.com 6 1.0 1.0 4.0 ? 1.0 3.0 2.0 v cm , input common mode voltage range (v) ? 3.0 figure 13. input common mode voltage range versus supply voltage 3.0 v s , supply voltage (v) ? 2.0 0 2.0 5.0 6.0 t a = 25 c operating description the ncs2220a is an industry first sub ? one volt, low power comparator. this device is designed for rail ? to ? rail input and output performance. this device consumes only 7.5 a/comparator of supply current while achieving a typical propagation delay of 0.5 s at a 20 mv input overdrive. figures 10 and 11 show propagation delay with various input overdrives. this comparator is guaranteed to operate at a low voltage of 0.85 v up to 6.0 v. this is accomplished by the use of a modified analog cmos process that implements depletion mosfet devices. the common ? mode input voltage range extends 0.1 v beyond the upper and lower rail without phase inversion or other adverse ef fects. this device has a typical internal hysteresis of 8.0 mv. this allows for greater noise immunity and clean output switching. output stage the ncs2220a has a complementary p and n channel output stage that has capability of driving a rail ? to ? rail output swing with a load ranging up to 5.0 ma. it is designed such that shoot ? through current is minimized while switching. this feature eliminates the need for bypass capacitors under most circumstances. figure 14. ncs2220a complementary output configuration v cc v ee output in (+) in ( ? )
ncs2220a http://onsemi.com 7 figure 15. schmitt trigger oscillator v cc out in (+) in ( ? ) r x c x v o r 2 r 1 f 1 t 1 2.2 r x c x the oscillation frequency can be programmed as follows: v cc out in (+) in ( ? ) v o in (+) in ( ? ) r 1 1 m 1 m r 2 100 pf t 0 r 3 c 1 v cc t 0 t 1 0 the resistor divider r 1 and r 2 can be used to set the magnitude of the input pulse. the pulse width is set by adjusting c 1 and r 3 . figure 16. one ? shot multivibrator
ncs2220a http://onsemi.com 8 v cc out in (+) in ( ? ) out in (+) in ( ? ) +5 v 100 k +3 v logic output figure 17. logic level translator 100 mv figure 18. zero ? crossing detector 100 k +5 v logic input this circuit converts 5 v logic to 3 v logic. using the ncs2220/a allows for full 5 v logic swing without creating overvoltage on the 3 v logic input.
ncs2220a http://onsemi.com 9 package dimensions udfn8, 1.6x1.6, 0.4p case 517ac ? 01 issue a notes: 1. dimensioning and tolerancing per asme y14.5m, 1994. 2. controlling dimension: millimeters. 3. dimension b applies to plated terminal and is measured between 0.25 and 0.30 mm from terminal. 4. coplanarity applies to the exposed pad as well as the terminals. 5. exposed pads connected to die flag. used as test contacts. a b e d d2 e2 bottom view b e 8x 0.10 b 0.05 a c c k 8x note 3 2x 0.10 c pin one reference top view 2x 0.10 c 8x a a1 (a3) 0.08 c 0.10 c c seating plane side view l 8x 1 4 5 8 dim min nom max millimeters a 0.45 0.50 0.55 a1 0.00 0.03 0.05 a3 0.127 ref b 0.15 0.20 0.25 d 1.60 bsc d2 0.70 0.80 0.90 e 1.60 bsc e2 0.40 0.50 0.60 e 0.40 bsc k 0.20 ??? ??? l 0.20 0.30 0.40 (a3) *for additional information on our pb ? free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. soldering footprint* mm inches scale 20:1 0.902 0.0355 0.924 0.0364 0.490 0.0193 0.400 0.0157 pitch 0.502 0.0197 0.200 0.0079 on semiconductor and are registered trademarks of semiconductor co mponents industries, llc (scillc). scillc owns the rights to a numb er of patents, trademarks, copyrights, trade secrets, and other intellectual property. a list ing of scillc?s product/patent coverage may be accessed at ww w.onsemi.com/site/pdf/patent ? marking.pdf. scillc reserves the right to make changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and s pecifically disclaims any and all liability, including without 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 applications and actual performance may vary over time. all operating parame ters, including ?typicals? must be validated for each customer application by customer?s technical experts. scillc does not convey any license under its patent rights nor the right s of others. scillc products are not designed, intended, or a uthorized 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 whic h the failure of the scillc product could create a situation where personal injury or death may occur. should buyer purchase or us e scillc products for any such unintended or unauthorized appli cation, 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 or indirectly, any claim of personal injury or death associated with such unin tended or unauthorized use, even if such claim alleges that scil lc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyrig ht laws and is not for resale in any manner. publication ordering information 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 ? 5817 ? 1050 ncs2220a/d literature fulfillment : literature distribution center 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 on semiconductor website : www.onsemi.com order literature : http://www.onsemi.com/orderlit for additional information, please contact your local sales representative
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