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lt1017/lt1018 1 10178ff typical application description micropower dual comparator the lt ? 1017/lt1018 are general purpose micropower comparators. the lt1017 is optimized for lowest operat- ing power while the lt1018 operates at higher power and higher speed. both devices can operate from a single 1.1v cell up to 40v. the output stage includes a class b pull- up current source, eliminating the need for an external resistive pull-up and saving power. the output stage is also designed to allow driving loads connected to a supply more positive than the device, as can comparators with open-collector output stages. input speci? cations are also excellent. on-chip trimming minimizes offset voltage, while high gain and common mode rejection ratio keep other input referred errors low. common mode voltage range includes ground. special circuitry prevents false output states even if the input is overdriven. the lt1017/lt1018 are pin compatible with older dual comparators such as 393 type devices. 1.5v powered refrigerator alarm l , lt, ltc and ltm are registered trademarks of linear technology corporation. all other trademarks are the property of their respective owners. features applications n maximum offset voltage: 1mv n maximum bias current: 15na n typical output drive: 70ma n operates from 1.1v to 40v n internal pull-up current n output can drive loads above v + n 30a supply current (lt1017) 110a supply current (lt1018) n available in 8-lead pdip, 8-lead plastic s0, and 16-lead plastic so packages n power supply monitors n relay driving n oscillators supply current 3 665k 1% 52.3k 1% output high for0c t 5c 280k 1% ysi 44011 258.3k at 5c333.1k at 0c 665k 1% v + 1.5v 1 8 2 C + 1/2 lt1017 5 7 4 1017/18 ta01 6 C + 1/2 lt1017 total supply voltage (v) 12 4 0 supply current (a) 40 80 160 10 20 40 100 1017/18 ta02 120 20 60 140 100 lt1018 outputs low lt1017 outputs low lt1018 outputs high lt1017 outputs high downloaded from: http:///
lt1017/lt1018 2 10178ff absolute maximum ratings supply voltage ......................................................... 40v differential input voltage.......................................... 40v input voltage ............................................. C 0.3v to 40v short-circuit duration .................................... inde? nite storage temperature range .................. C65c to 150c (note 1) 12 3 4 87 6 5 top view Cin aout a v + out b +in a v C +in bCin b s8 package 8-lead plastic so +C b + C a t jmax = 150c, ja = 190c/w 12 3 4 87 6 5 top view output a Cin a+in a v C v + output bCin b +in b n8 package 8-lead pdip + b C + C a t jmax = 150c, ja = 140c/w order part number s8 part marking order part number part marking lt1017cs8 lt1017is8 lt1018cs8 lt1018is8 10171017i 1018 1018i lt1017cn8 lt1017in8 lt1018cn8 top view output b v + output a Cin a Cin b +in b +in a v C 8 7 6 5 3 2 1 4 h package 8-lead to-5 metal can + b C + a C t jmax = 150c, ja = 150c/w, jc = 45c/w obsolete package consider the 8-lead plastic dip package for alternate source top view sw package 16-lead plastic so 12 3 4 5 6 7 8 1615 14 13 12 11 10 9 ncnc out a ?in a+in a v ? ncnc ncnc v + out b?in b +in b nc nc + b ? + ? a t jmax = 150c, ja = 130c/w order part number part marking order part number part marking lt1017mh lt1017ch lt1018mh lt1018ch lt1017csw lt1018csw order options tape and reel: add #tr lead free: add #pbf lead free tape and reel: add #trpbf lead free part marking: http://www.linear.com/leadfree/ *the temperature grade is identi? ed by a label on the shipping container. consult ltc marketing for parts speci? ed with wider operating temperature ranges. package/order information operating temperature range lt1017m/lt1018m ......................... C55c to 125c lt1017c/lt1018c ................................. 0c to 70c lt1017i/lt1018i ............................... C40c to 85c lead temperature (soldering, 10 sec) ................. 300c downloaded from: http:///
lt1017/lt1018 3 10178ff electrical characteristics the l denotes the speci? cations which apply over the full operating temperature range of C 55c to 85c for m grade parts, C40c to 85c for i grade parts and 0c to 70c for c grade parts. parameter conditions min lt1017 typ max min lt1018 typ max units offset voltage (note 2) 0.75v v s 20v 25c 125c 0.40.5 1 1.4 5 0.40.5 0.7 1 1.41.5 mvmv mv bias current 0.75v v s 20v 25c 125c 57 10 1525 60 1518 75 100110 nana na offset current 0.75v v s 20v 25c 125c 0.40.5 23 20 1 1.6 8 1220 nana na common mode rejection ratio v s = 20v, C20v v cm 19.1v 25c 125c 105100 82 115115 100 105100 95 115115 110 dbdb db power supply rejection ratio 0.75v v s 20v 25c 125c 9695 82 110105 9695 86 110105 100 dbdb db gain no load, v out = 19.9v (note 3) 25c 125c 110105 100 115115 110105 100 125120 dbdb db r l = 4k, v out = 19v 25c 100 94 110 100 94 110 db db output sink current v + = 4.5v, v C = 0v overdrive > 30mv 25c 125c 3025 10 6550 20 3525 10 7050 30 mama ma output source current v + = 40v, v C = 0v v in = 5mv, v out = 0.4v 25c 125c 3025 25 7570 75 7550 50 250220 200 aa a v + = 1.2v, v C = 0v v in = 5mv, v out = 0.4v 25c 125c 2515 25 3520 40 7045 40 140120 110 aa a negative output saturation i out = 0ma v + = 4.5v, v C = 0v = 0.1ma v in = C10mv = 1ma= 10ma = 30ma 25c25c 25c 25c 25c 5 3560 120350 2060 120200 600 5 3560 120350 1560 120250 700 mvmv mv mv mv i out = 0ma v + = 4.5v, v C = 0v = 0.1ma v in = C10mv = 1ma= 10ma = 30ma 5 4075 150600 2075 150300 900 8 3570 150500 2070 150300 900 mvmv mv mv mv i out = 0ma v + = 4.5v, v C = 0v = 0.1ma v in = C10mv = 1ma= 10ma = 30ma 125c125c 125c 125c 125c 2560 100300 50 100200 600 1060 110300 900 40 100200 400 mvmv mv mv mv positive output saturation i out = 0a = 10a= 0a = 10a = 0a = 10a 25c25c 125c125c 40 175 45 190 50 80 250 90 300100 300 35 175 45 190 50 80 250 90 300100 300 mvmv mv mv mv mv downloaded from: http:///
lt1017/lt1018 4 10178ff electrical characteristics the l denotes the speci? cations which apply over the full operating temperature range of C 55c to 85c for m grade parts, C40c to 85c for i grade parts and 0c to 70c for c grade parts. parameter conditions min lt1017 typ max min lt1018 typ max units leakage current v s = 5v, v out = 40v v in 100mv 25c 125c 0.50.6 33 5 1 1.8 8 1015 aa a supply current v s = 5v 25c 125c 3040 6080 80 110110 250250 300 aa a v s = 40v 25c 125c 4055 90 100100 130140 250270 300 aa a minimum operating voltage i out = 1ma 25c 125c 1.151.15 1.15 1.21.2 1.2 vv v note 1: stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. exposure to any absolute maximum rating condition for extended periods may affect device reliability and lifetime. note 2: offset voltage is guaranteed over a common mode voltage range of v C v in (v + C 0.9v). note 3: no load gain is guaranteed but not tested (lt1017 only). downloaded from: http:///
lt1017/lt1018 5 10178ff typical performance characteristics input bias current with inputs driven below the supply common mode limits supply current positive supply current npn output saturation voltage output sinking current limit input bias current input offset current bias current vs differential input temperature (c) 0 1 10 100 50 100 25 75 125 1017/18 g01 input bias current (na) C50 C25 150 lt1018 v cm = v C lt1017 v cm = v C lt1018 v cm = v + C 1v lt1017 v cm = v + C 1v i bias reverses polarity temperature (c) C50 input offset current (na) 2.0 2.5 3.0 25 75 1017/18 g02 1.5 1.0 C25 0 50 100 125 0.5 0 lt1018lt1017 differential input voltage (v) C20 bias current (na) 10 0 0.2 1017/18 g03 50 C0.2 C0.1 0.1 15 20 20 lt1018 + i b lt1017 + i b lt1018 C i b lt1017 C i b common mode voltage (v) 0.1 input bias current (a) 10 100 0.2 C0.6 C1.0 1017/18 g04 0.01 C0.2 v C C0.8 C0.4 1 125c 85c 25c temperature (c) C50 C25 25 50 75 common mode voltage (v) v C 150 1017/18 g05 C0.4C0.8 0 100 125 v + C0.4C0.2 C1.0C0.6 C0.6C0.8 v cm high v cm low v os = 0.5mv voltages are referred to supplies temperature (c) C50 C25 25 50 75 supply current (a) 80 150 1017/18 g06 40 0 0 100 125 160 60 100 20 140120 v supply = 20v lt1018 outputs low lt1017 outputs low lt1017 outputs high lt1018 outputs high output sink current (ma) 0.1 10 positive supply current (a) 100 1000 10000 1 10 100 1017/18 g07 lt1018 lt1017 sink current (ma) saturation voltage (mv) 1000 1017/18 g08 10 100 0.01 100 10 1 0.1 0.001 125c C55c 25c total supply voltage (v) 1 0 output current limit (ma) 20 40 60 80 10 100 1017/18 g09 100 output shorted to v + lt1018 lt1017 downloaded from: http:///
lt1017/lt1018 6 10178ff typical performance characteristics transition time positive transition time lt1017 response time lt1017 response time lt1018 response time lt1018 response time output sinking current limit total switching time output delay temperature (c) C50 0 output current limit (ma) 40 100 0 50 75 1017/18 g10 20 80 60 C25 25 100 125 150 output shorted to v + lt1018 v s = 5v lt1017 v s = 5v lt1018 v s = 40v lt1017 v s = 40v temperature (c) 0 1 10 100 50 100 1017/18 g11 total switching time (s) C50 25 75 125 C25 150 r l = 47k (lt1018) r l = 200k (lt1017) v out = 90% v final v overdrive = 5mv lt1017 fall lt1018 fall lt1017 rise lt1018 rise overdrive (mv) 0.1 1 delay time (s) 10 100 1 10 100 1017/18 g12 lt1017fall lt1018fall lt1017 rise lt1018 rise v out = 10% v final total supply voltage (v) 10 1 10 100 20 30 1017/18 g13 transition time (s) 0 40 10% v final v out 90% v final v overdrive = 10mv lt1017 rise lt1018 fall lt1017 fall/ lt1018 rise pull-up resistor () transition time (s) 10k 10 1017/18 g14 0.1 1 1m 100k 1k lt1017 v sup = 40v lt1018v sup = 40v lt1018v sup = 2v lt1017 v sup = 2v 10% v final v out 90% v final v overdrive = 10mv 1017/18 g15 v + = 5v v C = 0v v in = 100mv step v overdrive = 10mv v in v out 5s/div r l = 100k r l = 10k r l = 1017/18 g17 v + = 5v v C = 0v v in = C100mv step v overdrive = C10mv v in v out 5s/div 1017/18 g16 v + = 5v v C = 0v v in = 100mv step v overdrive = C10mv v in v out 5s/div r l = 100k r l = 10k r l = 1017/18 g18 v + = 5v v C = 0v v in = C100mv step v overdrive = C10mv v in v out 2s/div 5v0v downloaded from: http:///
lt1017/lt1018 7 10178ff typical applications driving relays increasing positive output current delay on power up lt1018 op amp, a v = 100 lt1017 op amp, a v = 100 4 1017/18 ta03 8 23 5v 12v v in 1 C + lt1017 v in 4 1017/18 ta04 8 32 v + v C 2n3904 1n4148 v out 1 C + lt1017/ lt1018 4 1017/18 ta05 8 1f 100k 32 v + 1 C + lt1017/ lt1018 20k 1k + v in 4 1017/18 ta06 8 32 5v 10k C5v v out 1 r1* C + lt1018 1m r l 10k 15 0.22f r l = 100k bandwidth = 30hzCslew = 320v/ms +slew = 0.93v/ms *with r1 = 1k bandwidth ? 200hz v in 4 1017/18 ta07 8 32 5v 10k C5v v out 1 C + lt1017 1m r l 200k 10k 10 3.3f Cslew = 23.5v/ms+slew = 0.017v/ms bandwidth = 0.3hz at r l = 220k downloaded from: http:///
lt1017/lt1018 8 10178ff typical applications negative voltage regulator 2-wire comparator 4 1017/18 ta08 8 510k 23 lt1004 2.5v 1 C + lt1017/ lt1018 510k 220f v out C5v50ma Cv in C5.2v toC40v 1k 220pf 100k 150pf + 4 8 1n4148 2 4.7k 3 v in 2 1 v supply output C + lt1018 lt1018 only 4 8 0.01f 1n4148 4 4.7k 3 v in 2 1 v supply output C + lt1017/ lt1018 3v v supply 40v 1017/18 ta09 3v v supply 40v downloaded from: http:///
lt1017/lt1018 9 10178ff typical applications 5v power supply monitor precise tri-wave generator 5 36.5k 1% 3k 2.5k 1% output high for4.5v v in 5.5v output validfor v + 1.1v v + 11.2k 1% lt1034 1.235v 7 8 6 C + 1/2 lt1017 3 1 4 1017/18 ta10 2 C + 1/2 lt1017 47k 200k 100k 3k lt1009 2.5v 5 4 8 7 10pf square waveoutput triangle waveoutput 0.5v to 2.5v 1017/18 ta11 6 C + 1/2 lt1018 3 23 1 84 22k 22k 5v 3k 1 2 C + 1/2 lt1018 0.047f 2n3904 C + 1/2 lt1013 downloaded from: http:///
lt1017/lt1018 10 10178ff typical applications power supply monitor 1.5v input flyback regulator 4 0.01f 1017/18 ta12 8 1f 23 v in 330 1n4148 1n4148 1 C + lt1018 160k 100k 120k 390k lt1004 1.2v + v in 6.00v5.25v 5.00v 4.75v led off flash at 1hzflash at 3hz flash at 5hz 4 hp5082-2810 l14.7mh output5v 1017/18 ta13 8 22f 65 1m 365k 1% film 1n4148 120k 56.2k1% film l1: rl1123-4.7-renco, inc80% efficiency at 2ma output 47f 120k 1% film 7 C + 110k 100k 220pf 1.5v 1m 2m 100k 1% film lt10041.2v 1n4148 1/2 lt1018 23 1 C + 1/2 lt1018 + + 0.0022f downloaded from: http:///
lt1017/lt1018 11 10178ff typical applications regulated step-up converter low power* v-to-f converter 1n4148 r1* 910k 100k r2* 120k lt1004 1.2v 1n4148 400mh** 5v 23 200k 1 84 C + 1/2 lt1018 56 7 C + 1/2 lt1018 2000pf 0.1f 100f 1017/18 ta14 output10v 2ma + *v out = 1.2 r1r2 1 + **dale te-5/q3/400mh () 2 1n4148 1n4148 1n4148 0.001f polystyrene 3m 47k 0.1f 3 1 8 220pf output0khz to 1khz 4 6 7 5 + 0.1f 1017/18 ta15 910k 1% full-scale trim 100k 1m 10k 330k 100k *i q ? 350a C + C + 1/2 lt1018 1n4148 9v 1n4148 lt10341.2v 220k 2.2f 2n3904 input 0v to 1v 1/2 lt1018 downloaded from: http:///
lt1017/lt1018 12 10178ff package description h package 8-lead to-5 metal can (.200 inch pcd) (reference ltc dwg # 05-08-1320) obsolete package .050 (1.270) max .016 ? .021** (0.406 ? 0.533) .010 ? .045* (0.254 ? 1.143) seating plane .040 (1.016) max .165 ? .185 (4.191 ? 4.699) gaugeplane referenceplane .500 ? .750 (12.700 ? 19.050) .305 ? .335 (7.747 ? 8.509) .335 ? .370 (8.509 ? 9.398) dia .200 (5.080) typ .027 ? .045 (0.686 ? 1.143) .028 ? .034 (0.711 ? 0.864) .110 ? .160 (2.794 ? 4.064) insulating standoff 45 h8(to-5) 0.200 pcd 0204 lead diameter is uncontrolled between the reference plane and the seating plane for solder dip lead finish, lead diameter is .016 ? .024 (0.406 ? 0.610) * ** pin 1 h p ac k ag e 8 -lead t o -5 metal c an ( .200 inch p c d ) ( reference ltc dwg # 05-08-1320 ) o b so lete pa c ka ge . 0 5 0 ( 1 . 2 7 0) max . 0 1 6 ? . 0 21* * (0. 4 06 ? 0.533 ) . 0 1 0 ? . 0 4 5 * (0.254 ? 1.143 ) s eatin g p lane . 040 ( 1 . 016) max .1 65 ? .1 85 (4.191 ? 4.69 9 ) g a uge plane referen ce plan e .500 ? .750 (12.700 ? 19.050 ) .305 ? . 335 ( 7.747 ? 8.509 ) .33 5 ? . 3 7 0 (8 .5 0 9 ? 9 . 398) di a .200 ( 5. 0 80) typ .0 27 ? . 0 4 5 ( 0.686 ? 1.14 3 ) .028 ? . 034 (0 .7 11 ? 0 . 864 ) .110 ? .16 0 ( 2.794 ? 4.064) i n su latin g s tand o ff 4 5 h 8(to-5) 0.200 pcd 020 4 lead diameter i s u n co ntr o lled between the referen c e plane and the s eatin g plan e f o r so lder dip lead fini s h , lead diameter i s .0 1 6 ? . 0 2 4 ( 0.406 ? 0.610 ) * ** p in 1 downloaded from: http:///
lt1017/lt1018 13 10178ff package description n8 package 8-lead pdip (narrow .300 inch) (reference ltc dwg # 05-08-1510) n 8 1002 .065 (1.651) typ .045 ? .065 (1.143 ? 1.651) .130 .005 (3.302 0.127) .020 (0.50 8 ) min .01 8 .003 (0.457 0.076) .120 (3.04 8 ) min 12 3 4 8 76 5 .255 .015* (6.477 0.3 8 1) .400* (10.160) max .00 8 ? .015 (0.203 ? 0.3 8 1) .300 ? .325 (7.620 ? 8 .255) .325 +.035?.015 +0. 88 9 ?0.3 8 1 8 .255 () note:1. dimensions are inches millimeters *these dimensions do not include mold flash or protrusions. mold flash or protrusions shall not exceed .010 inch (0.254mm) .100 (2.54) bsc downloaded from: http:///
lt1017/lt1018 14 10178ff package description s8 package 8-lead plastic small outline (narrow .150 inch) (reference ltc dwg # 05-08-1610) .016 ? .050 (0.406 ? 1.270) .010 ? .020 (0.254 ? 0.50 8 ) 45 0 ? 8 typ .00 8 ? .010 (0.203 ? 0.254) so 8 0303 .053 ? .069 (1.346 ? 1.752) .014 ? .019 (0.355 ? 0.4 8 3) typ .004 ? .010 (0.101 ? 0.254) .050 (1.270) bsc 1 2 3 4 .150 ? .157 (3. 8 10 ? 3.9 88 ) note 3 8 7 6 5 .1 8 9 ? .197 (4. 8 01 ? 5.004) note 3 .22 8 ? .244 (5.791 ? 6.197) .245 min .160 .005 recommended solder pad layout .045 .005 .050 bsc .030 .005 typ inches (millimeters) note:1. dimensions in 2. drawing not to scale3. these dimensions do not include mold flash or protrusions. mold flash or protrusions shall not exceed .006" (0.15mm) downloaded from: http:///
lt1017/lt1018 15 10178ff information furnished by linear technology corporation is believed to be accurate and reliable. however, no responsibility is assumed for its use. linear technology corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. package description sw package 16-lead plastic small outline (wide .300 inch) (reference ltc dwg # 05-08-1620) s16 (wide) 0502 note 3 .39 8 ? .413 (10.109 ? 10.490) note 4 16 15 14 13 12 11 10 9 1 n 23 4 5 6 7 8 n/2 .394 ? .419 (10.007 ? 10.643) .037 ? .045 (0.940 ? 1.143) .004 ? .012 (0.102 ? 0.305) .093 ? .104 (2.362 ? 2.642) .050 (1.270) bsc .014 ? .019 (0.356 ? 0.4 8 2) typ 0 ? 8 typ note 3 .009 ? .013 (0.229 ? 0.330) .005 (0.127) rad min .016 ? .050 (0.406 ? 1.270) .291 ? .299 (7.391 ? 7.595) note 4 45 .010 ? .029 (0.254 ? 0.737) inches (millimeters) note:1. dimensions in 2. drawing not to scale 3. pin 1 ident, notch on top and cavities on the bottom of packages are the manufacturing options. the part may be supplied with or without any of the options 4. these dimensions do not include mold flash or protrusions. mold flash or protrusions shall not exceed .006" (0.15mm) .420 min .325 .005 recommended solder pad layout .045 .005 n 1 2 3 n/2 .050 bsc .030 .005 typ downloaded from: http:///
lt1017/lt1018 16 10178ff linear technology corporation 1630 mccarthy blvd., milpitas, ca 95035-7417 (408) 432-1900 fax: (408) 434-0507 www.linear.com ? linear technology corporation 2008 lt 0208 rev f printed in usa related parts typical application fully isolated limit comparator part number description comments lt1011/lt1011a voltage comparators improved lt111a, 0.5mv v os(max) , 25na i b(max) , 3na i os(max) , 250ns t pd(max) lt1020 micropower regulator and comparator 40a i supply , 125ma i out , 2.5v reference voltage ltc1040 dual micropower comparator 1.5w (1sample/second), 0.5mv v os(max) , rail-to-rail input lt1120/lt1120a micropower regulator with comparator and shutdown 20a i supply , 125ma i out , 2.5v reference voltage lt319a dual comparators 0.5mv v os(max) , 25ma i out , 80ns t pd lt1671 single supply ground sensing comparator 450a i supply , 60ns t pd , 0.8mv v os lt1716 micropower, 44v, sot-23 ground sensing comparator input common mode range extends from C5v to 44v from negative supply 23 1 8 lt10041.2v 300k trip adjust 3k 1f 100f trwpc-550-32 4 C + 1/2 lt1018 input + 1k 5v 100k 100 10k 20k all gates 74c02 2n3906 2n3904 interrogate pulse 500s 2n3906 interrogate pulse output pulse v in > v trip no output pulse for v in < v trip 4.7k 200pf output + downloaded from: http:///

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