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slcs140 ? december 2002 1 post office box 655303 ? dallas, texas 75265 controlled baseline ? one assembly/test site, one fabrication site extended temperature performance of ?40 c to 125 c enhanced diminishing manufacturing sources (dms) support enhanced product change notification qualification pedigree ? ? component qualification in accordance with jedec and industry standards to ensure reliable operation over an extended temperature range. this includes, but is not limited to, highly accelerated stress test (hast) or biased 85/85, temperature cycle, autoclave or unbiased hast, electromigration, bond intermetallic life, and mold-compound life. such qualification testing should not be viewed as justifying use of this component beyond specified performance and environmental limits. fast response times strobe capability maximum input bias current . . . 300 na maximum input offset curren t...70 na can operate from single 5-v supply description/ordering information the lm211 is a single high-speed voltage comparator. this device is designed to operate from a wide range of power-supply voltages, including 15-v supplies for operational amplifiers and 5-v supplies for logic systems. the output levels are compatible with most ttl and mos circuits. this comparator is capable of driving lamps or relays and switching voltages up to 50 v at 50 ma. all inputs and outputs can be isolated from system ground. the outputs can drive loads referenced to ground, v cc+ or v cc? . offset balancing and strobe capabilities are available, and the outputs can be wired-or connected. if the strobe is low, the output is in the off state, regardless of the differential input. ordering information t a v io max at 25 c package ? orderable part number top-side marking ?40 c to 125 c 3 mv soic ? d tape and reel lm211qdrep lm211e ? package drawings, standard packing quantities, thermal data, symbolization, and pcb design guidelines are available at www.ti.com/sc/package. please be aware that an important notice concerning availability, standard warranty, and use in critical applications of texas instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. copyright ? 2002, texas instruments incorporated 1 2 3 4 8 7 6 5 emit out in+ in? v cc? v cc+ col out bal/strb balance lm211 ...d p ackage (top view)
slcs140 ? december 2002 2 post office box 655303 ? dallas, texas 75265 functional block diagram bal/strb col out in ? in+ balance emit out + ? schematic all resistor values shown are nominal. bal/strb balance in+ in ? 450 ? 450 ? 2.4 k ? 1.2 k ? 70 ? 2.4 k ? 1.2 k ? 60 ? 400 ? 450 ? 2 k ? 200 ? 250 ? 600 ? 130 ? 4 ? 4 k ? v cc+ v cc ? emit out col out 750 ? 600 ? component count resistors 20 diodes 2 epi fet 1 transistors 22
slcs140 ? december 2002 3 post office box 655303 ? dallas, texas 75265 absolute maximum ratings over operating free-air temperature range (unless otherwise noted) ? supply voltage: v cc+ (see note 1) 18 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v cc ? (see note 1) ? 18 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v cc+ ? v cc ? 36 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . differential input voltage, v id (see note 2) 30 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . input voltage, v i (either input, see notes 1 and 3) 15 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . voltage from emitter output to v cc ? 30 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . voltage from collector output to v cc ? 50 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . duration of output short circuit (see note 4) 10 s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . junction temperature, t j 148 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . package thermal impedance, ja (see note 5) 97 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . storage temperature range, t stg ? 65 c to 150 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ? stresses beyond those listed under ? absolute maximum ratings ? may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under ? recommended operating conditions ? is not implied. exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. notes: 1. all voltage values, unless otherwise noted, are with respect to the midpoint between v cc+ and v cc ? . 2. differential voltages are at in+ with respect to in ? . 3. the magnitude of the input voltage must never exceed the magnitude of the supply voltage or 15 v, whichever is less. 4. the output may be shorted to ground or either power supply. 5. the package thermal impedance is calculated in accordance with jesd 51-7. recommended operating conditions min max unit v cc+ ? v cc ? supply voltage 3.5 30 v v i input voltage (|v cc | 15 v) v cc ? +0.5 v cc+ ? 1.5 v t a operating free-air temperature range ? 40 125 c
slcs140 ? december 2002 4 post office box 655303 ? dallas, texas 75265 electrical characteristics at specified free-air temperature, v cc = 15 v (unless otherwise noted) parameter test conditions t a ? min typ ? max unit v inp t offset oltage see note 6 25 c 0.7 3 mv v io input offset voltage see note 6 full range 4 mv i inp t offset c rrent see note 6 25 c 4 10 na i io input offset current see note 6 full range 20 na i inp t bias c rrent v 1vto14v 25 c 75 100 na i ib input bias current v o = 1 v to 14 v full range 150 na i il(s) low-level strobe current (see note 7) v (strobe) = 0.3 v, v id ? 10 mv 25 c ? 3 ma v icr common-mode input voltage range full range 13 to ? 14.5 13.8 to ? 14.7 v a vd large-signal differential voltage amplification v o = 5 v to 35 v, r l = 1 k ? 25 c 40 200 v/mv i high le el (collector) o tp t leakage c rrent i (strobe) = ? 3 ma, v oh = 35 v, 25 c 0.2 10 na i oh high-level (collector) output leakage current i (strobe) = 3 ma , v id = 5 mv v oh = 35 v , full range 0.5 a i ol = 50 ma v id = ? 5 mv 25 c 0.75 1.5 v ol low-level (collector-to-emitter) output voltage v cc+ = 4.5 v, v cc ? = 0, i ol = 8 ma v id = ? 6 mv full range 0.23 0.4 v i cc+ supply current from v cc+ , output low v id = ? 10 mv, no load 25 c 5.1 6 ma i cc ? supply current from v cc ? , output high v id = 10 mv, no load 25 c ? 4.1 ? 5 ma ? unless otherwise noted, all characteristics are measured with balance and bal/strb open and emit out grounded. full range for lm211q is ? 40 c to 125 c. ? all typical values are at t a = 25 c. notes: 6. the offset voltages and offset currents given are the maximum values required to drive the collector output up to 14 v or down to 1 v with a pullup resistor of 7.5 k ? to v cc+ . these parameters actually define an error band and take into account the worst-case effects of voltage gain and input impedance. 7. the strobe should not be shorted to ground; it should be current driven at ? 3 ma to ? 5 ma (see figures 13 and 27). switching characteristics, v cc = 15 v, t a = 25 c parameter test conditions typ unit response time, low-to-high-level output r c 500 ? to5v c l 5 p f see note 8 115 ns response time, high-to-low-level output r c = 500 ? to 5 v, c l = 5 pf, see note 8 165 ns note 8: the response time specified is for a 100-mv input step with 5-mv overdrive and is the interval between the input step function and the instant when the output crosses 1.4 v.
slcs140 ? december 2002 5 post office box 655303 ? dallas, texas 75265 typical characteristics ? note a: condition 1 is with balance and bal/strb open. condition 2 is with balance and bal/strb connected to v cc+ . figure 1 10 8 4 2 0 18 6 ? 60 ? 40 ? 20 0 204060 ? input offset current ? na 14 12 16 input offset current vs free-air temperature 20 80 100 120 140 t a ? free-air temperature ? c i io condition 2 condition 1 lm211 lm211 v cc = 15 v v o = 1 v to 14 v see note a note a: condition 1 is with balance and bal/strb open. condition 2 is with balance and bal/strb connected to v cc+ . figure 2 250 200 100 50 0 450 150 ? 60 ? 40 ? 20 0 20 40 60 ? input bias current ? na 350 300 400 500 80 100 120 140 i ib input bias current vs free-air temperature t a ? free-air temperature ? c lm211 condition 2 v cc = 15 v v o = 1 v to 14 v see note a lm211 condition 1 ? data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of the various dev ices.
slcs140 ? december 2002 6 post office box 655303 ? dallas, texas 75265 typical characteristics ? 30 20 10 0 ? 1 ? 0.5 0 ? output voltage ? v 40 50 voltage transfer characteristics 60 0.5 1 v o v id ? differential input voltage ? mv v id v cc+ = 30 v 1 k ? output v cc ? v i = 50 v v id v cc+ = 30 v 600 ? v cc ? output collector output transfer characteristic test circuit for figure 3 emitter output transfer characteristic test circuit for figure 3 collector output r l = 1 k ? lm211 emitter output r l = 600 ? v cc + = 30 v v cc ? = 0 t a = 25 c figure 3 ? data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of the various dev ices.
slcs140 ? december 2002 7 post office box 655303 ? dallas, texas 75265 typical characteristics figure 4 4 3 1 0 0 50 100 150 200 250 5 t ? time ? ns 300 350 2 differential input voltage ? output voltage ? v v o output response for various input overdrives 100 mv 20 mv 2 mv 5 mv v cc = 15 v r c = 500 ? to 5 v t a = 25 c figure 5 4 3 1 0 0 50 100 150 200 250 5 t ? time ? ns output response for various input overdrives 300 350 2 differential input voltage ? output voltage ? v v o 20 mv 5 mv 2 mv 100 mv v cc = 15 v r c = 500 ? to 5 v t a = 25 c v id v cc+ = 15 v 500 ? v o v cc ? = ? 15 v test circuit for figures 4 and 5 5 v
slcs140 ? december 2002 8 post office box 655303 ? dallas, texas 75265 typical characteristics figure 6 5 0 ? 10 ? 15 0 0.2 0.4 0.6 0.8 1.0 10 t ? time ? s 1.2 1.4 ? 5 differential input voltage ? output voltage ? v v o output response for various input overdrives 15 1.6 1.8 20 mv 100 mv 2 mv 5 mv v cc = 15 v r e = 2 k ? to ? 15 v t a = 25 c figure 7 t ? time ? s output response for various input overdrives differential input voltage ? output voltage ? v v o 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 5 0 ? 10 ? 15 10 ? 5 15 20 mv v cc = 15 v r e = 2 k ? to ? 15 v t a = 25 c 2 mv 5 mv 100 mv v id v cc+ = 15 v r e = 2 k ? v o v cc ? = ? 15 v test circuit for figures 6 and 7
slcs140 ? december 2002 9 post office box 655303 ? dallas, texas 75265 typical characteristics figure 8 60 40 20 0 0510 80 100 120 15 v cc = 15 v t 10 s v id = ? 10 mv t a = 25 c v o ? output voltage ? v 140 160 300 200 100 0 ? output dissipation ? mw 400 500 600 p o 700 800 output current and dissipation vs output voltage p o (right scale) i o (left scale) i o ? output current and dissipation ? ma figure 9 3 2 1 0 0510 4 5 6 15 t a = 25 c no load v cc+ ? positive supply voltage ? v v id = ? 10 mv positive supply current vs positive supply voltage i cc+ ? positive supply current ? ma v id = 10 mv ? 3 ? 2 ? 1 0 0 ? 5 ? 10 ? 4 ? 5 ? 6 ? 15 negative supply current vs negative supply voltage v cc ? ? negative supply voltage ? v i cc ? ? negative supply current ? ma v id = 10 mv or ? 10 mv t a = 25 c no load figure 10
slcs140 ? december 2002 10 post office box 655303 ? dallas, texas 75265 application information figure 11 through figure 29 show various applications for the lm211 comparator. figure 11. 100-khz free-running multivibrator v cc+ 39 k ? 1200 pf 20 k ? 1 k ? 10 k ? 20 k ? square-wave output (fanout to two series 54 gates, or equivalent) note: if offset balancing is not used, the balance and bal/strb pins should be shorted together. figure 12. offset balancing 3 k ? 3 k ? v cc+ balance bal/ strb figure 13. strobing 1 k ? bal/strb ttl strobe 2n2222 figure 14. zero-crossing detector v cc+ input v cc ? 20 k ? output
slcs140 ? december 2002 11 post office box 655303 ? dallas, texas 75265 application information ? resistor values shown are for a 0-to-30-v logic swing and a 15-v threshold. ? may be added to control speed and reduce susceptibility to noise spikes 5 v 1 k ? 240 k ? 82 k ? 47 k ? 82 k ? output to ttl input ? ? figure 15. ttl interface with high-level logic figure 16. detector for magnetic transducer 5 v 2 k ? 4.5 k ? 1 k ? magnetic transducer output to ttl figure 17. 100-khz crystal oscillator 0.1 f 50 k ? v cc+ 2 k ? 100 k ? 100 k ? 100 khz output 10 pf
slcs140 ? december 2002 12 post office box 655303 ? dallas, texas 75265 application information figure 18. comparator and solenoid driver input 22 k ? output v cc+ figure 19. strobing both input and output stages simultaneously ? typical input current is 50 pa with inputs strobed off. v cc+ 1 k ? from d/a network 0.1 f sample analog input ? 2n2222 ttl strobe bal/strb balance figure 20. low-voltage adjustable reference supply 500 ? 3.9 k ? 10 k ? 1.5 f + v cc+ output 2n2222 2n3708 1 k ? figure 21. zero-crossing detector driving mos logic 3 k ? 3 k ? v cc+ = 5 v input 10 k ? v cc ? = ? 10 v output to mos bal/ strb balance
slcs140 ? december 2002 13 post office box 655303 ? dallas, texas 75265 application information ? adjust to set clamp level 3.9 k ? 30 k ? ? 1.5 f + v cc+ = 5 v input from ttl 2n2222 2n3708 output 510 ? 1 k ? 1 k ? 2n2222 2n2222 2.2 k ? 1n914 1n914 2.7 k ? figure 22. precision squarer 5 k ? 0.01 f ttl output 1 k ? 1 k ? 1 k ? 100 ? from ttl gate 50 k ? opto isolator 5 v v cc+ = 5 v figure 23. digital transmission isolator 1.5 f + 10 k ? 2 k ? v cc+ = 15 v tl081 output input 1 m ? v cc ? = ? 15 v ? + figure 24. positive-peak detector
slcs140 ? december 2002 14 post office box 655303 ? dallas, texas 75265 application information 15 f + 10 k ? 1 m ? v cc+ = 15 v tl081 output input v cc ? = ? 15 v 2 k ? + ? figure 25. negative-peak detector ? r1 sets the comparison level. at comparison, the photodiode has less than 5 mv across it, decreasing dark current by an order o f magnitude. 2n2222 2n3708 r1 ? 30 k ? 3.9 k ? 1 k ? output to ttl v cc+ = 5 v 1n2175 figure 26. precision photodiode comparator ? transient voltage and inductive kickback protection 2n3708 v cc+ inputs ttl strobe v cc ? ? 1 k ? bal/strb figure 27. relay driver with strobe
slcs140 ? december 2002 15 post office box 655303 ? dallas, texas 75265 application information 300 ? v cc+ v cc ? 100 k ? output 100 k ? 47 ? 10 k ? 620 ? input 0.1 f 300 ? 620 ? 1 2 bal/strb bal/strb figure 28. switching power amplifier v+ 0.22 f 300 k ? 620 ? 1 v cc ? 2 v cc ? 620 ? 620 ? 620 ? 620 ? 620 ? 39 k ? 510 ? 510 ? 15 k ? 15 k ? 39 k ? 300 k ? outputs v cc+ input reference bal/strb bal/strb figure 29. switching power amplifiers
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