the information in this document is subject to change without notice. before using this document, please confirm that this is the latest version. not all products and/or types are available in every country. please check with an nec electronics sales representative for availability and additional information. bipolar analog integrated circuit pc311 precision voltage comparator data sheet document no. g15945ej4v0ds00 (4th edition) date published march 2004 n cp(k) printed in japan the mark shows major revised points. 1987 description the pc311 is a voltage comparator that has input currents more than a hundred times lower than devices like conventional standard type of 710. it is also designed to operate over a wide range of supply voltages; from 15 v op amp supplies down to the single 5 v supply used for ic logic. its output is compatible with hnil, dtl and ttl as well as mos circuits. features ? operate from single 5 v supply ? maximum input current: 250 na ? maximum offset current: 50 na ? fast transient response: 200 ns typ. ordering information part number package pc311c 8-pin plastic dip (7.62 mm (300)) pc311g2 8-pin plastic sop (5.72 mm (225)) equivalent circuit (1/2 circuit) balance 5 r 1 300 r 3 1.3 k r 4 1.3 k r 5 100 d 1 r7 3.7 k r 6 3.7 k r 8 780 r 11 340 r 14 1.3 k d 2 r 15 1.3 k r 13 250 r 18 5.4 k r 17 800 r 16 900 i n 2 3 i i q 5 q 12 q 13 q 23 d 3 7 8 v out gnd v 1 4 q 21 q 14 q 10 q 16 q 17 q 9 q 4 q 7 q 6 q 2 q 8 q 11 q 15 q 20 q 19 q 18 q 22 q 24 q 1 q 3 r 9 800 r 10 800 r 12 3.0 k r 20 5.0 k r 21 200 r 19 300 r 22 600 r 23 300 r 2 6 balance/ strobe ? + + ? pin configuration (top view) pc311c, 311g2 1 2 3 4 8 7 6 5 gnd i n i i v ? v + + ? output balance/ strobe balance
data sheet g15945ej4v0ds 2 pc311 absolute maximum ratings (t a = 25c) parameter symbol ratings unit voltage between v + and v ? note 1 v + ? v ? ?0.3 to +36 v differential input voltage v id 30 v input voltage note 2 v i v ? ?0.3 to v + +0.3 v output to negative supply voltage note 3 v o ? v ? ?0.3 to +40 v ground to negative supply voltage note 3 v gnd ? v ? ?0.3 to +30 v c package note 4 350 mw power dissipation g2 package note 5 p t 440 mw output short circuit duration note 6 10 sec operating ambient temperature t a ?20 to +80 c storage temperature t stg ?55 to +125 c notes 1. reverse connection of supply voltage can cause destruction. 2. the input voltage should be allowed to input without damage or destruction. even during the transition period of supply voltage, power on/off etc., this s pecification should be kept. the normal operation will establish when the both inputs are within the common mode input voltage range of electrical characteristics. 3. this specification is the voltage which should be allowed to supply to the output and gnd terminal from external without damage or destruction. even during t he transition period of supply voltage, power on/off etc., this specification should be kept. 4. thermal derating factor is ?5.0 mw/c when operat ing ambient temperature is higher than 55c. 5. thermal derating factor is ?4.4 mw/c when operat ing ambient temperature is higher than 25c. 6. pay careful attention to the total power dissipation not to exceed the absolute maximum ratings, note 4 and note 5. recommended operating conditions parameter symbol min. typ. max. unit supply voltage (split) v 4 16 v supply voltage (v ? = gnd) v + +5 +32 v typical connections offset voltage null circuit strobing circuit fast response circuit (increasing input stage current) 2 3 5 3 k ? 3 k ? 6 8 v + v + 7 2 3 + ? 8 6 5 7 2 3 + ? 6 ttl, cmos 1 k ? 7 + ? 4
data sheet g15945ej4v0ds 3 pc311 electrical characteristics (t a = 25c, v = 15 v) parameter symbol conditions min. typ. max. unit input offset voltage v io v + ? v ? = 5 to 30 v, r s 50 k ? 2.0 7.5 mv input offset current i io v + ? v ? = 5 to 30 v 6.0 50 na input bias current i b v + ? v ? = 5 to 30 v 100 250 na voltage gain a v r l = 1.0 k ? 200,000 response time input step 100 mv, overdrive 5 mv 200 ns output saturation voltage v ol v i 10 mv, i o = 50 ma 0.75 1.5 v strobe on current 3.0 ma output leakage current i oleak v i 10 mv, v o = 35 v 0.2 50 na positive supply current i + i o = 0 a 5.1 7.5 ma negative supply current i ? i o = 0 a 4.1 5.0 ma input offset voltage v io v + ? v ? = 5 to 30 v, r s 50 k ? , t a = 0 to 70 c 10 mv input offset current i io v + ? v ? = 5 to 30 v, t a = 0 to 70 c 70 na input bias current i b v + ? v ? = 5 to 30 v, t a = 0 to 70 c 300 na common mode input voltage range v icm 13.0 ? 14.5 13.8 ? 14.7 v output saturation voltage v ol v + 4.5 v, v ? = 0 v, v i ? 10 mv, i o = 8 ma 0.23 0.4 v typical application circuit open collector output emitter follower ou tput comparator with hysteresis circuit v + r l 2 3 + ? 4 1 7 8 v + v o v o r l r 1 v ref gnd r l v i(+) v i( ? ) 2 3 + ? 4 1 7 8 v + v rl v ? output r 2 input + ? input polarity is reversed when 1pin (gnd) is used as an output v n > v i v o : low threshold voltage v th (high) . =. v ref + (v rl ? v ref ) v th (low) . =. v ref ? (v ref ? v ol ) (v rl > v ref > v ol ) r 1 r l + r 2 + r 1 r 1 r 1 + r 2
data sheet g15945ej4v0ds 4 pc311 typical performance characteristics (t a = 25c, typ.) 0 v icm ? v icm + v icm - common mode input voltage range - v +0.4 +0.2 ? 1.5 ? 1.0 ? 0.5 v + v ? 10 30 50 20 40 70 60 t a - operating ambient temperature - c common mode input voltage 80 0 p t - total power dissipation - mw 100 200 300 400 500 600 20 40 60 t a - operating ambient temperature - c power disipation 80 100 i b - input bias current - na 100 0 200 300 400 500 20 40 60 t a - operating ambient temperature - c input bias current 80 pc311g2 pc311c v= 15 v 5, 6-8 pin short 0 i io - input offset current - na 10 20 20 40 60 t a - operating ambient temperature - c input offset current 80 10 k v os - equivalent input offset voltage - mv 10 1 100 100 k 1 m r s - input resistance - ? offset error 10 m v= 15 v 5, 6-8 pin short 0 i b - input bias current - na 50 25 75 100 125 150 200 175 225 ? 16 ? 12 ? 8 ? 4 v id - differential input voltage - v input current 04 81216 v= 15 v referered to supply voltages v os = v io +r s i io typ. max. 200 c/w 227 c/w . normal normal
data sheet g15945ej4v0ds 5 pc311 0 v i - input voltage - mv vo - output voltage - v 1 0 100 ? 20 10 ? 10 0 2 3 4 5 0.2 0.4 0.6 t - time - s response time for various input oveerdrives ? 1.0 v o - output volgate - v 10 20 0 30 40 50 60 ? 0.5 0 0.5 v id - differential input voltage - mv transferfunction 1.0 emitter follower output r l = 600 ? normal output r l = 1 k ? 0 1 0 0 20 10 2 3 4 5 0.2 0.4 0.6 +5 v v = 15 v v o 500 ? v i + ? 0 ? 5 ? 10 ? 15 0 5 10 15 1234 20 mv 2 mv 5 mv 20 mv 2 mv 5 mv 20 mv 2 mv 5 mv 0 ? 10 ? 10 ? 100 0 20 10 ? 10 ? 100 ? 15 ? 10 ? 20 100 10 0 ? 5 0 5 10 15 1234 10 v ol - saturation voltage - v 0.4 0.3 0.1 0.2 0 0.5 0.6 0.7 0.8 20 30 40 5 0 i o - output current - ma output saturation voltage 20 mv 2 mv 5 mv v + v = 15 v v ? 2 k ? v o v i + ? v + v = 15 v v ? 2 k ? v o v i + ? response time for various input oveerdrives v i - input voltage - mv vo - output voltage - v t - time - s t - time - s v = 40 v + v cc = 30 v response time for various input oveerdrives v i - input voltage - mv vo - output voltage - v response time for various input oveerdrives v i - input voltage - mv vo - output voltage - v t - time - s +5 v v= 15 v v o 500 ? v i + ? overdrive = 2 mv overdrive = 20 mv overdrive = 20 mv 5 mv 20 mv overdrive = 2 mv 20 mv 5 mv 5 mv 2 mv 5 mv 2 mv
data sheet g15945ej4v0ds 6 pc311 i oshort - short circuit current - ma 60 40 20 0 80 100 120 140 51015 v o - output voltage - v output limiting characteristics 0 i - supply current - ma 3 1 2 4 5 6 51015 v - supply voltage- v supply current i - suply current - ma 4 2 0 6 8 10 30 40 10 20 50 60 70 80 t a - operating ambient temperature - c supply current 25 35 i oleak - leakage current - a 10 ? 8 10 ? 9 10 ? 10 10 ? 11 45 55 65 75 t a - operating ambient temperature - c leakage currents output v o = 40 v input v i = 15 v v = 15 v v = 15 v short circuit current positive and negative supply output high power consumption positive supply output low positive supply output low positive supply output low positive and negative supply output high + 20 25 30 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 power consumption - w
data sheet g15945ej4v0ds 7 pc311 package drawings (unit : mm) 14 85 item millimeters notes 1. each lead centerline is located within 0.25 mm of its true position (t.p.) at maximum material condition. p8c-100-300b,c-2 n 0.25 p 0.9 min. r0 15 a 10.16 max. b 1.27 max. f 1.4 min. g 3.2 0.3 j 5.08 max. k 7.62 (t.p.) c 2.54 (t.p.) d 0.50 0.10 h 0.51 min. i 4.31 max. l 6.4 m 0.25 + 0.10 ? 0.05 2. ltem "k" to center of leads when formed parallel. m a r m p i j h g f dn c b 8-pin plastic dip (7.62mm(300)) l k
data sheet g15945ej4v0ds 8 pc311 item b c i 8-pin plastic sop (5.72 mm (225)) d e f g h j p millimeters 1.27 (t.p.) 0.78 max. 4.4 0.15 0.1 0.1 0.42 1.59 0.21 6.5 0.3 1.49 + 0.08 ? 0.07 1.1 0.2 3 + 7 ? 3 note each lead centerline is located within 0.12 mm of its true position (t.p.) at maximum material condition. a 5.2 + 0.17 ? 0.20 k l m n 0.6 0.2 0.17 0.12 0.10 + 0.08 ? 0.07 s8gm-50-225b-6 85 1 4 s m c detail of lead end a m s n f g b e d p h i j k l
data sheet g15945ej4v0ds 9 pc311 recommended soldering conditions the pc311 should be soldered and mounted under the following recommended conditions. for soldering methods and conditions other than those recommended below, contact an nec electronics sales representative. for technical information, see the following website. semiconductor device mount manual (http://www.necel.com/pkg/en/mount/index.html) type of surface mount device pc311g2: 8-pin plastic sop (5.72 mm (225)) process conditions symbol infrared ray reflow peak temperature: 230c or below (package surface temperature), reflow time: 30 seconds or less (at 210c or higher), maximum number of reflow processes: 1 time. ir30-00-1 vapor phase soldering peak temperature: 215c or below (package surface temperature), reflow time: 40 seconds or less (at 200c or higher), maximum number of reflow processes: 1 time. vp15-00-1 wave soldering solder temperature: 260c or below, flow time: 10 seconds or less, maximum number of flow processes: 1 time, pre-heating temperature: 120c or below (package surface temperature). ws60-00-1 partial heating method pin temperature: 300c or below, heat time: 3 seconds or less (per each side of the device). ? caution apply only one kind of soldering condition to a device, except for "partial heating method", or the device will be damaged by heat stress. type of through-hole device pc311c: 8-pin plastic dip (7.62 mm (300)) process conditions wave soldering (only to leads) solder temperature: 260c or below, flow time: 10 seconds or less. partial heating method pin temperature: 300c or below, heat time: 3 seconds or less (per each lead). caution for through-hole device, the wave soldering process must be applied only to leads, and make sure that the package body does not get jet soldered.
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