unisonic technologies co., ltd lm318 linear integrated circuit www.unisonic.com.tw 1 of 5 copyright ? 2014 unisonic technologies co., ltd qw-r105-016.d high speed operational amplifier ? description the utc lm318 is a precision, high speed, high gain operational amplifier that has been specifically designed for use in high slew rate and wide bandwidth applications. unlike many wideband amplifiers, the utc lm318 is unity-gain stable since it has internal circuitry for frequency compensation. however, external components may be added for compensation to achieve optimum performance. when used in inverting applications, feed-forward compensation can be used to achieve slew rate in excess of 150v/s and almost double the bandwidth. for greater stability, using overcompensation with the amplifier is possible if maximum bandwidth is not needed. in general, by adding a single capacitor can reduce the settling time for 0.1% error band to under 1s. the typical applications of utc lm318 include a/d converters, fast integrator, oscillators, active f ilters, sample and hold circuits, or general purpose amplifiers. ? features * unit gain stable (internal frequency compensation) * 4mv typical input offset voltage * 30na typical input offset current * input bias current of 250na (maximum) * 15mhz bandwidth (small signal) * 50v/ s slew rate (guarantee) * operates voltages of 5v to 20v * overload protection for input and output * same pin assignment as general-purpose op amps ? ordering information order number package packing lead free halogen free lm318l-d08-t LM318G-D08-T dip-8 tube - lm318g-s08-r sop-8 tape reel ? marking dip-8 sop-8
lm318 linear integrated circuit unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r105-016.d ? pin configurations comp-2 output in+ in- comp-1 v cc - comp-3 1 v cc + 2 3 45 6 7 8 ? schematic diagram +
lm318 linear integrated circuit unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r105-016.d ? absolute maximum ratings parameter symbol ratings unit supply voltage v cc+ +20 v supply voltage v cc- -20 v input voltage (note 2) v in 15 v differential input current (note 3) i i ( diff ) 10 ma power dissipation p d 500 mw output short-circuit duration continuous maximum junction temperature t j 110 ? c operating temperature range t opr 0 ~ +70 ? c storage temperature range t stg -65 ~ +150 ? c notes: 1. absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. 2. for supply voltage less than 15v, the absolute ma ximum input voltage is equa l to the supply voltage. 3. the inputs are shunted with two opp osite-facing base-emitter diodes for ov er voltage protec tion. therefore, excessive current flows if a differential input voltage in excess of 1v is applied between the inputs unless some limiting resistance is used. ? electrical characteristics ( ? 5v ? v cc ?? 20v, 0 ? c t a +70 ? c, unless other specifics) parameter symbol test condition min typ max unit input voltage range v in v cc =15v 11.5 v output voltage swing v out v cc =15v, r l =2k ? 12 13 v input offset voltage v i(off) t a =25 ? c 4 10 mv 15 mv large signal voltage gain g v t a =25 ? c, v cc =15v v out =10v, r l 2k ? 25 200 v/mv v cc =15v, v out =10v, r l 2k ? 20 v/mv input offset current i i(off) t a =25 ? c 30 200 na 300 na input bias current i i(bias) t a =25 ? c 150 500 na 750 na supply current i ss t a =25 ? c 5 10 ma input resistance r s t a =25 ? c 0.5 3 m ? slew rate sr t a =25 ? c, v cc =15v, gv=1 50 70 v/s small signal bandwidth sb w t a =25 ? c, v cc =15v 15 mhz common mode rejection ratio cmrr 70 100 db supply voltage rejection ratio svrr 65 80 db note: these power supplies must be bypassed with 0.1f(or larger) disc ceramic capacitor within an inch of the device.
lm318 linear integrated circuit unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r105-016.d ? typical characteristics input current temperature ( ) 070 60 50 40 30 20 10 190 150 100 50 0 40 30 20 10 supply voltage (v) 5 15 20 10 110 100 105 95 115 voltage gain bias offset t a =25
lm318 linear integrated circuit unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r105-016.d ? typical characteristics(cont.) differential input (v) -0.8 -0.4 -0.2 -0.6 200 -400 0 -600 i n p u t c u r r e n t ( n a ) input current 00.60.8 0.4 0.2 600 400 -200 power dissipation vs. ambient temperature 0 100 200 300 400 500 600 0 20 40 60 80 100 120 140 ambient temperature(c) power dissipation, p d (mw) utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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