unisonic technologies co., ltd ULV1546 preliminary cmos ic www.unisonic.com.tw 1 of 7 copyright ? 2013 unisonic technologies co., ltd qw-r502-962.a 20v high current drive rail-to-rail vcom/gamma buffer ? description the utc ULV1546 is the quadruple high voltage rail-to-rail vcom/gamma buffer with low power dissipation. operating on power supplies ranging from 5v to 20v, while current consuming is less than 1.2ma / per amplifier. rail-to-rail output capability and common mode input ability beyond the rails enable these amplifiers to offer maximum dynamic range at any supply voltage. fast slew rate and settling times, and a high output drive capability of 300ma peak ac current (sink and source) are also provided by utc ULV1546 . with so many attractive characteristics the four amplifiers inside utc ULV1546 are ideal for use as voltage reference buffers in tft-lcd panel applications for tv, pc, notebooks, and mobile computing devices. ? features * wide supply operation range +5v~+20v * beyond the rails input capability * rail-to-rail output swing * low supply current, 1.2ma per amplifier (typical) * wide bandwidth (unit gain) 30mhz-3db bandwidth * 300ma peak output ac current (typ.) * high slew rate=30v/s * unity-gain stable ? ordering information ordering number package packing lead free halogen free ULV1546l-p14-t ULV1546g-p14-t tssop-14 tube ULV1546l-p14-r ULV1546g-p14-r tssop-14 tape reel
ULV1546 preliminary cmos ic unisonic technologies co., ltd 2 of 7 www.unisonic.com.tw qw-r502-962.a ? pin configuration v outa v ina+ v ina- v s+ v inb+ v inb- v outb v outd v ind- v ind+ v s- v inc+ v inc- v outc 1 2 3 4 5 6 7 14 13 12 11 10 9 8 ? pin description pin no. pin name description 1 v outa output of amplifier-a 2 v ina- inverting input of amplifier-a 3 v ina+ non-inverting input of amplifier-a 4 v s+ positive power supply 5 v inb+ non-inverting input of amplifier-b 6 v inb- inverting input of amplifier-b 7 v outb output of amplifier-b 8 v outc output of amplifier-c 9 v inc- inverting input of amplifier-c 10 v inc+ non-inverting input of amplifier-c 11 v s- negative power supply 12 v ind+ non-inverting input of amplifier-d 13 v ind- inverting input of amplifier-d 14 v outd output of amplifier-d
ULV1546 preliminary cmos ic unisonic technologies co., ltd 3 of 7 www.unisonic.com.tw qw-r502-962.a ? block diagram v outa 1 v ina- 2 v ina+ 3 v inb+ 5 v inb- v outb 6 7 + - + - + - + - v outd v ind- v ind+ 14 13 12 v inc+ v inc- v outc 10 9 8
ULV1546 preliminary cmos ic unisonic technologies co., ltd 4 of 7 www.unisonic.com.tw qw-r502-962.a ? absolute maximum rating (t a =25c) parameter symbol ratings unit supply voltage between vs+ & vs- vs+-vs- +21.5 v input voltage v i vs- -0.5, vs+ + 0.5 v max. continuous output current i out 80 ma max. continuous output ac current i o ( ac ) 400 (20% duty cycle) ma junction temperature t j +150 c operating temperature t opr -40~+85 c storage temperature t stg -65~+150 c note: absolute maximum ratings are those values be yond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? electrical characteristics (v s+ =+5v, v s- =-5v, with r l =10k ? and c l =10pf, t a =25c unless otherwise specified.) parameter symbol test conditions min typ max unit input characteristics input offset voltage v os v cm =0v 3 15 mv average offset voltage drift t cvos measured over oper ating temperature range 5 v/c input bias current i b v cm =0v 2 50 na input impedance r in 1 g ? input capacitance c in 2.0 pf common-mode input range cmir -5.5 +5.5 v common-mode rejection ratio cmrr -5.5v v in +5.5v 50 72 db open-loop gain a vol -4.5v v out +4.5v 65 78 db output characteristics output swing low v ol i l =-5ma -4.94 -4.88 v output swing high v oh i l =+5ma 4.88 4.94 v peak output ac current i out v out reaches within 3v from rails 300 ma power supply performance power supply rejection ratio psrr v s from 2.25v to 7.75v 60 80 db supply current (per amplifier) i s no load 1.2 ma dynamic performance slew rate (rising & falling edges) sr -4.0v v out +4.0v 27 v/s settling to 0.1% (a v =+1) t s v o =2.0v step @ c l =0pf 100 ns -3db bandwidth b w 28 mhz gain-bandwidth product g bwp 22 mhz phase margin p m 50 channel separation chs f=5mhz 90 db
ULV1546 preliminary cmos ic unisonic technologies co., ltd 5 of 7 www.unisonic.com.tw qw-r502-962.a ? electrical characteristics(cont.) (v s+ =+16v, v s- =0v, with r l =10k ? and c l =10pf, t a =25c unless otherwise specified.) parameter symbol test conditions min typ max unit input characteristics input offset voltage v os v cm =8v 3 15 mv average offset voltage drift t cvos measured over oper ating temperature range 5 v/c input bias current i b v cm =8v 2 50 na input impedance r in 1 g ? input capacitance c in 2.0 pf common-mode input range cmir -0.5 +15.5 v common-mode rejection ratio cmrr -0.5v v in +16.5v 50 75 db open-loop gain a vol +0.5v v out +15.5v 68 80 db output characteristics output swing low v ol i l =-5ma 70 120 mv output swing high v oh i l =+5ma 15.88 15.94 v peak output ac current i out v out reaches within 3v from rails 300 ma power supply performance power supply rejection ratio psrr v s from +4.5v to+16.5v 60 80 db supply current (per amplifier) i s no load 1.2 ma dynamic performance slew rate (rising & falling edges) sr +1.0v v out +15.0v 30 v/s settling to 0.1% (a v =+1) t s v o =2.0v step @ c l =0pf 100 ns -3db bandwidth b w 30 mhz gain-bandwidth product g bwp 24 mhz phase margin p m 50 channel separation chs f=5mhz 90 db
ULV1546 preliminary cmos ic unisonic technologies co., ltd 6 of 7 www.unisonic.com.tw qw-r502-962.a ? electrical characteristics (vs+=+5v, vs-=0v, with r l =10k ? and c l =10pf to 2.5v @ t a =25c unless otherwise specified.) parameter symbol test conditions min typ max unit input characteristics input offset voltage v os v cm =2.5v 3 15 mv average offset voltage drift t cvos measured over oper ating temperature range 5 v/c input bias current i b v cm =2.5v 2 50 na input impedance r in 1 g ? input capacitance c in 2.0 pf common-mode input range cmir -0.5 +5.5 v common-mode rejection ratio cmrr -0.5v v in +5.5v 50 70 db open-loop gain a vol +0.5v v out +4.5v 60 70 db output characteristics output swing low v ol i l =-5ma 70 140 mv output swing high v oh i l =+5ma 4.86 4.94 v peak output ac current i out v out reaches within 3v from rails 300 ma power supply performance power supply rejection ratio psrr v s from +4.5v to+15.5v 60 80 db supply current (per amplifier) i s no load 1.0 ma dynamic performance slew rate (rising & falling edges) sr +1.0v v out +4.0v 25 v/s settling to 0.1% (a v =+1) t s v o =2.0v step @ c l =0pf 100 ns -3db bandwidth b w 25 mhz gain-bandwidth product g bwp 20 mhz phase margin p m 50 channel separation chs f=5mhz 90 db
ULV1546 preliminary cmos ic unisonic technologies co., ltd 7 of 7 www.unisonic.com.tw qw-r502-962.a 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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