unisonic technologies co., ltd v2267 linear integrated circuit www.unisonic.com.tw 1 of 9 copyright ? 2009 unisonic technologies co., ltd qw-r124-006.b dual video 6db amplifier with 75 driver ? description the utc v2267 is a dual video 6db amplifier with 75 ? drivers for svhs vcrs, hi-band vcrs, etc. its operating supply voltage is 4.85 to 9v and bandwidth is 7mhz. each channel has clamp function that fixes dc level of video signal and 75 ? drivers to be connected to tv monitors directly. further mo re it has sag corrective circuits that prevent the generation of sag with a small capacitance. it is for vcr, video camera, tv, video disc player. ? features * dual channel * wide operating voltage (4.85v ~ 9.0v) * low operating current 14.0ma (dual) * wide frequency range (7mhz) * internal clamp function * internal driver circuit for 75 ? load * sag corrective function * bipolar technology dip-8 sop-8 tssop-8 msop-8 lead-free: v2267l halogen-free: v2267g ? ordering information ordering number normal lead free plating halogen free package packing v2267-d08-t v2267l-d08-t v2267g-d08-t dip-8 tube v2267-s08-r v2267l-s08-r v 2267g-s08-r sop-8 tape reel V2267-SM1-R v2267l-sm1-r v2267g-sm1-r msop-8 tape reel v2267-p08-r v2267l-p08-r v226 7g-p08-r tssop-8 tape reel v2267l-d08-r (1)packing type (2)package type (3)lead plating (1) r: tape reel, t: tube (2) d08: dip-8, sm1: msop-8, s08: sop-8, p08: tssop-8 (3) g: halogen free, l: lead free, blank: pb/sn
v2267 linear integrated circuit unisonic technologies co., ltd 2 of 9 www.unisonic.com.tw qw-r124-006.b ? pin configurations 4 3 2 1 5 6 7 8 v in2 v cc v sag2 v out2 v out1 gnd v in1 v sag1 ? pin description pin no. pin name i/o pin description 1 v in1 i input terminal of 1vp-p composite sig nal or y signal. clamp level is 1.9v 2 gnd ground 3 v sag1 o channel 1 sag correction output 4 v out1 o output terminal that can drive 75 ? line. channel 1 output 5 v out2 o output terminal that can drive 75 ? line. channel 2 output 6 v sag2 o channel 2 sag correction output 7 v cc supply voltage 8 v in2 i input terminal of 1vp-p composite sig nal or y signal. clamp level is 1.9v
v2267 linear integrated circuit unisonic technologies co., ltd 3 of 9 www.unisonic.com.tw qw-r124-006.b ? block diagram 8 75 ? driver 6db amp 1 7 5 6 4 3 75 ? driver 6db amp 2.0k ? 2.2k ? 2.0k 2.2k ? clamp clamp 750 ? v out2 v out1 750 ? sag correction v sag2 sag correction v sag1 2 gnd v in1 v in2 v cc v out2 v sag2 v out1 v sag1
v2267 linear integrated circuit unisonic technologies co., ltd 4 of 9 www.unisonic.com.tw qw-r124-006.b ? absolute maximum ratings parameter symbol ratings unit supply voltage v cc 10 v dip-8 500 mw sop-8 350 mw msop-8 300 mw power dissipation tssop-8 p d 250 mw operating temperature t opr -40 ~ +85 storage temperature t stg -40 ~ +125 note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device operation is not implied. ? electrical characteristics (v cc =5v, ta=25c) parameter symbol test conditions min typ max unit input clamp voltage v cl measuring at tp1(tp2) no signal 1.79 1.91 2.03 v operating current i cc no signal 14.0 18.2 ma voltage gain g v v out1 /v in1 , v out2 /v in2 at v in1 (v in2 ) =1mhz, 1vp-p, sinewave 5.7 6.2 6.7 db frequency characteristic g f v in =1vp-p, sinewave, 7mhz/1mhz 1.0 db crosstalk ct v out2 /v out1 at v in1 = 4.43mhz, 1vp-p, v in2 =gnd, sinewave v out1 /v out2 at v in2 =4.43mhz, 1vp-p,v in1 =gnd, sinewave -70 db gain offset g ch v in =1mhz, 1vp-p, g v1 = v out1 /v in1 ,g v2 = v out2 /v in2 , g ch = g v1 -g v2 0.5 db sag terminal gain g sag 35 45 db differential gain g diff v in1 =1vp-p, staircase measuring v out3 at v in1 = staircase signal 1.0 3.0 % differential phase dp v in1 =1vp-p, staircase measuring v out3 at v in1 = staircase signal 1.0 3.0 deg
v2267 linear integrated circuit unisonic technologies co., ltd 5 of 9 www.unisonic.com.tw qw-r124-006.b ? test circuit 2 1 3 4 7 8 6 5 v in 1v in 2 gnd v + v sag 1v sag 2 v out 1v out 2 4.7f + h + 1000pf 100f v cc v in 2 + tp2 75 ? tp6 v out 2 (6db) v out 4 100f + 75 ? r l 22f 75 ? tp4 gnd tp1 + 4.7f 75 ? v in 1 v out 1 (6db) v out 3 tp3 75 ? r l tp5 22f + 100f + 75 ? ? test methodes parameter symbol test methodes input clamp voltage v cl no signal measuring at tp1(tp2) operating current i cc no signal 7pin sink current voltage gain g v v out1 /v in1 , v out2 /v in2 at v in1 (v in2 ) =1mhz, 1vp-p, sinewave frequency characteristic g f g v1m ;voltage gain at v in1 (v in2 )=1mhz, 1vp-p g v10m ; voltage gain at v in1 (v in2 )=10mhz, 1vp-p g f = g v10m -g v1m crosstalk ct v out2 /v in1 at v in1 = 4.43mhz, 1vp-p, sinewave,v in2 =gnd v out1 /v in2 at v in2 =4.43mhz, 1vp-p, sinewave, v in1 =gnd gain offset g ch v in =1mhz, 1vp-p, g v1 = v out1 /v in1 ,g v2 = v out2 /v in2 g ch = g v1 -g v2 differential gain g diff v in1 =1vp-p, staircase measuring v out3 at v in1 = staircase signal differential phase dp v in1 =1vp-p, staircase measuring v out3 at v in1 = staircase signal
v2267 linear integrated circuit unisonic technologies co., ltd 6 of 9 www.unisonic.com.tw qw-r124-006.b ? application oscillation prevention it is much effective to insert lpf (cutoff frequency 70mhz) under light loading conditions (r l >>1k ? ) this ic requires 1m ? resistance between input and gnd pin for clamp type input since the minute current causes an unstable pin voltage.
v2267 linear integrated circuit unisonic technologies co., ltd 7 of 9 www.unisonic.com.tw qw-r124-006.b ? typical characteristics operating voltage, v cc (v) operating current vs. operating voltage (ta = 25 ) 4 610 15 7 0 9 5 10 20 25 8 operating voltage, v cc (v) input dc level vs. operating voltage (ta = 25 ) 4 610 3 7 0 9 5 2 4 5 8 1 5 output dc level, v out (v) sag terminal voltage, v sag (v) operating voltage, v cc (v) sag terminal gain, g sag (db) sag terminal gain vs. operating voltage (ta = 25 ) 4 610 40 7 20 9 5 50 60 8 operating voltage, v cc (v) voltage gain, g v (db) voltage gain vs. operating voltage (ta = 25 , 1vp-p, 1mhz sinewave signal input) 4 610 6 7 9 5 6.5 7 8 5.5 30 5
v2267 linear integrated circuit unisonic technologies co., ltd 8 of 9 www.unisonic.com.tw qw-r124-006.b ? typical characteristics(cont.) operating voltage, v cc (v) differential gain, g diff (%) differential gain vs. operating voltage (ta = 25 , 1vp-p staircase signal input) 4 610 -2 7 -6 9 5 0 2 8 operating voltage, v cc (v) differential phase, dp (deg) differential phase vs. operating voltage (ta = 25 , 1vp-p staircase signal input) 4 610 -2 7 9 5 0 2 8 -4 -4 -6 voltage gain, g v (db) voltage gain, g v (db) voltage gain, g v (db) gain frequency characteristics, gf (db)
v2267 linear integrated circuit unisonic technologies co., ltd 9 of 9 www.unisonic.com.tw qw-r124-006.b ? typical characteristics(cont.) load, r l ( ? ) differential gain, g diff (%) differential gain vs. r l (ta = 25 , v cc = 5v, 1vp-p staircase signal input) 40 60 100 -6 0 2 80 -4 -2 90 70 50 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 expec ted 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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