unisonic technologies co., ltd m3355 preliminary linear integrated circuit www.unisonic.com.tw 1 of 6 copyright ? 2011 unisonic technologies co., ltd qw-r124-001.ba 2-input single video switch ? description the utc m3355 is 2-input signal video switch selecting one of two video or audio signals. its operating voltage is 4.75 ~ 13v and bandwidth is 10mhz. crosstalk is 70db (at 4.43mhz). it is applied to both ntsc and pal vtr. ? features * operating voltage: +4.75v ~ +13v * 2 input-1 output * crosstalk 70db (at 4.43mhz) dip-8 sop-8 tssop-8 ? ordering information ordering number lead free halogen free package packing m3355l-s08-r m3355g-s08-r sop-8 tape reel m3355l-s08-t m3355g-s08-t sop-8 tube m3355l-d08-t m3355g-d08-t dip-8 tube m3355l-p08-r M3355G-P08-R tssop-8 tape reel m3355l-s08-r (1)packing type (2)package type (1) r: tape reel, t: tube (2) s08: sop-8, d08: dip-8, p08: tssop-8 (3) g: halogen free, l: lead free (3)lead free
m3355 preliminary linear integrated circuit unisonic technologies co., ltd 2 of 6 www.unisonic.com.tw qw-r124-001.ba ? pin configuration ? block diagram buffer gnd vout v + vin1 sw1 vin2 bias 15k 15k n.c. n.c. 1 2 3 4 5 6 7 8
m3355 preliminary linear integrated circuit unisonic technologies co., ltd 3 of 6 www.unisonic.com.tw qw-r124-001.ba ? equivalent circuit pin no. pin name inside equivalent circuit 1 v in 1 2 sw1 3 v in 2 200 200 v in 2 v + 15k 4 nc - 5 nc - 6 v + - 7 v out 200 v out 5ma 8 gnd -
m3355 preliminary linear integrated circuit unisonic technologies co., ltd 4 of 6 www.unisonic.com.tw qw-r124-001.ba ? absolute maximum rating (t a =25c) parameter symbol ratings unit supply voltage v + 15 v dip-8 500 sop-8 300 power dissipation tssop-8 p d 250 mw operating temperature t opr -20~+75 c storage temperature t stg -40~+125 c 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 oper ation is not implied. ? electrical characteristics (v + =5v, t a =25c) parameter symbol test conditions min typ max unit operating voltage v + 4.75 13.0 v operating current icc s1=s2=s3=1 8.5 11.0 ma frequency characteristic (1) g11 vi=2.5vpp, vo(20hz)/vo(100khz) 0 1.0 db frequency characteristic (2) g12 vi=2.0 vpp, vo(10mhz)/vo(100khz) 0 1.0 db voltage gain gv vi=2.5vpp, 100khz, vo/vi -0.5 0 db total harmonic distortion thd vi=2.5vpp, 1khz 0.01 % differential gain dg vi=2vpp standard staircase signal 0 % differential phase dp vi=2vpp standard staircase signal 0 deg output offset voltage voff s1=s2=1, s3=1~2, vo voltage change 0 15 mv crosstalk ct (s1=s3=1, s2=2) and (s1=s3=2, s2=1), vi=2.0vp-p, 4.43mhz, vo/vi -70 db v ch garanteed voltage of all switch on 2.4 switch change voltage v cl garanteed voltage of all switch off 0.8 v input impedance r i 15 k ? output impedance r o 10 ?
m3355 preliminary linear integrated circuit unisonic technologies co., ltd 5 of 6 www.unisonic.com.tw qw-r124-001.ba ? control signal-output signal sw1 output signal l vin 1 h vin 2 ? application oscillation prevention on light loading conditions recommended under circuit lpf v out r c c 20pf 7 r 100 ? this ic requires 0.1 f capacitor between input and gnd for bias type input at mute mode
m3355 preliminary linear integrated circuit unisonic technologies co., ltd 6 of 6 www.unisonic.com.tw qw-r124-001.ba ? test circuit 8 7 6 5 12 3 gnd vout v + vin1 sw2 4 vin2 + gnd v + 100 f 0.01 f v o v o + r l =1k ++ 10 f 10 f s1 s2 2 121 v1 s4 2 1 rg s3 2 1 vcon=5v 220 f ? dc voltage each terminal (typ. on test circuit t a =25 c) terminal name v in 1 sw1 v in 2 v + v out gnd dc voltage + v 5 3 + v 5 3 0.7 - + v 5 3 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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