unisonic technologies co., ltd m3368 preliminary linear integrated circuit www.unisonic.com.tw 1 of 6 copyright ? 2011 unisonic technologies co., ltd qw-r124-003.ba 3-input video switch with 6db amplifier ? description the utc m3368 is three input integrated video switch witch selects one video or audio signal from three input signals. it contains 6db amplifier and it s operating supply voltage range is 4.75 to 13v and bandwidth is 5mhz. crosstalk is 65db (at 4.43mhz). ? features * operating voltage: 4.75 ~ 13v * 3 input-1 output * internal 6db amplifier * muting function available * internal clamp function * cross-talk 65db (at 4.43mhz) * wide frequency range 5mhz (1vp-p input) dip-8 sop-8 ? ordering information ordering number lead free halogen free package packing m3368l-s08-r M3368G-S08-R sop-8 tape reel m3368l-s08-t m3368g-s08-t sop-8 tube m3368l-d08-t m3368g-d08-t dip-8 tube
m3368 preliminary linear integrated circuit unisonic technologies co., ltd 2 of 6 www.unisonic.com.tw qw-r124-003.ba ? pin configuration ? block diagram 6db amp bias c.c.t. gnd vout v + vin3(mute) vin1 sw1 vin2 sw2 8 7 65 1 2 3 4
m3368 preliminary linear integrated circuit unisonic technologies co., ltd 3 of 6 www.unisonic.com.tw qw-r124-003.ba ? pin description pin no. pin name inside equivalent circuit pin no. pin name inside equivalent circuit 1 vin1 5 vin3 (mute) 2 sw1 200 13k sw1 9k 2k 1.1ma 6 v + 3 vin2 7 vout 200 v out 5ma 4 sw2 200 13k sw2 9k 2k 1.1ma 8 gnd ? input control signal-output signal sw1 sw2 output signal l l vin 1 h l vin 2 l/h h vin 3 note: input clamp voltage is about 2/5 of supply voltage
m3368 preliminary linear integrated circuit unisonic technologies co., ltd 4 of 6 www.unisonic.com.tw qw-r124-003.ba ? absolute maximum rating (t a =25c) parameter symbol ratings unit supply voltage v + 15 v dip-8 500 power dissipation sop-8 p d 300 mw operating temperature t opr -40~+85 c storage temperature t stg -40~+125 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 + =5v,t a =25 c) parameter symbol test conditions min typ max unit recommended supply voltage v + 4.75 13.0 v operating current icc s1=s2= s3=s4=s5=2 9.5 14.0 21.0 ma voltage gain gv vin=1.0vp-p, 1mhz, vo/vi, r l =1k ? 5.5 6.0 6.5 db frequency characteristic gf vin=1.0vp-p, vo(10mhz)/vo(1mhz), r l =1k ? -1.0 +1.0 db differential gain dg vin= 1.0vp-p, staircase, r l =1k ? 0.3 % differential phase dp vin= 1.0vp-p, staircase, r l =1k ? 0.3 deg. output offset voltage voff s1=s2=s3=2, s5=1 2, vo: voltage change 60 mv crosstalk ct vin=1vp-p, 4.43mhz, vo/vi -65 db v ch all inside sw: on 2.4 switch change voltage v cl all inside sw: off 0.8 v note: unless specified, tested with three mode below. (a) s1=1, s2=s3=s4=s5=2 (b) s2=s4=1, s1=s3=s5=2 (c) s1=s2=2, s3=s5=1, s4=1 or 2
m3368 preliminary linear integrated circuit unisonic technologies co., ltd 5 of 6 www.unisonic.com.tw qw-r124-003.ba ? application oscillation prevention on light loading conditions recommended under circuit. this ic requires 1m ? resistance between input and gnd pin for clamp type input since the minute current causes an unstable pin voltage. lpf vout 7 r c r 100 ~ = ~ = c 20pf this ic requires 1m ? resistance between input and gnd pin for clamp type input since the minute current causes an unstable pin voltage. this ic requires 0.1 f capacitor between input and gnd, 1m ? resistance between input and gnd for clamp type input at mute mode.
m3368 preliminary linear integrated circuit unisonic technologies co., ltd 6 of 6 www.unisonic.com.tw qw-r124-003.ba ? test circuit ? dc voltage each terminal (typ. on test circuit t a =25 c) terminal name vin1 sw1 vin2 sw2 vin3 v + vout gnd dc voltage + v 5 2 + v 5 2 + v 5 2 7 0 5 2 . v ? + 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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