unisonic technologies co., ltd UM1671 preliminary cmos ic www.unisonic.com.tw 1 of 6 copyright ? 2012 unisonic technologies co., ltd qw-r502-827.a low voltage operating 75 ? driver ? description the utc UM1671 is a low voltage operating 75 ? driver, operating supply voltage from 2.8v to 5.5v. including a high-performance 4-order lpf, a available output gain built-in amp and a sag auxiliary circuit, etc. the utc UM1671 is suitable for video signal output in devices ranging from portable equipment such as digital still cameras to stationary equipment such as dvd players. ? features * supports 3v and 5v systems * high-precision voltage gain * including a high-performance 4-order lpf, a available output gain built-in amp and a sag auxiliary circuit sot-26 1 2 3 4 5 6 ? ordering information ordering number package packing lead free halogen free UM1671l-ag6-r UM1671g-ag6-r sot-26 tape reel note: xx: output voltage, refer to marki ng information. UM1671g-ag6-r (1)packing type (2)package type (3)halogen free (1) r: tape reel (2) ag6: sot-26 (3) g: halogen free, l: lead free ? marking information
UM1671 cmos ic unisonic technologies co., ltd 2 of 6 www.unisonic.com.tw qw-r502-827.a ? pin configuration ? pin description pin no. pin name description in ternal equivalent circuit diagram 1 ps power save 1 gnd 20k 10k 10k 2 out signal output 3 2 gnd v cc 500 3 sag sag correction 4 in signal input 4 gnd v cc 100 500 5 gnd gnd 6 v cc v cc
UM1671 cmos ic unisonic technologies co., ltd 3 of 6 www.unisonic.com.tw qw-r502-827.a ? block diagram 1 4 gnd 5 ps in *1 lpf 6.75mhz *2 75 ? driver 6 2 3 v cc out sag *1 input clamp *2 built-in amplifier clamp 6db(*2)
UM1671 cmos ic unisonic technologies co., ltd 4 of 6 www.unisonic.com.tw qw-r502-827.a ? absolute maximum rating (t a =25c) parameter symbol ratings unit supply voltage v cc 7 (max.) v power dissipation p d 200 mw storage temperature t stg -65~+150 c operating temperature t opr -40~+85 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. ? recommended operating conditions parameter symbol ratings unit operating voltage v ccop 2.8~5.5 v operating temperature t opr -40~+85 c ? electrical characteristics (except where noted otherwise, t a =25c, v cc =3v) parameter symbol test conditions min typ max unit supply current i cc 1 no signal 7 10 ma supply current (at power save mode) i cc 2 no signal, ps: on 1 a power save terminal input current hi psh 1pin v h =2.8v 360 a li psl 1pin v l =0.2v 18 a power save terminal input voltage hv psh 2.0 v cc v lv psl 0.5 v input terminal voltage v in 4pin 1.2 v output terminal voltage v out 2pin 0.15 0.3 0.45 v voltage gain g v sin wave: 1v, f=100khz 5.7 6.0 6.3 db frequency characteristic 1 f c1 sin wave: 1v, 6.75mhz/100khz -1.0 0 1.0 db frequency characteristic 2 f c2 sin wave: 1v, 27mhz/100khz -40 -27 db differential gain dg stairc ase signal 1v 0.7 1.5 % differential phase dp staircase signal 1v 0.7 1.5 ? output dynamic range dr sin wave : 100khz, thd=1.0% 2.2 2.4 v s/n sn bw: 100k~6mhz 74 db group delay t1 at 100khz 50 80 ns group delay t1 to 3.58mhz 4 10 ns to 4.43mhz 6 10 ns to 6mhz 12 20 ns ? switch control table ps-pin power save h off l on open on
UM1671 cmos ic unisonic technologies co., ltd 5 of 6 www.unisonic.com.tw qw-r502-827.a ? test circuit + + + ? typical application circuit v cc 1 2 3 ps out sag utc UM1671 6 5 4 v cc gnd in 75 + 22 100 + 75 75 0.1 + 100 0.1 input - - - 3v v cc 1 2 3 ps out sag utc UM1671 6 5 4 v cc gnd in 75 33 33 75 0.1 0.1 input - - - 3v 100
UM1671 cmos ic unisonic technologies co., ltd 6 of 6 www.unisonic.com.tw qw-r502-827.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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