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| 1/11 low supply voltage 75 ? driver MM1671 descriptions this ic is a 75 ? driver with a built-in lpf that can op erate at low voltage. it supports 3v and 5v operating power voltage, and is ideal for video signal output in devices ranging from portable digital still cameras to statio nary equipment such as dvd players. it incorporates a high performance 4-stage lpf, which is ideal for removing dac sampling noise. in addition, ultra-low current consumption has been achieved by suppressing current consumption during power save to under 1a. this lengthens the life of the batteries in portable devices. the built-in amp gain on this ic is 6db and there is also with input clamp, allowing support for a range of video signals, not just composite signals. features z operating power voltage 2.8~5.5v (supports 3v and 5v systems) z operating temperature range -40~85c z current consumption (no signal) 7.0ma typ. z current consumption during power save 1.0a max. z high precision voltage gain 60.3db at 100khz z built-in high-performance 4-stage lpf 6.75mhz/100khz max. 1.0db 27mhz/100khz typ. -40db z built-in sag auxiliary circuit z built-in 6db amp output gain available z available with input clamp z ultra-small package tiger electronic co.,ltd
MM1671 2/11 block diagram pin assignment marking information print model mm 1671: a data code year code 1 ps 2 out 3 sag 4 in 5 gnd 6 vcc sot23-6 MM1671 3/11 pin descriptions absolute maximum ratings (ta=25 c) characteristic symbol value unit supply voltage vcc max. 7 v allowable loss pd 200 mw operating temperature topr -40 +85 c storage temperature tstg -65 +150 c MM1671 4/11 recommended operating conditions characteristic symbol value unit operating voltage vccop 2.8 5.5 v operating temperature topr -40 +85 c electrical characteristics (unless otherwise specified: ta=25 c v cc =3v) characteristics symbol test conditions min typ max unit supply current icc1 no signal 7 10 ma supply current (at power save mode) icc2 no signal, ps: on 1 a h i psh 1pin v h =2.8v 360 a power save terminal input current l i psl 1pin v l =0.2v 18 a h v psh 2.0 vcc v power save terminal input voltage l v 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 gv sin wave: 1v f=100khz 5.7 6.0 6.3 db frequency characteristics 1 fc1 sin wave: 1v 6.75mhz/100khz -1.0 0 +1.0 db frequency characteristics 2 fc2 sin wave: 1v 27mhz/100khz -40 -27 db differential gain dg staircase 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 to 3.58mhz 4 10 to 4.43mhz 6 10 group delay ? t1 to 6mhz 12 20 ns switch control table ps-pin power save h off l on open on MM1671 5/11 test circuit application circuit MM1671 6/11 typical characteristics unless otherwise specified: ta=25 c v cc =3v MM1671 7/11 unless otherwise specified: ta=25 c v cc =2.6 6.0v MM1671 8/11 MM1671 9/11 unless otherwise specified: ta=-50 +90 c v cc =3v MM1671 10/11 MM1671 11/11 outline drawing sot-23-6l unit: mm |
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