unisonic technologies co., ltd VF8418 preliminary cmos ic www.unisonic.com.tw 1 of 6 copyright ? 2013 unisonic technologies co., ltd qw-r502-944.a triple video driver with selectable hd/sd video filters for rgb or yuv signals ? description the utc VF8418 consists of a triple 6 th order filter with selectable 30mhz or 8.0mhz frequ encies. the triple filters are intended for either yuv or rgb signals. there is a 2-to-1 multiplexer in each filter chan nel. all channels accept dc coupled ground-referenced 1v signals. the filters provide 2vpp signals into ac coupled terminated loads. the low-pass filters are po wered by 3.3v and the outputs by 5.0v. the utc VF8418 offers comprehensive filtering for cable set-top boxes, satellite set-top boxes, hdtv, video on demand (vod), personal video recorders, or dvd applications. ? features * three video anti-aliasing or reconstruction filters * 2:1 mux inputs for multiple rgb/yuv inputs * selectable 8mhz or 30mhz 6th order filters for sd/hd applications * dc coupled input, ac coupled output * drives single, +6db output ac coupled 150 ? loads * 0.6% differential gain with 0.15 differential phase * 36db/octave roll-off on all channels ? ordering information ordering number package packing lead free halogen free VF8418l-d16-t VF8418g-d16-t dip-16 tube VF8418l-s08-t (1)packing type (2)package type (3)lead free (1) t: tube (2) d16: dip-16 (3) l: lead free, g: halogen free
VF8418 preliminary cmos ic unisonic technologies co., ltd 2 of 6 www.unisonic.com.tw qw-r502-944.a ? pin configuration 1 2 3 4 16 15 14 13 in mux r ina r inb g ina f sel v ssa v sso r out 5 12 g inb g out 6 11 b ina b out 7 10 b inb v cco 8 nc 9 v cca VF8418 ? pin description pin no. pin name description 1 in mux logic input selects between channel or of the rgb inputs. (1): rgb a input, (0): rgb b input 2 r ina analog red video input - channel a 3 r inb analog red video input - channel b 4 g ina analog green video input - channel a 5 g inb analog green video input - channel b 6 b ina analog blue video input - channel a 7 b inb analog blue video input - channel b 8 nc no connect (float pin) 9 v cca +3.3v power supply for filters 10 v cco +5v power supply for output buffers 11 b out filtered analog blue video output from either b ina or b inb 12 g out filtered analog green video output from either g ina or g inb 13 r out filtered analog red video output from either r ina or r inb 14 v sso ground for output buffers 15 v ssa ground for filters 16 f sel logic input selects between (0) sd (8.0mhz) and (1) hd (30.0mhz) filters n/a v ss ground
VF8418 preliminary cmos ic unisonic technologies co., ltd 3 of 6 www.unisonic.com.tw qw-r502-944.a ? block diagram 6db 6db 6db rina (v in a) rinb (v in b) gina (y in a) ginb (y in b) bina (u in a) binb (u in b) r out (v out ) g out (y out ) b out (u out ) inmux (a/b) filter select (hd/sd)
VF8418 preliminary cmos ic unisonic technologies co., ltd 4 of 6 www.unisonic.com.tw qw-r502-944.a ? absolute maximum rating (beyond which the device may be damaged) parameter symbol ratings unit dc supply voltage v dd -0.3~6.5 v analog and digital i/o -0.3~v cco +0.3 v output current any one channel (do not exceed) 120 ma reliability information junction temperature t j +150 c operating temperature range t opr 0~70 c storage temperature range t stg -65~+150 c notes: 1. 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. 2. functional operation under any of these conditions is not implie d. performance and reliability are guaranteed only if operating conditions are not exceeded. ? recommended operating conditions parameter symbol min typ max unit v cco range v cco 4.75 5.0 5.25 v v cca range v cca 3.135 3.3 3.465 v ? thermal data parameter symbol ratings unit junction to ambient ja 80 /w ? electrical characteristics (t c =25 c , v in =1v pp , v cca = 3.3v, v cco = 5.0v, all inputs ac coupled with 0.1 f, all outputs ac coupled with 220 f into 150 ? , referenced to 400khz , unless otherwise noted ) parameter symbol test conditions min typ max unit su pp l y current ( note 1 ) i cca v cca no load 35 45 70 ma su pp l y current ( note 1 ) i cco v cco no load 30 45 60 ma input voltage max v in reference to ground 1.3 v di g ital in p ut low ( note 1 ) v il f sel , in mux 0 0.8 v di g ital in p ut hi g h ( note 1 ) v ih f sel , in mux 2.4 v cco v pssr (all channels) pssr dc -40 db
VF8418 preliminary cmos ic unisonic technologies co., ltd 5 of 6 www.unisonic.com.tw qw-r502-944.a ? standard definition electrical specifications (t c =25 c , v in =1v pp , v cca = 3.3v, v cco = 5.0v, f sel =0, all inputs dc coupled all outputs ac coupled with 220 f into 150 ? , referenced to 400khz, unless otherwise noted.) parameter symbol test conditions min typ max unit rgb sd gain ( note 1 ) av rgbsd r, g ,b channels sd mode 5.5 6.0 6.4 db -1db bandwidth for sd ( note 1 ) f 1dbsd r, g, b channels 4.5 6.0 mhz -3db bandwidth for sd f csd r, g, b channels 8.2 mhz attenuation: sd (stopband reject) ( note 1 ) f sbsd r, g, b channels at f = 27mhz -40 -55 db differential gain dg r, g, b channels 0.6 % differential phase d r, g, b channels 0.15 output distortion (all channels) thd v out =1.8v pp , rgb out at 1mhz 0.4 % crosstalk (channel-to-channel) x talk at 1mhz -70 db in mux isolation in muxiso at 1mhz -90 db signal-to-noise ratio snr r,g,b channels, ntc-7 weighting 4.2mhz lowpass, 100khz highpass -73 db prop delay for sd t pdsd delay from input to output at 4.5mhz 70 ns ? highd definition electrical specifications (t c = 25 c , v in =1v pp , v cca = 3.3v, v cco = 5.0v, f sel =1, all inputs dc coupled, all outputs ac coupled with 220 f into 150 ? , referenced to 400khz, unless otherwise noted. ) parameter symbol test conditions min typ max unit rgb hd gain ( note 1 ) av rgbhd r, g, b channels hd mode 5.6 6.0 6.4 db -1db bandwidth for hd ( note 1 ) f 1dbhd r, g, b channels 20 23 mhz -3db bandwidth for hd f chd r, g, b channels 32 mhz attenuation: hd (stopband reject) ( note 1 ) f sbhd r, g, b channels at f=74.25mhz -30 -36 db crosstalk (channel-to-channel) x talk at 1mhz -70 db in mux isolation in muxiso at 1mhz -90 db signal-to-noise ratio snr r, g, b channels -73 db prop delay for hd t pdhd delay from input to output at 20mhz 20 ns note: 1. 100% tested at 25c
VF8418 preliminary cmos ic unisonic technologies co., ltd 6 of 6 www.unisonic.com.tw qw-r502-944.a ? typical application circuit 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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