View KA2141_6011453.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

r/g/b video amplifier for monitors KA2141 1 r/g/b video amplifier the KA2141 is a very high frequency video amplifier system to be used in monitor. it contains 3 matched r/g/b video amplifiers with blank signal and clamp gate pulse and provides a flexible interfacing to dc controlled adjustment system functions ? r/g/b video amplifier ? contrast/sub contrast control ? brightness control ? blank gate/clamp gate ? video clamp features ? 3 - channel r/g/b video amplifier: 85mhz bandwidth. ? dc contrast control range: -38db (0v ~ 4v) ? dc sub contrast control range: -11db (0v ~ 4v) ? maximum video output level: 7vpp ? dc brightness control range: 0v ~ 4v ? include blank gate and clamp gate signal processing block
KA2141 r/g/b video amplifier for monitors 2 block diagram 11 bdrive gdrive rdrive rin vcc1 gin gnd1 bin const clp 12 13 14 15 16 17 18 19 20 bright rout rclp gout vcc2 gclp gnd2 bout bclp blk 10 9 8 7 6 5 4 3 2 1 video contrast video sub_contrast video contrast control video sub_contrast control contrast control blank gate clamp gate _ + a1 _ + a2 -a3 -a4 gm _ + 2.4v one (red) of three channels
r/g/b video amplifier for monitors KA2141 3 pin configurations table 1. pin configurations pin no symbol i/o configurations 1 bdrive i blue gain control 2 gdrive i green gain control 3 rdrive i red gain control 4 rin i red video input 5 v cc1 - v cc1 = 12v 6 gin i green video input 7 gnd1 - ground1 8 bin i blue video input 9 const i contrast control input 10 clp i clamp gate pulse input 11 blk i blank gate pulse input 12 bclp - blue clamp capacitor 13 bout o blue video output 14 gnd2 - ground2 15 gclp - green clamp capacitor 16 v cc2 - v cc2 = 12v 17 gout o green video output 18 rclp - red clamp capacitor 19 rout o red video output 20 bright i brightness control input
KA2141 r/g/b video amplifier for monitors 4 pin descrition table 2. pin description pin no pin name schematic description 4 6 8 red video input (rin) green video input (gin) blue video input (bin) max input video signal is 0.7vpp 9 1 2 3 video contrast (const) blue drive (bdrive) green drive (gdrive) red drive (rdrive) video maximum contrast control range (0v ~ 4v) is -38db sub contrast control range (0v ~ 4v) is -11db 5 17 v cc1 v cc2 - supply voltage 7 14 gnd1 gnd2 - ground 10 clamp gate input (clp) video amp actives when clamp gate signal is in low ttl level 2.4v bias vcc pin 9 pin 10
r/g/b video amplifier for monitors KA2141 5 11 blank gate input (blk) video amp actives when blank gate signal is in low ttl level 18 16 13 red video output (rout) green video output (gout) blue video output (bout) video signal output 12 15 19 blue clamp cap (bclp) green clamp cap (gclp) red clamp cap (rclp) brightness controlling actives by charging and discharging of the external cap (0.1uf) 20 bright control (bright) during the clamp gate period, video signal's dc level (clamp level) is fixed according to the brightness control voltage table 2. pin description (continued) pin no pin name schematic description pin 11 pin 13 vcc pin 12 vcc pin 20
KA2141 r/g/b video amplifier for monitors 6 absolute maximum ratings (ta = 25 c) electrical characteristics dc electrical characteristics: tamb = 25 c, v cc = 12v table 3. absolute maximum ratings no item symbol value unit min typ max 1 maximum supply voltage vccmax - - 13.5 v 2 operating temperature topr -25 - 70 c 3 storage temperature tstg -65 - 150 c 4 maximum power dissipation pdmax - - 1.7 w 5 thermal resistance (junction-ambient) q ja - 71 - c/w 6 junction temperature tj - 150 - c table 4. dc electrical characteristics parameter symbol conditions min typ max unit supply current i cc v4.6.8=none, v12.15.18=none v1.2.3.9.11=4v, v10=0v, v20=1v 60 80 100 ma max. supply current i ccmax same conditions of ica except vic=12.6v 75 95 115 ma r input bias voltage v rb same conditions of ica vcc=12v 2.0 2.4 2.8 v g input bias voltage v gb same conditions of icc vcc=12v 2.0 2.4 2.8 v b input bias voltage v bb same conditions of icc vcc=12v 2.0 2.4 2.8 v r clamp gate low input voltage v 10lr v4.6.8.12.15.18=none v1.2.3.9.11=4v, v20=1v v10=variable 0.8 1.5 3.0 v g clamp gate low input voltage v 10lg v4.6.8.12.15.18=none v1.2.3.9.11=4v, v20=1v v10=variable 0.8 1.5 3.0 v b clamp gate low input voltage v 10lb v4.6.8.12.15.18=none v1.2.3.9.11=4v, v20=1v v10=variable 0.8 1.5 3.0 v
r/g/b video amplifier for monitors KA2141 7 r clamp gete high input voltage v 10hr v4.6.8.12.15.18=none v1.2.3.9.11=4v, v20=1v v10=variable 0.8 1.5 3.0 v g clamp gete high input voltage v 10hg v4.6.8.12.15.18=none v1.2.3.9.11=4v, v20=1v v10=variable 0.8 1.5 3.0 v b clamp gete high input voltage v 10hb v4.6.8.12.15.18=none v1.2.3.9.11=4v, v20=1v v10=variable 0.8 1.5 3.0 v clamp gate low input current i 10l v4.6.8.12.15.18=none v1.2.3.9.11=4v, v20=1v, v10=0v -0.5 -0.2 - ua clamp gate low input current i 10h v4.6.8.12.15.18=none v1.2.3.9.11=4v, v20=1v, v10=12v - 0.01 1.0 ua r clamp-cap charge current iclampr+ v4.6.8=none, v12.15.18= variable v1.2.3.9.11=4v, v10=0v, v20=4v 0.45 0.75 1.05 ma g clamp-cap charge current iclampg+ v4.6.8=none, v12.15.18= variable v1.2.3.9.11=4v, v10=0v, v20=4v 0.45 0.75 1.05 ma b clamp-cap charge current iclampb+ v4.6.8=none, v12.15.18= variable v1.2.3.9.11=4v, v10=0v, v20=4v 0.45 0.75 1.05 ma r clamp-cap discharge current iclampr- v4.6.8=none, v12.15.18= variable v1.2.3.9.11=4v, v10=0v, v20=0v -1.05 -0.75 -0.45 ma g clamp-cap discharge current iclampg- v4.6.8=none, v12.15.18= variable v1.2.3.9.11=4v,v10=0v, v20=0v -1.05 -0.75 -0.45 ma b clamp-cap discharge current iclampb- v4.6.8=none, v12.15.18= variable v1.2.3.9.11=4v, v10=0v, v20=0v -1.05 -0.75 -0.45 ma r blank gate low input voltage v 11lr v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v20=1v, v11=variable 0.8 1.5 3.0 v table 4. dc electrical characteristics (continued) parameter symbol conditions min typ max unit
KA2141 r/g/b video amplifier for monitors 8 g blank gate low input voltage v 11lg v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v20=1v, v11 (2v ? 0v) 0.8 1.5 3.0 v b blank gate low input voltage v 11lb v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v20=1v, v11 (2v ? 0v) 0.8 1.5 3.0 v r blank gate high input voltage v 11hr v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v20=1v, v11 (0v ? 2v) 0.8 1.5 2.0 v g blank gate high input voltage v 11hg v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v20=1v, v11 (0v ? 2v) 0.8 1.5 2.0 v b blank gate high input voltage v 11hb v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v20=1v, v11 (0v ? 2v) 0.8 1.5 2.0 v blank gate low input current i 11l v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v20=1v, v11=0v -5.0 -2.0 - ua blank gate high input current i 11rl v4.6.8=none, v12.15.18= variable v1.2.3.9.11=4v, v10=0v, v20=0v - -0.01 1.0 ua r output low voltage v orl v4.6.8=none, v12.15.18= variable v1.2.3.9.11=4v, v10=0v, v20=0v - 0.1 0.2 v g output low voltage v octl v4.6.8=none, v12.15.18= variable v1.2.3.9.11=4v, v10=0v, v20=0v - 0.1 0.2 v b output low voltage v obl v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v20=1v, v11=variable - 0.1 0.2 v r output high voltage v orh v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v20=1v, v11 (2v ? 0v) 6.2 7.0 8.3 v g output high voltage v ogh v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v20=1v, v11 (2v ? 0v) 6.2 7.0 8.3 v b output high voltage v obrl v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v20=1v, v11 (0v ? 2v) 6.2 7.0 8.3 v r black level output voltage v orbl v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v20=1v, v11 (0v ? 2v) 0.7 1.0 1.3 v table 4. dc electrical characteristics (continued) parameter symbol conditions min typ max unit
r/g/b video amplifier for monitors KA2141 9 g black level output voltage b ogbl v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v20=1v, v11 (0v ? 2v) 0.7 1.0 1.3 v b black level output voltage v obbl v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v20=1v, v11=0v 0.7 1.0 1.3 v r-g black level output voltage d r-gbl v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v20=1v, v11=12v -0.3 - 0.3 v g-b black level output voltage d r-bbl v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v11=12v, v20=0v -0.3 - 0.3 v b-r black level output voltage d r-rbl v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v11=12v, v20=0v -0.3 - 0.3 v r blank output voltage v orb v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v11=12v, v20=0v - 0.05 0.5 v g blank output voltage b ogb v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v11=12v, v20=10v - 0.05 0.5 v b blank output voltage v obb v4.5.8.12.15.18=none, v10=0v v1.2.3.9=4v, v11=12v, v20=10v - 0.05 0.5 v r sub drive ctrl input current ird v4.5.8.12.15.18=none, v10=0v v1.2.3=0/4v, v9=4v, v11=4v, v20=1v - 0.25 2.0 ua g sub drive ctrl input current igd v4.5.8.12.15.18=none, v10=0v v1.2.3=0/4v, v9=4v, v11=4v, v20=1v - 0.25 2.0 ua b sub drive ctrl input current ibd v4.5.8.12.15.18=none, v10=0v v1.2.3=0/4v, v9=4v, v11=4v, v20=1v - 0.25 2.0 ua contrast control input current i con v4.5.8.12.15.18=none, v10=0v v1.2.3=4v, v9.20=0v, v11=4v - 0.25 2.0 ua brightness control input current ibrt v4.5.8.12.15.18=none, v10=0v v1.2.3=4v, v9.20=4v, v11=4v - 1.0 2.0 ua r spot killer voltage vspotr v4.5.8.12.15.18=none, v10=0v v1.2.3=4v, v9.20=4v, v11=4v 8.0 10.0 11.2 v g spot killer voltage vspotg v4.5.8.12.15.18=none, v10=0v v1.2.3=4v, v9.20=4v, v11=4v 8.0 10.0 11.2 v b spot killer voltage vspotb v4.5.8.12.15.18=none, v10=0v v1.2.3=4v, v9.20=4v, v11=4v 8.0 10.0 11.2 v table 4. dc electrical characteristics (continued) parameter symbol conditions min typ max unit
KA2141 r/g/b video amplifier for monitors 10 ac electrical characteristics: tamb = 25 c, v cc = 12v table 5. ac electrical characteristics parameter symbol conditions min typ max unit r video amp gain avmaxr v1.2.3.9.11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1/3v 15.5 17.5 19.5 db g video amp gain avmaxg v1.2.3.9.11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1/3v 15.5 17.5 19.5 db b video amp gain avmaxb v1. 2.3.9.11 = 4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1/3v 15.5 17.5 19.5 db r-g amp gain difference avr-g v1.2.3.9.11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v -1.0 - 1.0 db g-b amp gain difference avg-b v1.2.3.9.11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v -1.0 - 1.0 db b-r amp gain difference avb-r v1.2.3.9.11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v -1.0 - 1.0 db r sub dr. ctrl gain difference1 avdr1 v1.2.3=2v, v9.11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v -6.0 -4.0 -2.0 db g sub dr. ctrl gain difference1 avdg1 v1.2.3=2v, v9.11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v -6.0 -4.0 -2.0 db b sub dr. ctrl gain difference1 avdb1 v1.2.3=2v, v9.11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v -6.0 -4.0 -2.0 db r sub dr. ctrl gain difference2 avdr2 v1.2.3=0.25v, v9.11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v -13.0 -10.0 -7.0 db g sub dr. ctrl gain difference2 avdg2 v1.2.3=0.25v, v9.11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v -13.0 -10.0 -7.0 db b sub dr. ctrl gain difference avdb2 v1.2.3=0.25v, v9.11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v -13.0 -10.0 -7.0 db r contrast ctrl gain difference1 avcr1 v1.2.3=4v, v9=2v, v11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v -8.0 -6.0 -4.0 db g contrast ctrl gain difference avcg1 v1.2.3=4v, v9=2v, v11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v -8.0 -6.0 -4.0 db b contrast ctrl gain difference avcb1 v1.2.3=4v, v9=2v, v11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v -8.0 -6.0 -4.0 db
r/g/b video amplifier for monitors KA2141 11 r-g amp gain difference d avr-g v1.2.3=4v, v9=4/2v, v11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v -1.0 - 1.0 db g-b amp gain difference d avr-b v1.2.3=4v, v9=4/2v, v11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v -1.0 - 1.0 db b-r amp gain difference d avr-r v1.2.3=4v, v9=4/2v, v11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v -1.0 - 1.0 db r contrast ctrl gain difference2 avcr2 v1.2.3=4v, v9=0.25v, v11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v - -38.0 -30.0 db g contrast ctrl gain difference2 avcg2 v1.2.3=4v, v9=0.25v, v11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v - -38.0 -30.0 db b contrast ctrl gain difference2 avcb2 v1.2.3=4v, v9=0.25v, v11=4v, v12.15.18=none, v4.6.8=s1, v10=s8, v20=1v - -38.0 -30.0 db r video amp bandwidth rf-3db v4.6.8=s2, v12.15.18=variable v10=4v, v20=1/3v 70 85 - mhz g video amp bandwidth gf-3db v4.6.8=s2, v12.15.18=variable v10=4v, v20=1/3v 70 85 - mhz b video amp bandwidth bf-3db v4.6.8=s2, v12.15.18=variable v10=4v, v20=1/3v 70 85 - mhz r video amp thd r thd v4.5.8=s5, v12.15.18=none v1.2.3.10.11=4v, v9=variable - 1.0 5.0 % g video amp thd g thd v4.5.8=s5, v12.15.18=none v1.2.3.10.11=4v, v9=variable - 1.0 5.0 % b video amp thd b thd v4.5.8=s5, v12.15.18=none v1.2.3.10.11=4v, v9=variable - 1.0 5.0 % r video amp is01-10k r iso1-10k v4=s3, v6.8=none, v20=1v v12.15.18=variable v1.2.3.9.10.11=4v - -65 -45 db r video amp is02-10k r iso2-10k v4=s3, v6.8=none, v20=1v v12.15.18=variable, v1.2.3.9.10.11=4v - -65 -45 db g video amp is01-10k g iso1-10k v4.8=none, v6=s3, v20=1v v12.15.18=variable, v1.2.3.9.10.11=4v - -65 -45 db g video amp is02-10k g iso2-10k v4.8=none, v6=s3, v20=1v v12.15.18=variable, v1.2.3.9.10.11=4v - -65 -45 db table 5. ac electrical characteristics (continued) parameter symbol conditions min typ max unit
KA2141 r/g/b video amplifier for monitors 12 b video amp is01-10k b iso1-10k v4.6=none, v8=s3, v20=1v v12.15.18=variable, v1.2.3.9.10.11=4v - -65 -45 db b video amp is02-10k b iso2-10k v4.6=none, v8=s3, v20=1v v12.15.18=variable, v1.2.3.9.10.11=4v - -65 -45 db r video amp is01-10m r iso1-10m v6.8=none, v4=s3, v20=1v v12.15.18=variable, v1.2.3.9.10.11=4v - -50 -35 db r video amp is02-10m r iso2-10m v6.8=none, v4=s3, v20=1v v12.15.18=variable, v1.2.3.9.10.11=4v - -50 -35 db g video amp is01-10m g iso1-10m v6=s3, v4.8=none - -50 -35 db g video amp is02-10m g iso2-10m v6=s3, v4.8=none - -50 -35 db b video amp is01-10m b iso1-10m v8=s3, v4.6=none - -50 -35 db b video amp is02-10m b iso2-10m v8=s3, v4.6=none - -50 -35 db r video rising time trr v4.6.8=s6, v12.15.18=none v1.2.3.11=4v, v10=s8, v20=1v v9=variable - 4.0 5.0 ns g video rising time trg v4.6.8=s6, v12.15.18=none v1.2.3.11=4v, v10=s8, v20=1v v9=variable - 4.0 5.0 ns b video rising time trb v4.6.8=s6, v12.15.18=none v1.2.3.11=4v, v10=s8, v20=1v v9=variable - 4.0 5.0 ns r video falling time tfr v4.6.8=s6, v12.15.18=none v1.2.3.11=4v, v10=s8, v20=1v v9=variable - 4.0 5.0 ns g video falling time tfg v4.6.8=s6, v12.15.18=none v1.2.3.11=4v, v10=s8, v20=1v v9=variable - 4.0 5.0 ns b video falling time tfb v4.6.8=s6, v12.15.18=none v1.2.3.11=4v, v10=s8, v20=1v v9=variable - 4.0 5.0 ns r blank output rising time trblankr v4.6.8.12.15.18=none v1.2.3.9=4v, v11=s7, v10=0v v20=variable - 6.0 15.0 ns table 5. ac electrical characteristics (continued) parameter symbol conditions min typ max unit
r/g/b video amplifier for monitors KA2141 13 g blank output rising time trblankg v4.6.8.12.15.18=none v1.2.3.9=4v, v11=s7, v10=0v v20=variable - 6.0 15.0 ns b blank output rising time trblankb v4.6.8.12.15.18=none v1.2.3.9=4v, v11=s7, v10=0v v20=variable - 6.0 15.0 ns r blank output falling time tfblankr v4.6.8.12.15.18=none v1.2.3.9=4v, v11=s7, v10=0v v20=variable - 7.0 20.0 ns g blank output falling time tfblankg v4.6.8.12.15.18=none v1.2.3.9=4v, v11=s7, v10=0v v20=variable - 7.0 20.0 ns b blank output falling time tfblankb v4.6.8.12.15.18=none v1.2.3.9=4v, v11=s7, v10=0v v20=variable - 7.0 20.0 ns table 5. ac electrical characteristics (continued) parameter symbol conditions min typ max unit
KA2141 r/g/b video amplifier for monitors 14 application circuit + 10uf + 470uf 0.1uf 12v 100 red in 75 blue in red out 0.1uf 390 + 100uf green out blue out 0.1uf b_drv 0.1uf 100 g_drv 0.1uf 100 r_drv 0.1uf 33 + 10uf green in 75 33 + 10uf 75 33 + 100uf 0.1uf 100 const in 0.1uf 100 clp in 100 bright in 0.1uf 390 390 0.1uf 0.1uf 100 blk in vcc2 16 gnd2 14 bout 13 bclp 12 blk 11 gclp 15 bdrive 1 gdrive 2 rdrive 3 rin 4 vcc1 5 gin 6 gnd1 7 bin 8 const 9 clp 10 bright 20 rclp 18 gout 17 rout 19 KA2141

▲Up To Search▲

Price & Availability of KA2141

	To Download KA2141 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .