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mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 1 osd blk in 18 1 36 2 35 3 34 4 33 5 32 6 31 7 30 8 29 9 28 10 27 11 26 12 25 13 24 14 23 15 22 16 21 17 M52749FP input(r) vcc1(r) osd in (r) gnd 1 (r) input(g) vcc1 (g) osd in (g) gnd 1 (g) input (b) vcc1 (b) osd in (b) gnd 1 (b) vcc=5v vcc 2 output(r) gnd 2 output(g) contrast ref. main brightness output(b) contrast cont. retrace blk in d/a out1 d/a out3 d/a out4 gnd(5v) sda d/a out2 scl clamp pulse in input(sog) abl in nc sog sep out nc gnd 19 20 gnd gnd 37 nc 38 39 40 41 42 nc d/a out5 discription M52749FP is semiconductor integrated circuit for crt display monitor. it includes osd blanking,osd mixing,retrace blanking,wide band amplifier,brightness control. main/sub contrast and osd adjustfunction . ?requency band width: rgb 180mhz(3vp-p at -3db) osd 80mhz input : rgb 0.7vp-p(typ) osd 3vp-p minimum(positive) blk(for osd) 3vp-p minimum(positive) retrace blk 3vp-p minimum(positive) output : rgb 5.5vp-p(maximum) osd 3.5vp-p(maximum) ?ain contrast , sub contrast , osd adjust and 5ch d/a out can be controlled by i2c bus. structure bipolar silicon monolithic ic application crt display monitor recommended operating conditions supply voltage range 11.5v~12.5v(v3,v8,v12,v42) 4.5v~5.5v(v19) rated supply voltage 12.0v(v3,v8,v12,v42) 5.0v(v19) major specification bus controlled 3ch video pre-amp with osd mixing function and retrace blanking function features pin configuration package:42p9r
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 scl vcc 5v (digital) sda dac o u t p u t clamp pulse in main brightness r input r vcc 12v r output r osd in clamp sub contrast main contrast osd mix amp clamp f/b retrace blanking retrace blanking g input g vcc 12v g output g osd in main contrast ref clamp main contrast osd mix amp clamp f/b retrace blanking b input b vcc 12v b output b osd in clamp main contrast osd mix amp clamp f/b retrace blanking contrast(abl) in osd blanking dac osd level 4bit main contrast 8bit bus i/f b sub cont 8bit vcc=12v 4 2 9 6 13 11 17 21 42 14 1 26 27 28 29 24 22 23 19 16 31 33 12 10 35 38 8 5 41 3 30 34 sync on green sep g input sog sep out 7 20 sub contrast sub contrast g sub cont 8bit r sub cont 8bit fig. 1 block diagram main contrast cont 25 39 36 32 2
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 absolute maximum rating (ambient temperature: 25 c) thermal derating curve ambient temperatureta( c) permissible power dissipation pd (mw) attached board -20~+75 vcc 12 pd topr tstg vopr12 vopr'12 13.0 2900 -40~+150 12.0 11.5~12.5 (typ 12.0) v mw c c v v supply voltage(pin3,8,12,42) ambient temperature storage temperature recommended supply12 power dissipation voltage range12 parameter symbol rating unit vcc 5 6.0 v supply voltage(pin19) vopr'5 4.5~5.5 (typ 5.0) v voltage range5 vopr5 5.0 v recommended supply5 0 2000 1600 1200 800 400 ?|20 25 50 85 75 100 125 150 2400 2800 3200 0 2900 3
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 (1) slave address: no. function bit sub add. data byte(up:bit information down:preset) d7 d6 d5 d4 d3 d2 d1 d0 1 main contrast 8 01h a07 a06 a05 a04 a03 a02 a01 a00 0 1 0 0 0 0 0 0 2 sub contrast r 8 02h a17 a16 a15 a14 a13 a12 a11 a10 1 0 0 0 0 0 0 0 3 sub contrast g 8 03h a27 a26 a25 a24 a23 a22 a21 a20 1 0 0 0 0 0 0 0 4 sub contrast b 8 04h a37 a36 a35 a34 a33 a32 a31 a30 1 0 0 0 0 0 0 0 5 osd level 4 - - - - a43 a42 a41 a40 0 0 0 0 1 0 0 0 6 06h 7 d/a out1 8 07h a67 a66 a65 a64 a63 a62 a61 a60 1 0 0 0 0 0 0 0 8 d/a out2 8 08h a77 a76 a75 a74 a73 a72 a71 a70 1 0 0 0 0 0 0 0 9 d/a out3 8 09h a87 a86 a85 a84 a83 a82 a81 a80 1 0 0 0 0 0 0 0 10 d/a out4 8 a97 a96 a95 a94 a93 a92 a91 a90 1 0 0 0 0 0 0 0 00h (2) each function's sub address: bus control table d7 d6 d5 d4 d3 d2 d1 r/w 1 0 0 0 1 0 0 0 =88h 0ah d/a out5 8 aa7 aa6 aa5 aa4 aa3 aa2 aa1 aa0 1 0 0 0 0 0 0 0 4
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 sda,scl characteristics parameter symbol min max unit min. input low voltage. max. input high voltage. scl clock frequency. time the bus must be free before a new transmission can start. hold time start condition.after this period the first clock pulse is generated. the low period of the clock. the high period of the clock. srt up time for start condition. (only relevant for a repeated start condition.) hold time data. set-up time data. rise time of both sda and scl lines. fall time of both sda and scl lines. set-up time for stop condition. f scl t buf t hd:sta t low t high t su:sta t hd:dat t su:dat t r t f t su:sto v il v ih -0.5 1.5 v 3.0 5.5 v 0 400 khz 1.3 0.6 1.3 0.6 0.6 0.1 100 300 300 0.6 us ns ns ns us us us us us - - - - - - - - - - t r, t f t buf t low t high t hd:dat t su:dat sda scl v il v ih v il v ih t hd:sta t su:sta t su:sto s s p s i c bus control section 2 5 us
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 6 1 2 3 4 5 6 7 8 9 10 11 12 13 circuit current1 icc1 icc2 ma 110 ma vomax b sg5 b sg5 b sg5 b sg5 b sg5 b sg5 b sg5 b sg5 b sg5 4.0 4.0 b sg2 vimax b sg2 variable 2.0 gv b sg1 2.0 14 vc1 b sg1 b sg1 b sg1 b sg1 2.0 2.0 2.0 2.0 vc1 vc2 vc2 vsc1 vsc1 vsc2 vsc2 18 i a i b 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 vc3 vc3 out out out out out out out b sg1 b sg5 a a a a a a a a a a a a a a a a a a a a a 15 16 ffh 255 ffh 255 ffh 255 ffh 255 00h 0 ffh 255 ffh 255 ffh 255 ffh 255 64h 100 ffh 255 c8h 200 64h 100 14h 20 ffh 255 64h 100 64h 100 64h 100 c8h 200 c8h 200 c8h 200 6.0 8.0 vp-p 1.6 16.5 17.7 19.4 vp-p db 0.8 1.0 1.2 15.5 17.0 18.5 db 0.8 1.0 1.2 10.5 db 0.8 1.0 1.2 0.2 0.4 0.6 vp-p 0.8 1.0 1.2 15.5 17.0 18.5 db 0.8 1.0 1.2 12.0 db 0.8 1.0 1.2 in out a a a a a a a a a a a a a a a a a a a a 2.0 5.0 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ffh 255 - - - - - - - - - - - 130 22 - - 9.0 12.0 10.5 13.5 circuit current2 output dynamic range maximum input maximum gain relative maximum gain main contrast control characteristics 1 main contrast control relative characteristics 1 sub contrast control characteristics 1 sub contrast control relative characteristics 1 main contrast control characteristics 2 main contrast control relative characteristics 2 main contrast control characteristics 3 main contrast control relative characteristics3 sub contrast control characteristics 2 sub contrast control relative characteristics 2 - - variable note1 note2 note3 note4 note5 note6 note7 note8 note9 note10 note11 note13 note15 note12 note14 note16 ffh 255 min typ max no rgb in osd in cp in 30 34 osd blk abl ret blk bright bus ctl ( h ) sog in 00h main cont 01h 02h 03h 04h 06h 07h 08h 09h sub cont 1 sub cont 2 sub cont 3 osd adj d/a out1 d/a out2 d/a out3 d/a out4 ctl voltage parameter symbol test point(s) input standard unit re- mark 2 6 11 1 4 9 13 21 7 17 0ah d/a out5 supplementary table1 electrical characteristics (vcc = 12v,5v; ta = 25c unless otherwise specified) gv a - - - -
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 7 vmsc vmsc vb1 vb1 vb2 vb2 vb3 vb3 vp-p 0.8 1.0 1.2 fc1 fc1 4.0 3.4 4.6 vsc3 vsc3 abl control relative characteristics 1 abl1 abl1 abl2 abl2 2.0 5.0 ffh 255 14h 20 14h 20 14h 20 00h 0 ffh 255 ffh 255 ffh 255 ffh 255 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 out 2.0 5.0 out 2.0 4.0 out 2.0 2.0 out 4.0 5.0 out 2.0 5.0 out 1.0 5.0 out 5.0 out c8h 200 c8h 200 c8h 200 c8h 200 ffh 255 ffh 255 ffh 255 ffh 255 0.7 1.2 1.5 vp-p 0.8 1.0 1.2 4.6 5.4 6.2 vp-p 2.3 2.8 3.3 0.8 1.0 1.2 vp-p 0.8 1.0 1.2 3.6 4.0 4.4 -0.3 0 0.3 1.8 2.1 2.4 0.9 1.1 1.3 v -2.0 0 2.5 db -1.0 0 1.0 db b sg1 a a a a a a a a a a a a a a a a - - b sg1 b sg1 b sg3 b sg1 - - a 5v b sg5 b sg5 b sg5 b sg5 b sg5 b sg5 b sg5 a a a a a a a a - a a a a a a a a - - - - - - - - - - - - - - - - - - - - - - - - - - - -0.3 0 0.3 -0.3 0 0.3 note17 note18 note19 note20 note21 note22 note23 note24 note25 note26 note27 note29 note31 note28 note30 note32 - - - - sub contrast control characteristics 3 sub contrast control relative characteristics 3 main/sub contrast control characteristics main/sub contrast control relative characteristics abl control characteristics 1 abl control relative characteristics2 abl control characteristics 2 brightness control characteristics 1 brightness control relative characteristics 1 brightness control characteristics 2 brightness control relative characteristics 2 brightness control characteristics 3 brightness control relative characteristics 3 frequency characteristics 1 (f=50mhz) frequency relative characteristics 1 (f=50mhz) variable vari able v v ffh 255 min typ max no rgb in osd in cp in 30 34 osd blk abl ret blk bright bus ctl ( h ) sog in 00h main cont 01h 02h 03h 04h 06h 07h 08h 09h sub cont 1 sub cont 2 sub cont 3 osd adj d/a out1 d/a out2 d/a out3 d/a out4 ctl voltage parameter symbol test point(s) input standard unit re- mark 2 6 11 1 4 9 13 21 7 17 0ah d/a out5 v v v a a a - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 8 fc2 fc2 crosstalk 1 (f=50mhz) crosstalk 1 (f=180mhz) ct1 ct1' tr tf vthcp wcp ct2 ct2' ct3 ct3' fc1' fc1' 5.0 00h 0 ffh 255 ffh 255 ffh 255 ffh 255 33 34 35 36 37 38 39 40 41 42 43 44 45 46 out ffh 255 ffh 255 ffh 255 5.0 out 5.0 out(33) out(38) 2 b sg3 6 a 11a 5.0 2 a 6 b sg3 11a 5.0 2 a 6 a 11b sg3 5.0 out 5.0 2 b sg3 6 a 11a 5.0 out(33) out(41) 2 a 6 b sg3 11a 5.0 out(38) out(41) 2 a 6 a 11b sg3 5.0 out 2.0 5.0 out 2.0 5.0 out b sg5 variable ffh 255 ffh 255 -3.0 0 3.0 db -1.0 0 1.0 db -3.0 3.0 5.0 db -1.0 0 1.0 db -25 -20 db -20 -15 db - - -25 -20 db -20 -15 db - - -25 -20 db -20 -15 db - - 2.0 2.0 ns ns 1.0 1.5 2.0 v 0.2 - us b sg3 - b sg3 - - - - - - - a a a a a 5v a 5v a - a - a - a - - - a a a a a a a a a a a a a a a a a a a a a 5v a 5v a 5v a 5v a 5v a 5v b sg5 b sg5 b sg5 variable a a a a a a a a a a a a a a a a a a a a b sg1 b sg1 b sg1 b sg1 - - 2.8 2.8 out(33) out(38) out(33) out(41) out(38) out(41) frequency characteristics 1 (f=180mhz) frequency relative characteristics 1 (f=180mhz) frequency characteristics 2 (f=180mhz) frequency relative characteristics 2 (f=180mhz) crosstalk 2 (f=50mhz) crosstalk 2 (f=180mhz) crosstalk 3 (f=50mhz) crosstalk 3 (f=180mhz) pulse characteristics 1 (3vp-p) pulse characteristics 2 (3vp-p) clamp pulse threshold voltage clamp pulse minimum width note33 note34 note35 note36 note37 note38 note39 note40 note41 note42 note43 note44 note45 note46 variable variable variable variable variable variable variable variable variable variable vari able vari able vari able - - - - - ffh 255 min typ max no rgb in osd in cp in 30 34 osd blk abl ret blk bright bus ctl ( h ) sog in 00h main cont 01h 02h 03h 04h 06h 07h 08h 09h sub cont 1 sub cont 2 sub cont 3 osd adj d/a out1 d/a out2 d/a out3 d/a out4 ctl voltage parameter symbol test point(s) input standard unit re- mark 2 6 11 1 4 9 13 21 7 17 0ah d/a out5
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 9 oaj1 oaj1 hblk1 vthret oaj3 oaj3 vthosd vthblk otr otf ss - nv ss - sv 2.0 5.0 08h 8 ffh 255 ffh 255 ffh 255 ffh 255 47 48 49 50 51 52 53 54 55 56 57 60 out ffh 255 ffh 255 ffh 255 ns ffh 255 2.0 5.0 out 2.0 5.0 out 2.0 5.0 out 2.0 5.0 out 2.0 5.0 out 2.0 5.0 out 2.0 5.0 out 2.0 5.0 song in syncout 2.0 5.0 song in syncout 0fh 15 08h 8 00h 0 08h 8 00h 0 3.0 6.0 3.0 6.0 ns 3.5 vp-p 0.8 1.0 1.2 1.5 vp-p 0.8 1.0 1.2 2.2 2.7 3.2 v 2.2 2.7 3.2 v 0.3 v 1.0 1.5 2.0 v 0.03 0.2 vp-p vp-p - a a a a a a a a a a a a a a a a a b sg5 b sg5 b sg5 b sg5 b sg5 b sg5 b sg5 b sg5 b sg6 b sg6 b sg6 b sg6 b sg6 variable b sg6 b sg6 a a b sg6 b sg6 variable a b sg1 b sg7 variable b sg7 a a b sg4 variable a a a a a a a a a a a a a a a a oaj2 oaj2 2.0 5.0 out a a b sg5 b sg6 b sg6 a 61 62 2.8 vp-p 0.8 1.0 1.2 08h 8 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - osd pulse characteristics 1 osd pulse characteristics 2 osd adjust control characteristics 1 osd adjust control relative characteristics 1 osd adjust control characteristics 2 osd adjust control relative characteristics 2 osd adjust control characteristics 3 osd adjust control relative characteristics 3 osd input threshold voltage osd blk input threshold voltage retrace blk characteristics 1 retrace blk input threshold voltag sog input maximum noise voltage sog minimum input voltage note47 note48 note51 note52 note53 note54 note55 note56 note57 note60 note61 note62 - - - b sg4 variable note49 note50 - - - ffh 255 - 0.6 2.8 4.2 2.25 3.35 1.2 1.8 min typ max no rgb in osd in cp in 30 34 osd blk abl ret blk bright bus ctl ( h ) sog in 00h main cont 01h 02h 03h 04h 06h 07h 08h 09h sub cont 1 sub cont 2 sub cont 3 osd adj d/a out1 d/a out2 d/a out3 d/a out4 ctl voltage parameter symbol test point(s) input standard unit re- mark 2 6 11 1 4 9 13 21 7 17 0ah d/a out5
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 10 sync output delay time1 sync output hi level vsh vsl tds-f tds-r voh vol ia- dnl vdc vdc ma lsb 2.0 5.0 65 66 67 68 69 70 sync out 2.0 5.0 sync out 2.0 5.0 sync out 2.0 5.0 sync out d / aout 2.0 5.0 d / aout 2.0 5.0 d / aout 2.0 5.0 d / aout 2.0 5.0 ffh 255 ffh 255 ffh 255 ffh 255 00h 0 ffh 255 ffh 255 ffh 255 ffh 255 00h 0 00h 0 00h 0 00h 0 4.5 4.9 5.0 v 0 0.3 0.6 v 0 60 90 ns 0 60 90 ns 4.5 5.0 5.5 0 0.5 1.0 0.18 -1.0 1.0 63 64 a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a b sg4 b sg4 b sg4 b sg4 d/a h output voltage d/aout input current d/a nonlinearity d/a l output voltage note63 note64 note65 note66 note67 note68 note69 note70 sync output lo level sync output delay time2 vari able vari able vari able vari able ia+ 69a d / aout 2.0 5.0 a a a a a a d/aout output current 00h 0 00h 0 00h 0 00h 0 00h 0 00h 0 00h 0 00h 0 00h 0 ffh 255 ffh 255 ffh 255 ffh 255 00h 0 ma 1.0 note69a - ffh 255 00h 0 vari able 00h 0 min typ max no rgb in osd in cp in 30 34 osd blk abl ret blk bright bus ctl ( h ) sog in 00h main cont 01h 02h 03h 04h 06h 07h 08h 09h sub cont 1 sub cont 2 sub cont 3 osd adj d/a out1 d/a out2 d/a out3 d/a out4 ctl voltage parameter symbol test point(s) input standard unit re- mark 2 6 11 1 4 9 13 21 7 17 0ah d/a out5 - - - -
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 11 note1) measuring conditions are as listed in supplementary table. measured with a current meter at test point ia. note2) measuring conditions are as listed in supplementary table. measured with a current meter at test point ib. note3) decrease v34 gradually, and measure the voltage when the bottom of waveform output is distorted. the voltage is called vol. next, increase v34 gradually, and measure the voltage when the top of waveform output is distorted. the voltage is called voh. voltagr vomax is calculated by the equation below: vomax = voh - vol note4) increase the input signal(sg2) amplitude gradually, starting from 700mvp-p. measure the amplitude of the input signal when the output signal starts becoming distorted. note5) input sg1, and read the amplitude output at out(33,38,41). the amplitude is called vout(33,38,41).maximum gain gv is calculated by the equation below: note6) relative maximum gain gv is calculated by the equation below: gv=vout(33)/vout(38), vout(38)/vout(41), vout(41)/vout(33) note7) measuring the amplitude output at out(33,38,41). the measured value is called vout(33,38,41). main contrast conrol characteristics vc1 is calculated by the equation below: note8) relative characteristics vc1 is calculated by the equation below: vc1=vout(33)/vout(38) , vout(38)/vout(41) , vout(41)/vout(33) note9) measuring condition and procedure are the same as described in note7. note10) measuring condition and procedure are the same as described in note8. note11) measuring the amplitude output at out(33,38,41). the measured value is called vout(33,38,41). note12) measuring condition and procedure are the same as described in note8. vout 0.7 gv=20 log (db) vout 0.7 vc1=20 log (db) waveform output 0.0 (v) 5.0 voh vol
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 12 note13) measure the amplitude output at out(33,38,41). the measured value is called vout(33,38,41). sub contrast conrol characteristics vsc1 is calculated by the equation below: note14) relative characteristics vsc1 is calculated by the equation below: vsc1=vout(33)/vout(38) , vout(38)/vout(41) , vout(41)/vout(33) note15) measuring condition and procedure are the same as described in note13. note16) measuring condition and procedure are the same as described in note14. note17) measure the amplitude output at out(33,38,41). the measured value is called vout(33,38,41). note18) measuring condition and procedure are the same as described in note14. note19) measure the amplitude output at out(33,38,41). the measured value is called vmsc. note20) relative characteristics vmsc is calculated by the equation below: vmsc=vout(33)/vout(38) , vout(38)/vout(41) , vout(41)/vout(33) note21) measure the amplitude output at out(33,38,41). the measured value is called vout(33,38,41), and is treated as abl1. note22) relative characteristics abl1 is calculated by the equation below: abl1=vout(33)/vout(38) , vout(38)/vout(41) , vout(41)/vout(33) note23) measuring condition and procedure are the same as described in note21. note24) measuring condition and procedure are the same as described in note22. note25) measure the dc voltage at out(33,38,41) with a voltmeter. the measured value is called vout(33,38,41), and is treated as vb1. note26) relative characteristics vb1 is calculated by the difference in the output between the channels. vb1=vout(33)?|vout(38) , vout(38)?|vout(41) , vout(41)?|vout(33) note27) measuring condition and procedure are the same as described in note25. note28) measuring condition and procedure are the same as described in note26. note29) measuring condition and procedure are the same as described in note25. note30) measuring condition and procedure are the same as described in note26. vout 0.7 vsc1=20 log (db)
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 13 note31) first, sg3 to 1mhz is as input signal. input a resister that is about 2kohm to offer the voltage at input pins(2,6,11) in order that the bottom of input signal is 2.5v. control the main contrast in order that the amplitude of sine wave output is 4.0vp-p. control the brightness in order that the bottom of sine wave output is 2.0vp-p. by the same way, measure the output amplitude when sg3 to 50mhz is as input signal. the measured value is called vout(33,38,41). frequency characteristics fc1(33,38,41) is calculated by the equation below: note32) relative characteristics fc1 is calculated by the difference in the output between the channels. note33) measuring condition and procedure are the same as described in note31,except sg3 to 180mhz. note34) relative characteristics fc1' is calculated by the difference in the output between the channels. note35) sg3 to 1mhz is as input signal. control the main contrast in order that the amplitude of sine wave output is 1.0vp-p. by the same way, measure the output amplitude when sg3 to 150mhz is as input signal. the measured value is called vout(33,38,41). frequency characteristics fc2(33,38,41) is calculated by the equation below: note36) relative characteristics fc2 is calculated by the difference in the output between the channels. note37) input sg3 (50mhz) to pin2 only, and then measure the waveform amplitude output at out(33,38,41).the measured value is called vout(33,38,41). crosstalk ct1 is calculated by the equation below: note38) measuring condition and procedure are the same as described in note37,except sg3 to 180mhz. note39) input sg3 (50mhz) to pin6 only, and then measure the waveform amplitude output at out(33,38,41).the measured value is called vout(33,38,41). crosstalk ct2 is calculated by the equation below: note40) measuring condition and procedure are the same as described in note39,except sg3 to 180mhz. note41) input sg3 (50mhz) to pin11 only, and then measure the waveform amplitude output at out(33,38,41).the measured value is called vout(33,38,41). crosstalk ct2 is calculated by the equation below: note42) measuring condition and procedure are the same as described in note41,except sg3 to 180mhz. vout(33,38) ct1=20 log (db) vout(41) vout(33,41) ct2=20 log (db) vout(38) (db) vout(38,41) ct3=20 log vout(33) vout vp-p fc1=20 log (db) output amplitude when inputted sg3(1mhz) : 4.0vp-p vout vp-p fc2=20 log (db) output amplitude when inputted sg3(1mhz) : 4.0vp-p
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 14 note43) control the main contrast (00h) in order that the amplitude of output signal is 3.0vp-p. control the brightness (v34) in order that the black level of output signal is 2.0v. measure the time needed for the input pulse to rise from 10% to 90% (tr1) and for the output pulse to rise from 10% to 90% (tr2) with an active probe. pulse characteristics tr is calculated by the equations below : note44) measure the time needed for the input pulseto fall from 90% to 10% (tf1) and for the output pulse to fall from 90% to 10% (tf2) with an active probe. pulse characteristics tf is calculated by the equations below : note45) turn down the sg5 input level gradually from 5.0vp-p, monitoring the waveform output. measure thetop level of input pulse when the output pedestal voltage turn decrease with unstable. note46) decrease the sg5 pulse width gradually from 0.5us, monitoring the output. measure the sg5 pulse width (a point of 1.5v) when the output pedestal voltage turndecrease with unstable. 100 % 90 % 0 % 10 % tr1 or tr2 tf1 or tf2 tr= (tr2)-(tr1) (nsec) 2 2 tr= (tf2)-(tf1) (nsec) 2 2
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 15 note47) measure the time needed for the output pulse to rise from 10% to 90% (otr) with an active probe. note48) measure the time needed for the output pulse to fall from 90% to 10% (otf) with an active probe. note49) measure the amplitude output at out(33,38,41). the measured value is called vout(33,38,41), and is treated as oaj1. note50) relative characteristics oaj1 is calculated by the equation below: oaj1=vout(33)/vout(38)?avout(38)/vout(41)?avout(41)/vout(33) note51) measuring condition and procedure are the same as described in note49. note52) measuring condition and procedure are the same as described in note50. note53) measuring condition and procedure are the same as described in note49. note54) measuring condition and procedure are the same as described in note50. note55) reduce the sg6 input level gradually, monitoring output. measure the sg6 level when the output reaches 0v. the measured value is called vthosd. note56) confirm that output signal is being blanked by the sg6 at the time. monitoring to output signal, decreasing the level of sg6. measure the top level of sg6 when the blanking period is disappeared. the measured value is called vthblk. note57) measure the amplitude output is blanked by the sg7 at out(33,38,41). the measured value is called vout(33,38,41), and is treated as hblk1. note60) confirm that output signal is being blanked by the sg7 at the time. monitoring to output signal, decreasing the level of sg7. measure the top level of sg7 when the blanking period is disappeared. the measured value is called vthret.
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 16 note61) the sync's amplitude of sg4 be changed all white into all black, increase from 0vp-p to 0.02vp-p. no pulse output permitted. note62) the sync's amplitude of sg4 be changed all white or all black, decrease from 0.3vp-p to 0.2vp-p. confirm no malfunction produced by noise. note63) measure the high voltage at syncout. the measured value is treated as vsh. note64) measure the low voltage at syncout. the measured value is treated as vsl. note65) syncout becomes high with sink part of sg4. measure the time needed for the rear edge of sg4 sink to fall from 50% and for syncout to rise from 50% with an active prove. the measured value is treated as tds-f ,less than 90nsec. note66) measure the time needed for the rear edge of sg4 sink to rise from 50% and for syncout to fall from 50% with an active prove. the measured value is treated as tds-r ,less than 90nsec. note67) measure the dc voltage at d/aout. the measured value is treated as voh. note68) measure the dc voltage at d/aout. the measured value is treated as vol. note69) ia- is minimum input-current when input 1v dc to d/aout. note69a) ia+ is maximum output-current from d/aout. note70) the difference of differential non- linearity of d/aout must be less than 1.0lsb. pedestal voltage sync (50%) sg4 syncout tds-r tds-f (50%) d/a out a 1v dc ia- +
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 pulse with amplirude of 0.7vp-p (f=30khz). video width of 25us. (75%) sg no. input signal sg1 video signal (all white) sg2 video signal (step wave) sg3 sine wave (for freq. char.) sg4 videosignal (all white,all black) sg5 clamp pulse sg6 osd pulse sg7 blk pulse 8us 33us 0.5us 5us 0.7v pp 0.7v p-p (amplitude is variable.) 0.7v pp 0.3v pp 5v ttl 5v ttl 5v ttl sine wave amplitude of 0.7vp-p. f=1mhz,50mhz,180mhz(variable) video width of 25us. (75%) sync's amplitude is variable. pulse width and amplitude are variable. amplitude is variable. amplitude is variable. f=30khz 3us 5us all white or all black variable. 17
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 test circuit : measure point capacitor:0.01 uf(unless otherwise specified.) a b sw 1k v34 gnd 12v v17 sw9 sw4 sg6 12v a b sw1 sw2 a b sw11 blk r osd gnd 12v g osd s on g gnd 12v b osd abl sg4 12v out gnd out out gnd dac dac dac dac brt blk scl sda c / p 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 17 18 16 a b sw6 1u sw7 0~5v 0~5v i a sg1 sg2 sg3 a 1k 1k scl sda out(41) out(38) out(33) in(11) s on g in in(6) in(2) sg7 d/a out1 d/a out2 d/a out3 d/a out4 a b a b a b a b a b sw13 0.01u 3.3u 0.01u 3.3u 0.01u 3.3u c/p in sg5 a b sw 21 100uh 100 47u 5v sync 1k i b a 5v sync out 47u nc c/c c/r 2.2u 19 20 21 35 34 32 29 27 23 22 30 33 26 25 24 36 31 28 41 40 38 39 42 37 nc gnd nc gnd gnd nc dac d/a out5 100k 18 + + + +
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 19 1 osd blk in 2 6 11 2.5 input (r) input (g) input (b) 4 9 13 osd in (r) osd in (g) osd in (b) 3 8 12 12 vcc 1(r) vcc 1(g) vcc 1(b) 5 10 14 gnd1(r) gnd 24 36 gnd1(g) gnd1(b) gnd(5v) gnd 2 terminal description no. name peripheral circuit remark dc voltage input pulses 1.7v~gnd connected to gnd if not used. 3.7~5v clamped to about 2.5 v due to clamp pulses from pin 21. input at low impedance. apply equivalent voltage to 3 channels. input pulses 1.7v~gnd 3.7~5v connected to gnd if not used. (v) 2.5v 0.3ma cp 2k 2k 2.7v 0.46ma 1 r g b 2k 2.7v 0.5ma 1k 2k 16 32 39 gnd gnd gnd
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 20 17 abl in nc 7 input (s on g) 19 5 vcc(5v) song sep out 20 2.5v 0.5ma 1.2k 1.2k 30k 20k 17 20 sync signal output pin, being of open collector output type. abl(automaticbeamlimiter) input pin. recommended voltage range is 0 to 5v. when abl function is not used, set to 5v. sync on video input pin . sync is negative . input signal at pin7, compare with the reference voltage of internal circuit in order to separate sync signal from sync on green signal . when open 2.5v when open 2.5v no. name peripheral circuit remark dc voltage (v) 15 3.33v 7 0.22ma 0.15ma 0.22ma 500 19 18 37 40
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 21 21 clamp pulse in 22 scl 23 sda 26 d/]a out 27 28 29 2.2v 41k 21 0.15ma scl of i cbus (serialclockline) v th =2.3v sda of i cbus (serialdataline) v th =2.3v d/a output pin. output voltage range is 0~5v. min input current is 0.18ma when d/a output pin is 1v. max output current is 1.0ma. 2 2 input pulses 0.5v~gnd input at low impedance. 2.5~5v no. name peripheral circuit remark dc voltage (v) 3v 23 2k 50k 19 3v 22 2k 50k 19 25
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 22 42 vcc 2 12 38 output (g) 30 retrace blk in 31 35 main contrast cont main contrast ref 41 output (r) 33 output (b) 34 main brightness 2.25v 50k r g b 30 50 42 50 input pulses 0.5v~gnd connected to gnd if not used. 2.5~5v used to supply power to output emitter follower only. a resistor is needed on the gnd side. set discretionally to maximum 15 ma, depending on the required driving capacity. it is recommended that the ic be used between pedestal voltage 2v and 3v. no. name peripheral circuit remark dc voltage (v) variable non-polar capacitance is required between pin31 and pin35. 15k 15k 31 15k 30k 80k 35 10k 19 19 3.5~5.5 4.5 35k 34
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 electrical chracteristics main contrast control characteristics 0 2 4 6 00h ffh main contrast control data output amplitude (vp-p) sub contrast control characteristics sub contrast control data output amplitude (vp-p) main contrast : max abl characteristics abl control voltage (v dc ) output amplitude (vp-p) brightness control characteristics output dc voltage (v dc ) brightness control voltage (v dc ) osd adjust control characteristics osd adjust control data output amplitude (vp-p) sub contrast : max 0 2 4 6 00h ffh 0 2 4 6 5 0 0 2 4 6 0 5 main contrast : max sub contrast : max 0 2 4 6 0h fh 4 8 12 0.5 0 (video duty=75%) 1u 7 in input amplitude (vp-p) duty of sync width (%) sync separate normal operating range sync separate input min sync width
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 notice of application make the nearest distance between output pin and pull down resister. recommended pedestal voltage of ic output signal is 2v. clamp pulse input clamp pulse width is recommended above 15 khz, 1.0 usec above 30 khz, 0.5 usec above 64 khz, 0.3 usec . the clamp pulse circuit in ordinary set is a long round about way, and beside high voltage, sometimes connected to external terminal, it is very easy affected by large surge. therefore, the fig. shown right is recommended. application method for m52749sp 24 21
mitsubishi< linear ic > M52749FP mitsubishi bus controlled 3ch video pre-amp for crt display monitor 25 application example 12v 110v dac out x5 crt cutoffadj blk in (for osd) 5v abl in syncsep out blk in (for retrace) sda scl 1k 0.01u 0.01u osd in (g) osd in (r) 5v ttl 0~5v 0~5v 100uh 100 nc s on g input 2.2u nc 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 M52749FP nc nc input (r) 0.01u 3.3u 75 input (g) 0.01u 3.3u 75 input (b) 0.01u 3.3u 75 5v ttl 5v ttl 5v ttl osd in (b) 5v ttl 47u 0.01u 47u 0.01u 47u 0.01u 1u 0.01u 0.01u 0.01u 1k 1k 1k 0.01u clamppulse in 0.01u 100k 25 0.01u 47u + + + + + + + + +

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