View M52745SP_9018593.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 1 description M52745SP is semiconductor integrated circuit for crt display monitor. it includes osd blanking, osd mixing, retrace blanking, wide band amplifer, brightness control, uniformity function. main/sub contrast and osd adjust function can be controlled by i 2 c bus. features frequency band width: rgb.............................200mhz (at -3db) osd..............................................80mhz input :rgb........................................................ .....0.7v p-p (typ.) osd..........................................3v p-p minimum (positive) blk (for osd)..........................3v p-p minimum (positive) retrace blk.............................3v p-p minimum (positive) output :rgb........................................................ ..5.5v p-p (max.) osd......................................................... .....5v p-p (max.) main contrast and sub contrast can be controlled by i 2 c bus. include internal and external pedestal clamp circuit structure bipolar silicon monolithic ic application crt display monitor recommended operating condition supply voltage range......................11.5 to 12.5v (v7, v12, v25, v29,v32) 4.5 to 5.5v (v17) rated supply voltage..................................12.0v (v7, v12, v25, v29,v32) 5.0v (v17) major specification bus controlled 3ch video pre-amp with osd mixing function an d retrace blanking function pin configuration (top view) osd blk in input(r) osd in(r) gnd input(g) osd in(g) input(sog) osd in(b) output(r) ext feed back(r) output(b) ext feed back(b) sda scl clamp pulse in outline 32p4b 1 4 3 2 5 6 9 10 11 12 13 14 7 8 15 16 17 18 M52745SP preliminary notice:this is not a final specification. some parametric limits are subject to change. 32 31 28 27 26 25 24 23 30 29 22 21 20 19 gnd gnd output(g) gnd brightness vcc 12v vcc 12v(r) vcc 12v(g) vcc 12v(b) ext feed back(g) retrace blk in abl in vcc 5v nc input(b) vcc 12v sog sep out
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 2 block diagram output (r) feed back (r) retrace blk in retrace blanking brightness amp clamp f/b output (b) ext feed back (b) output (g) ext feed back (g) sda scl vcc 12v(r) bus i/f retrace blanking retrace blanking dac clamp f/b clamp f/b amp amp osd mix osd mix osd mix osd level 4bit g sub cont 8bit b sub cont 8bit r sub cont 8bit main contrast 8bit main contrast main contrast main contrast sub contrast sub contrast sub contrast osd blk in gnd clamp pulse in sync on greensep clamp clamp clamp osd in (r) input (r) osd in (b) input (b) osd in (g) input (g) input (sog) sog sep out preliminary notice:this is not a final specification. some parametric limits are subject to change. 31 30 28 27 24 23 21 20 32 26 19 17 5 10 16 14 13 11 4 9 3 7 12 6 2 1 22 29 vcc 12v(b) 18 vcc 12v vcc 12v gnd gnd 15 abl in gnd vcc 5v 25 vcc 12v(g)
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 3 absolute maximum ratings (ta=25 c) electrical characteristics (v cc =12v, 5v, ta=25 c, unless otherwise noted) symbol parameter ratings unit v cc supply voltage 13.0 p d power dissipation 2358 mw t opr ambient temperature -20 to +85 c t stg storage temperature -40 to +150 c v opr recommended supply 12.0 v v opr voltage range 10.5 to 12.5 v symbol parameter test point (s) input ctl voltage bus ctl (h) limits unit 6,9,11 rgb in 5 osd blk 2,3,4 osd in 16 cp in 22 ret blk 13 sog in 1 bri- ght 18 abl 00h main cont 01h sub cont r 02h sub cont g 03h sub cont b 04h osd adj 05h int ext min. typ. max. i cc1 circuit current1 i a a a a b sg5 a a 4.0 5.0 ffh 255 ffh 255 ffh 255 ffh 255 00h 0 00h 0 - 110 130 ma i cc2 circuit current2 i b a a a b sg5 a a 4.0 5.0 - 18 25 ma vomax output dynamic range out b sg2 a a b sg5 a a vari able 5.0 6.0 8.0 - v p-p vimax maximum input in out b sg2 variable a a b sg5 a a 2.0 5.0 64h 100 1.6 - - v p-p gv maximum gain out b sg1 a a b sg5 a a 2.0 5.0 ffh 255 17.1 17.7 19.4 db gv relative max- imum gain - - - - - - - - - - 0.8 1.0 1.2 - v c1 main contrast control characteristics1 out b sg1 a a b sg5 a a 2.0 5.0 c8h 200 15.0 16.5 18.0 db v c1 main contrast control relative characteristics1 - - - - - - - - - - 0.8 1.0 1.2 - v c2 main contrast control characteristics2 out b sg1 a a b sg5 a a 2.0 5.0 64h 100 9.0 10.5 12.0 db v c2 main contrast control relative characteristics2 - - - - - - - - - - 0.8 1.0 1.2 - v c3 main contrast control characteristics3 out b sg1 a a b sg5 a a 2.0 5.0 14h 20 0.1 0.3 0.5 v c3 main contrast control relative characteristics3 - - - - - - - - - - 0.8 1.0 1.2 - v sc1 sub contrast control characteristics1 out b sg1 a a b sg5 a a 2.0 5.0 ffh 255 c8h 200 c8h 200 c8h 200 15.5 16.5 18.0 db v sc1 sub contrast control relative characteristics1 - - - - - - - - - - - - - 0.8 1.0 1.2 - v sc2 s ub contrast control characteristics2 out b sg1 a a b sg5 a a 2.0 5.0 ffh 255 64h 100 64h 100 64h 100 9.5 11.0 12.5 db v sc2 sub contrast control relative characteristics2 - - - - - - - - - - - - - 0.8 1.0 1.2 - v sc3 sub contrast control characteristics3 out b sg1 a a b sg5 a a 2.0 5.0 ffh 255 14h 20 14h 20 14h 20 0 0.2 0.5 v sc3 sub contrast control relative characteristics3 - - - - - - - - - - - - - 0.8 1.0 1.2 - preliminary notice:this is not a final specification. some parametric limits are subject to change. v v p-p v p-p
mitsubishi ics (monitor) m52742sp bus controlled 3-channel video preamp for crt display monito r 4 electrical characteristics (cont.) symbol parameter test point (s) input ctl voltage bus ctl (h) limits unit 6,9,11 rgb in 5 osd blk 2,3,4 osd in 16 cp in 22 ret blk 13 sog in 1 bri- ght 18 abl 00h main cont 01h sub cont r 02h sub cont g 03h sub cont b 04h osd adj 05h int ent min. typ. max. vmsc main/sub contrast control characteristics out b sg1 a a b sg5 a a 2.0 5.0 c8h 200 c8h 200 c8h 200 c8h 200 3.4 4.0 4.6 v p-p vmsc main/sub contrast control relative characteristics - - - - - - - - - - - - - 0.8 1.0 1.2 - abl1 abl control characteristics1 out b sg1 a a b sg5 a a 2.0 4.0 ffh 255 ffh 255 ffh 255 ffh 255 4.1 4.9 5.7 v p-p abl1 abl control relative characteristics1 - - - - - - - - - 0.8 1.0 1.2 - abl2 abl control characteristics2 out b sg1 a a b sg5 a a 2.0 2.0 1.5 2.0 2.5 v p-p abl2 abl control relative characteristics2 - - - - - - - - - 0.8 1.0 1.2 - v b1 brightness control characteristics1 out a a a b sg5 a a 4.0 5.0 3.3 3.7 4.1 v v b1 brightness control relative characteristics1 - - - - - - - - - -0.3 0 0.3 v v b2 brightness control characteristics2 out a a a b sg5 a a 2.0 5.0 1.5 1.8 2.1 v v b2 brightness control relative characteristics2 - - - - - - - - - -0.3 0 0.3 v v b3 brightness control characteristics3 out a a a b sg5 a a 1.0 5.0 0.7 0.9 1.1 v v b3 brightness control relative characteristics3 - - - - - - - - - -0.3 0 0.3 v f c1 frequency characteristics1 (f=50mhz) out b sg3 a a a 5v a a vari able 5.0 va ria ble -2.0 0 2.5 db f c1 frequency relative characteristics1 (f=50mhz) - - - - - - - - - - -1.0 0 1.0 db f c1 frequency characteristics1 (f=200mhz) out b sg3 a a a 5v a a vari able 5.0 va ria ble ffh 255 ffh 255 ffh 255 00h 0 00h 0 -3.0 0 3.0 db f c1 frequency relative characteristics1 (f=200mhz) - - - - - - - -1.0 0 1.0 db f c2 frequency characteristics2 (f=200mhz) out b sg3 a a a 5v a a vari able 5.0 -3.0 3.0 5.0 db f c2 frequency relative characteristics2 (f=200mhz) - - - - - - - - - -1.0 0 1.0 db c.t.1 crosstalk 1 (f=50mhz) out(29) out(32) 2bsg3 6a 11a a a a 5v a a vari able 5.0 ffh 255 - -25 -20 db c.t.1 crosstalk 1 (f=200mhz) out(29) out(32) 2bsg3 6a 11a a a a 5v a a vari able 5.0 - -20 -15 db c.t.2 crosstalk 2 (f=50mhz) out(29) out(35) 2a 6bsg3 11a a a a 5v a a vari able 5.0 - -25 -20 db c.t.2 crosstalk 2 (f=200mhz) out(29) out(35) 2a 6bsg3 11a a a a 5v a a vari able 5.0 - -20 -15 db c.t.3 crosstalk 3 (f=50mhz) out(32) out(35) 2a 6a 11bsg3 a a a 5v a a vari able 5.0 - -25 -20 db c.t.3 crosstalk 3 (f=200mhz) out(32) out(35) 2a 6a 11bsg3 a a a 5v a a vari able 5.0 - -20 -15 db preliminary notice:this is not a final specification. some parametric limits are subject to change.
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 5 electrical characteristics (cont.) symbol parameter test point (s) input ctl voltage bus ctl (h) limits unit 6,9,11 rgb in 5 osd blk 2,3,4 osd in 16 cp in 22 ret blk 13 sog in 1 bri- ght 18 abl 00h main cont 01h sub cont r 02h sub cont g 03h sub cont b 04h osd adj 05h int ent min. typ. max. tr pulse characteristics1 (4v p-p ) out b sg1 a a b sg5 a a vari able 5.0 va ria ble - 2.8 3.6 ns tf pulse characteristics2 (4v p-p ) out b sg1 a a b sg5 a a vari able 5.0 va ria ble - 2.8 ns vthcp clamp pulse threshold voltage b sg5 variable ffh 255 1.0 1.5 2.0 v wcp clamp pulse minimum width b sg5 variable 0.2 - s out b sg1 a a a a 2.0 5.0 out b sg1 a a a a 2.0 5.0 otr osd pulse characteristics1 out a a b sg6 b sg5 a a 2.0 5.0 - 3.0 6.0 ns otf osd pulse characteristics2 out a a b sg6 b sg5 a a 2.0 5.0 08h 8 - 3.0 6.0 ns oaj1 osd adjust control characteristics1 out a b sg6 b sg6 b sg5 a a 2.0 5.0 0fh 15 4.6 5.4 6.2 v p-p oaj1 osd adjust control relative characteristics1 - - - - - - - - - - 0.8 1.0 1.2 - oaj2 osd adjust control characteristics2 out a b sg6 b sg6 b sg5 a a 2.0 5.0 08h 8 3.4 3.9 4.4 v p-p oaj2 osd adjust control relative characteristics2 - - - - - - - - - - 0.8 1.0 1.2 - oblk osd adjust control characteristics3 out a b sg6 a b sg5 a a 2.0 5.0 00h 0 0 -0.1 -0.3 v p-p oblk osd adjust control relative characteristics3 - - - - - - - - - - -0.15 0 0.15 v p-p vthosd1 osd input threshold voltage1 out a b sg6 b sg6 variable b sg5 a a 2.0 5.0 08h 8 3.1 3.5 3.9 v vthblk osd blk input threshold voltage out b sg1 b sg6 variable a b sg5 a a 2.0 5.0 00h 0 2.2 2.7 3.2 v vthret retrace blk input threshold voltage out a a a b sg5 b sg7 variable a 2.0 5.0 08h 8 1.0 1.5 2.0 v ss-nv sog input maximum noise voltage song in sync out a a a a a b sg4 variable 2.0 5.0 - - 0.03 v p-p ss-sv sog minimum input voltage song in sync out a a a a a b sg4 variable 2.0 5.0 0.2 - v p-p vsh sync output hi level sync out a a a a a b sg4 2.0 5.0 4.5 4.9 5.0 v preliminary notice:this is not a final specification. some parametric limits are subject to change. tr relative pulse characteristics1 out b sg1 a a b sg5 a a vari able 5.0 vari able -0.8 0 0.8 ns relative pulse characteristics2 out b sg1 a a b sg5 a a vari able 5.0 vari able -0.8 0 0.8 ns tf 3.6 - dch p dcl p pedestal voltage temperature characteristics1 pedestal voltage temperature characteristics2 b sg5 out b sg1 a a a a 2.0 5.0 b sg5 out b sg1 a a a a 2.0 5.0 -0.15 0 0.15 -0.15 0 0.15 v v vthosd2 osd input threshold voltage2 out a b sg6 b sg6 variable b sg5 a a 2.0 5.0 2.5 1.5 2.0 v ohaj1 ohaj2 out out a a b sg6 b sg6 b sg6 b sg6 3v 3v b sg5 b sg5 a a 2.0 5.0 a a 2.0 5.0 v v 2.3 2.7 3.1 4.4 3.2 3.8 00h 15 08h 8 00h 0 adjust control characteristics1 osd half adjust control characteristics2 osd half -
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 6 electrical characteristics (cont.) parameter test point (s) input ctl voltage bus ctl (h) limits unit 6,9,11 rgb in 5 osd blk 2,3,4 osd in 16 cp in 22 ret blk 13 sog in 1 bri- ght 18 abl 00h main cont 01h sub cont r 02h sub cont g 03h sub cont b 04h osd adj 05h int ent min. typ. max. sync output delay time2 sync out a a a a a b sg4 2.0 5.0 60 90 ns a a a a a 2.0 5.0 a a a a a 2.0 5.0 00h 0 00h 0 0 a a a a a 4.0 5.0 - 22 30 ma a a a a 2.0 5.0 9.4 10.0 10.4 ffh 255 ffh 255 ffh 255 ffh 255 notice:this is not a final specification. some parametric limits are subject to change. b sg4 b sg4 ns sync output delay time1 sync output lo level sync out sync out 0 0.3 0.6 60 90 0 v symbol tds-r electrical characteristics test method i cc1 circuit current1 measuring conditions are as listed in supplementary table. measured with a current meter at test point ia. i cc2 circuit current2 measuring conditions are as listed in supplementary table. measured with a current meter at test point ib. vomax output dynamic range decrease v1 gradually, and measure the voltage when the waveform output is distorted. the voltage is called vol. next, increase v1 gradually, and measure the voltage when th e top of waveform output is distorted. the voltage is called v oh. voltage vomax is calculated by the equation below: vomax = voh-vol vimax maximum input increase the input signal (sg2) amplitude gradually, startin g from 700mv p-p . measure the amplitude of the input signal when the output signal starts becoming distorted. gv maximum gain input sg1, and read the amplitude output at out (24, 28, 31) . the amplitude is called vout (24, 28, 31). maximum gain g v is calculated by the equation below: gv relative maximum gain relative maximum gain d g v is calculated by the equation bellow: g v = vout (24)/vout (28), vout (28)/vout (31), vout (31)/vout (24) v c1 main contrast control characteristics1 measuring the amplitude output at out (24, 28, 31). the measured value is called vout (24, 28, 31). main contrast co ntrol characterics v c1 is calculated by the equation bellow: v c1 main contrast control relative characteristics1 relative characteristics v c1 is calculated by the equation bellow: v c1 =vout (24)/vout (28), vout (28)/vout (31), vout (31)/vout (24) v c2 main contrast control characteristics2 measuring condition and procedure are the same as described in v c1 . v c2 main contrast control relative characteristics2 measuring condition and procedure are the same as described in v c1 . 5.0 waveform output (v) voh vol 0.0 g v =20log vout 0.7 (db) v c1 =20log vout 0.7 (db) tds-f vsl lccps skv ips b sg5 b sg5 b sg1 ffh 255 ffh 255 ffh 255 ffh 255 00h 0 00h 0 v power save circult current spot killer voltage 12v ips system ips voltage preliminary
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 7 v c3 main contrast control characteristics3 measuring the amplitude output at out (24, 28, 31). the measured value is called vout (24, 28, 31). v c3 main contrast control relative characteristics3 measuring condition and procedure are the same as described in v c1 . v sc1 sub contrast control characteristics1 measure the amplitude output at out (24,28,31). the measured value is called vout (24, 28, 31). sub contrast control characteristics v sc1 is calculated by the equation below: v sc1 sub contrast control relative characteristics1 relative characteristics v sc1 is calculated by the equation below: v sc1 =vout (24)/vout (28), vout (28)/vout (31), vout (31)/vout (24). v sc2 sub contrast control characteristics2 measuring condition and procedure are the same as described in v sc1 . v sc2 sub contrast control relative characteristics2 measuring condition and procedure are the same as described in v sc1 . v sc3 sub contrast control characteristics3 measuring the amplitude output at out (24,28,31). the measured value is called vout (24, 28, 31). v sc 3 sub contrast control relative characteristics3 measuring condition and procedure are the same as described in v sc1 . vmsc main/sub contrast control characteristics measure the amplitude output at out (24, 28, 31). the measur ed value is called vout (24, 28, 31). main/sub contrast control characteristics vmsc is calculated by the equation below: vmsc main/sub contrast control relative characteristics relative characteristics vmsc is calculated by the equation below: vmsc = vout (24)/vout (28), vout (28)/vout (31), vout (31)/vout (24) abl1 abl control characteristics1 measure the amplitude output at out (24,28,31). the measured value is called vout (24,28,31), and is treated as abl1. abl1 abl control relative characteristics1 relative characteristics abl1 is calculated by the equation below: abl1= vout (24)/vout (28), vout (28)/vout (31), vout (31)/vout (24) abl2 abl control characteristics2 measuring condition and procedure are the same as described in abl1. abl2 abl control relative characteristics2 measuring condition and procedure are the same as described in abl1. v b1 brightness control characteristics1 measure the dc voltage at out (24, 28, 31) with a voltmeter. the measured value is called vout (24, 28, 31), and is treated a s v b1 . v b1 brightness control relative characteristics1 relative characteristics v b1 is calculated by the difference in the output between the channels. v b1 = vout (24)-vout (28), vout (28)-vout (31), vout (31)-vout (24) v b2 brightness control characteristics2 measuring condition and procedure are the same as described in v b1 . v b2 brightness control relative characteristics2 measuring condition and procedure are the same as described in v b1 . v b3 brightness control characteristics3 measuring condition and procedure are the same as described in v b1 . v b3 brightness control relative characteristics3 measuring condition and procedure are the same as described in v b1 . v sc1 =20log vout 0.7 (db) vmsc =20log vout 0.7 (db) preliminary notice:this is not a final specification. some parametric limits are subject to change.
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 8 f c1 frequency characteristics1 (f=50mhz) first, sg3 to 1mhz is as input signal. input a resister that is about 2k to offer the voltage at input pins (6, 9, 11) in order that the bot- tom of input signal is 2.5v. control the main contrast in or der that the amplitude of sine wave output is 4.0v p-p . control the brightness in order that the bottom of sine wave output is 2.0v p-p . by the same way, measure the output amplitude when sg3 to 50mhz is as in put signal. the measured value is called vout (24, 28, 31). freq uency characteristics f c1 (24, 28, 31 ) is calculated by the equation below: f c1 frequency relative characteristics1 (f=50mhz) relative characteristics f c1 is calculated by the difference in the output between the channels. f c1 ' frequency characteristics1 (f=150mhz) measuring condition and procedure are the same as described in table, expect sg3 to 150mhz. f c1 ' frequency relative characteristics1 (f=150mhz) relative characteristics f c1 ' is calculated by the difference in the output between the channels. f c2 frequency characteristics2 (f=150mhz) sg3 to 1mhz is as input signal. control the main contrast in order that the amplitude of sine wave output is 1.0v p-p . by the same way, measure the output amplitude when sg3 to 150mhz is as input signal. the measured value is called vout (24, 28, 31). frequency characteristics f c2 (24, 28, 31) is calculated by the equation below: f c2 frequency relative characteristics2 (f=150mhz) relative characteristics f c2 is calculated by the difference in the output between the channels. c.t.1 crosstalk1 (f=50mhz) input sg3 (50mhz) to pin2 only, and then measure the wavefor m amplitude output at out (24, 28, 31). the measured value is called vout (24, 28, 31). crosstalk c.t.1 is calculated by the equa tion below: c.t.1' crosstalk1 (f=150mhz) measuring condition and procedure are the same as described in c.t.1, expect sg3 to 150mhz. c.t.2 crosstalk2 (f=50mhz) input sg3 (50mhz) to pin6 only, and then measure the wavefor m amplitude output at out (24, 28, 31). the measured value is called vout (24, 28, 31). crosstalk c.t.2 is calculated by the equa tion below: c.t.2' crosstalk2 (f=150mhz) measuring condition and procedure are the same as described in c.t.2, expect sg3 to 150mhz. c.t.3 crosstalk3 (f=50mhz) input sg3 (50mhz) to pin11 only, and then measure the wavefo rm amplitude output at out (24, 28, 31). the measured value is called vout (24, 28, 31). crosstalk c.t.3 is calculated by the equa tion below: c.t.3' crosstalk3 (f=150mhz) measuring condition and procedure are the same as described in c.t.3, expect sg3 to 150mhz. tr pulse characteristics1 (4v p-p ) control the main contrast (00h) in order that the amplitude of output signal is 4.0v p-p . control the brightness (v1) 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% (tr 2) with an active probe. pulse characteristics tr is calculated by the equations belo w : tr relative pulse characteristics1 relative characteristics tr is calculated by the difference in the output between the channels. tf pulse characteristics2 (4v p-p ) measure the time needed for the input pulse to fall from 90% to 10% (tf1) and for the output pulse to fall from 90% to 10% (tf2 ) with an active prove. pulse characteristics tf is calculated by the equations belo w : f c1 =20log (db) vout v p-p output amplitude when inputted sg3 (1mhz):4v p-p f c2 =20log (db) vout v p-p output amplitude when inputted sg3 (1mhz):4v p-p c.t.1=20 log vout (24, 31) (db) vout (28) c.t.2=20 log vout (24, 31) (db) vout (28) c.t.3=20 log vout (28, 31) (db) vout (24) tr = [(tr2) 2 -(tr1) 2 ] tf = [(tf2) 2 -(tf1) 2 ] preliminary notice:this is not a final specification. some parametric limits are subject to change.
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 9 tf relative pulse characteristics2 relative characteristics tf is calculated by the difference in the output between the channels. vthcp clamp pulse threshold voltage turn down the sg5 input level gradually from 5.0v p-p , monitoring the waveform output. measure the top level of input sg5 at when the output pedest al level is start to going down or unstable. wcp clamp pulse minimum width decrease the sg5 pulse width gradually from 0.5 s, monitoring the output. measure the input sg5 pulse width (a point of 1.5v) when the output pedestal voltage turm decrease with unstabl e. otr osd pulse characteristics1 measure the time needed for the output pulse to rise from 10 % to 90% (otr) with an active prove. otf osd pulse characteristics2 measure the time needed for the output pulse to fall from 90 % to 10% (otf) with an active prove. oaj1 osd adjust control characteristics1 measure the amplitude output at out (24, 28, 31). the measur ed value is called vout (24, 28, 31), and is treated as oaj1. oaj1 osd adjust control relative characteristics1 relative characteristics oaj1 is calculated by the equation below: oaj1=vout (24)/vout (28), vout (28)/vout (31), vout (31)/vout (24) oaj2 osd adjust control characteristics2 measuring condition and procedure are the same as described in oaj1. oaj2 osd adjust control relative characteristics2 measuring condition and procedure are the same as described in oaj1. oblk osd adjust control characteristics3 measuring condition and procedure are the same as described in oaj1. oblk osd adjust control relative characteristics3 measuring condition and procedure are the same as described in oaj1. vthosd osd input threshold voltage reduce the sg6 input level gradually, monitoring output. mea sure the sg6 level when the output reaches 0v. the measured value is called vthosd. vthblk osd blk input threshold voltage con rm that output signal is being blanked by the sg6 at the tim e. monitoring to output signal, decreasing the level of sg6. me asure the top level of sg6 when the blanking period is disappeared . the measured value is called vthblk. vthret retrace blk input threshold voltage con rm that output signal is being blanked by the sg7 at the tim e. monitoring to output signal, decreasing the level of sg7. me asure the top level of sg7 when the blanking period is disappeared . the measured value is called vthret. 100% 90% 0% 10% tf1 or tf2 tr1 or tr2 preliminary notice:this is not a final specification. some parametric limits are subject to change. dch p pedestal voltage temperature characteristic1 measure the pedestal voltage at 25 c. the measured value is called pdc1. measure the pedestal voltage at temperature of -20 c. the measured value is called pdc2. pedestal voltage temperature characteristics 1 is calculated by the equation below: p =pdc1-pdc2 dch p pedestal voltage temperature characteristic2 dch called pdc1. measure the pedestal voltage at temperature of 75 c. the measured value is called pdc3. pedestal voltage temperature characteristics 2 is calculated by the equation below: p =pdc1-pdc3 measure the pedestal voltage at 25 c. the measured value is dch
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 10 ss-nv sog input maximum noise voltage the sync's amplitude of sg4 be changed all white into all bl ack, increase from 0v p-p to 0.02v p-p . no pulse output permitted. ss-sv sog minimum input voltage the sync's amplitude of sg4 be changed all white or all blac k, decrease from 0.3v p-p to 0.2v p-p . con rm no malfunction produced by noise. vsh sync output hi level measure the high voltage at syncout. the measured value is treated as vsh. vsl sync output lo level measure the low voltage at syncout. the measured value is treated as vsl. tds-f sync output delay time1 syncout becomes high with sync part of sg4. measure the time needed for the front edge of sg4 sync to fa ll from 50% and for syncout to rise from 50% with an active prove. t he measured value is treated as tds-f, less than 90nsec. tds-r sync output delay time2 measure the time needed for the rear edge of sg4 sync to ri se from 50% and for syncout to fall from 50% with an active pro ve. the measured value is treated as tds-r, less than 90nsec. voh d/a h output voltage measure the dc voltage at d/aout. the measured value is treated as voh. vol d/a l output voltage measure the dc voltage at d/aout. the measured value is treated as vol. iao d/a output current range electric current ow from the output of d/aout must be less than 1.0ma. electric current ow into the output of d/aout must be more than 0.1ma . dnl d/a nonlinearity the difference of differential non-linearity of d/aout must be less than 1.0lsb. uni1 uniformity characteristics1 vunia is amplitude output at out (24, 28, 31), when sg6 is l ow voltage. vunib is amplitude output at out (24, 28, 31), when sg6 is high voltage. moduration ratio uni (uni2) is calculated by the equation be low; uni1 (uni2)=100 (vunib/vunia-1) (%) sg4 syncout pedestal voltage tds-r tds-f (50%) sync (50%) out sg6 5v p-p (2.5v p-p ) vunia vunib pedestal voltage preliminary notice:this is not a final specification. some parametric limits are subject to change. uni1 uniformity characteristics2
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 11 i 2 c-bus protocol (1) slave address (2) slave receiver format (3) sub address byte and data byte format notes) pedestal level int/ext sw 0 int 1 ext function bit sub add. data byte (top:byte format under:start condition) d7 d6 d5 d4 d3 d2 d1 d0 main contrast 8 00h a07 a06 a05 a04 a03 a02 a01 a00 0 1 0 0 0 0 0 0 sub contrast r 8 01h a17 a16 a15 a14 a13 a12 a11 a10 1 0 0 0 0 0 0 0 sub contrast g 8 02h a27 a26 a25 a24 a23 a22 a21 a20 1 0 0 0 0 0 0 0 sub contrast b 8 03h a37 a36 a35 a34 a33 a32 a31 a30 1 0 0 0 0 0 0 0 osd level 4 04h - - - - a43 a42 a41 a40 0 0 0 0 1 0 0 0 pedestal clamp int/ext sw 1 05h - - - - - - - a50 0 0 0 0 0 0 0 0 d7 d6 d5 d4 d3 d2 d1 r/w 1 0 1 0 0 =88h s a p start condition a a slave address sub address data byte acknowledge stop condition preliminary notice:this is not a final specification. some parametric limits are subject to change. 0 0 0
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 12 timing requirement of i 2 c timing diagram symbol parameter min. max. unit v il input voltage low -0.5 1.5 v v ih input voltage high 3.0 5.5 v f scl scl clock frequency 0 100 khz t buf time the bus must be free before a new transmission can star t 4.7 - s t hd:sta hold time start condition. after this period the first clock pulse is generated 4.0 - s t low the low period of the clock 4.7 - s t high the high period of the clock 4.0 - s t su:sta set up time for start condition (only relevant for a repeate d start condition) 4.7 - s t hd:dat hold time for i 2 c devices 0 - s t su:dat set-up time data 250 - ns t r rise time of both sda and scl - 1000 ns t f fall time of both sda and scl - 300 ns t su:sto set-up time for stop condition 4.0 - s sda scl v ih s s p s t buf t su:sto t su:sta t hd:dat t su:dat t hd:sta t low t high t r , t f v il v ih v il preliminary notice:this is not a final specification. some parametric limits are subject to change.
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 13 input signal * ) f=30khz sg no. signals sg1 video signal (all white) pulse with amplitude of 0.7v p-p (f=30khz). video width of 25 s. (75%) sg2 video signal (step wave) sg3 sine wave (for freq. char.) sg4 video signal (all white, all black) video width of 25 s. (75%) sg5 clamp pulse pulse width and amplitude are variable. sg6 osd pulse sg7 blk pulse 8 s 33 s 0.7v p-p 0.7v p-p (amplitude is variable.) sine wave amplitude of 0.7v p-p . f=1mhz, 50mhz, 200mhz (variable) 0.7v p-p 0.3v p-p 3 s sync s amplitude is variable. all white or all black variable. 0.5 s 5v ttl 5 s 5v ttl amplitude is variable. 5 s 5v ttl amplitude is variable. preliminary notice:this is not a final specification. some parametric limits are subject to change. 3v ttl or
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 14 test circuit sg1 sw4 b a b a sw16 out (31) 1k out (28) 1 3 2 4 5 9 7 10 12 11 13 14 6 15 16 units resistance : capacitance : f r b 12v c/p 30 28 29 27 26 22 23 21 19 20 18 25 24 31 32 1k sw13 M52745SP 17 b a osd 12v gnd sync gnd out f/b gnd sda 12v 12v f/b 12v out blk gnd scl scl sda b a sg7 sw22 out (24) 1k sg5 a 5v i b 0.01 3.3 sw11 b a 0.01 3.3 sw6 b a in (6) sw2 a b sg2 sg3 12v a i a 47 : measure point * capacitor : 0.01 f (unless otherwise specified.) preliminary notice:this is not a final specification. some parametric limits are subject to change. r 2k b 2k out g f/b 2k abl v18 0 to 5v osd r sw3 a b sw5 b a sg6 blk osd b osd g blk 2k 8 nc in (11) g 2k 0.01 3.3 sw9 b a in (9) 2k song in song 100k 1 sg4 v1 0 to 5v in c/p out sync 1k 47
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 15 typical characteristics ffh 0 2 4 6 1 3 5 00h sub contrast: max main contrast control data main contrast control characteristics ffh 0 2 4 6 1 3 5 00h main contrast: max sub contrast control data sub contrast control characteristics 4 0 2 4 6 1 3 5 0 brightness control voltage (v dc ) brightness control characteristics 2 5 0 2 4 6 1 3 5 0 abl control voltage (v dc ) abl characteristics main contrast: max sub contrast : max fh 0 2 4 6 1 3 5 0h osd adjust control data osd adjust control characteristics 2800 2000 1600 800 400 -20 0 25 50 75 100 125 150 2358 1200 2400 1226 ambient temperature ta ( c) thermal derating 0 preliminary notice:this is not a final specification. some parametric limits are subject to change. 85
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 16 0.5 0 4 8 12 2 6 10 0 input sync amplitude (v p-p ) sync on green input min. pulse width sync separate (video duty=75%) normal operating range 1 m in 100k 7 preliminary notice:this is not a final specification. some parametric limits are subject to change.
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 17 application example nc 110v crt 12v input (b) s on g input 25 28 24 23 19 20 18 17 22 21 30 26 units resistance : capacitance : f 31 27 29 32 8 5 9 10 14 13 15 16 11 12 3 7 2 6 4 1 M52745SP 1k blk in (for retrace) 5v sda scl abl in 5v ttl cut off adj sync 75 75 5v ttl input (r) input (g) feed back is internal feed back clamp pulse osd in (b) osd in (g) osd in (g) blk in sep out in (for osd) 1k preliminary notice:this is not a final specification. some parametric limits are subject to change. 4.7 0.01 4.7 0.01 1k 4.7 0.01 4.7 0.01 1k 0 to 5v dac ic 100k 1 4.7 0.01 0.01 4.7 4.7 3.3 0.01 3.3 0.01 75 3.3 0.01 0 to 5v 5v ttl 2.5v ttl 5v ttl 2.5v ttl 5v ttl 2.5v ttl 0.01 4.7
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 18 description of pin pin no. name dc voltage (v ) peripheral circuit of pins description of function 5 osd blk in - input pulses connected to gnd if not used. 6 11 input (r) input (b) input (g) 2.5 clamped to about 2.5v due to clamp pulses from pin 16. input at low impedance. 12 v cc 12 - apply equivalent voltage to 3 channels. 2 4 osd in (r) osd in (b) osd in (g) - input pulses connected to gnd if not used. 10 15 19 26 gnd gnd - 13 input (s on g) when open 2.5v sync on green input pin for sync separation. sync is negative. input signal at pin7, compare with the reference voltage of internal circuit in order to separate sync signal. when not used, set to open. 2.7v 0.4ma r g 5 b gnd to1.7v 3.7 to 5v 2.5v 0.3ma cp 2k 2k 1k 1ma gnd to 1.5v 4.0 to 5v 13 3.2v 1k 500 preliminary notice:this is not a final specification. some parametric limits are subject to change. 9 7 3 2.0v 3.5v 2.5 to 3v 17
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 19 description of pin (cont.) pin no. name dc voltage (v ) peripheral circuit of pins description of function 18 abl in when open 2.5v abl (automatic beam limiter) input pin. recommended voltage range is 0 to 5v. when abl function is not used, set to 5v. 17 v cc (5v) 5 - 14 s on g sep out - sync signal output pin, being of open collector output type. 16 clamp pulse in - input pulses input at low impedance. 20 scl - scl of i 2 c bus (serial clock line) v th =2.3v 18 1.2k 0.5ma 1.2k 20k 30k 2.5v 14 0.15ma 2.2v 16 41k gnd to 0.5v 2.5 to 5v 3v 20 50k 2k preliminary notice:this is not a final specification. some parametric limits are subject to change. 17
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 20 description of pin (cont.) pin no. name dc voltage (v ) peripheral circuit of pins description of function sda - sda of i 2 c bus (serial data line) v th =2.3v 22 retrace blk in - input pulses connected to gnd if not used. 23 27 30 ext feed back (g) ext feed back (b) ext feed back (r) variable 24 28 31 output (g) output (b) output (r) variable a resistor is needed on the gnd side. set discretionally to maximum 15ma, depending on the required driving capacity. v cc2 12 used to supply power to output emitter follower only. 3v 21 50k 2k 2.25v r g 22 50k b gnd to 0.5v 2.5 to 5v 35k 50 50 preliminary notice:this is not a final specification. some parametric limits are subject to change. 17 21 25 29 32
mitsubishi ics (monitor) M52745SP bus controlled 3-channel video preamp for crt display monito r 21 description of pin (cont.) pin no. name dc voltage (v ) peripheral circuit of pins description of function 1 brightness - it is recommended that the ic be used between pedestal voltage 2v and 3v. 1 35k application method for M52745SP clamp pulse input clamp pulse width is recommended above 15khz, 1.0 sec above 30khz, 0.5 sec above 64khz, 0.3 sec. the clamp pulse circuit in ordinary set is a long round abou t way, and beside high voltage, sometimes connected to external ter minal, it is very easy affected by large surge. therefore, the fig. shown right is recommended. ext-feed back in case of application circuit example of lower gure, set up r1, r2 which seems that the black level of the signal feedbacked fr om power amp is 1v, when the bottom of output signal is 1v. notice of application make the nearest distance between output pin and pull down resistor. recommended pedestal voltage of ic output signal is 2v. 16 power amp out pre amp input r main brightness dc:1 to 5v r out put black level 1 to 5v r feed back black level 1 to 5v r1 r2 power amp ext-feed back application circuit preliminary notice:this is not a final specification. some parametric limits are subject to change. M52745SP

▲Up To Search▲

Price & Availability of M52745SP

	To Download M52745SP Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .