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mitsubishi ics (monitor) M52734sp 3-channel video amplification with osd blanking 1 description the M52734sp is a semiconductor integrated circuit ampli?s video signals, having a 3-channel ampli?r with a band width of 130mhz. the circuit also features the osd mixing function. the circuit is most useful with high resolution displays that have osd, and its function are available for each channel, including osd blanking, osd mixing, wide-band ampli?ation, contrast control (main and sub), and brightness control. features frequency band width: rgb................................130mhz (3v p-p ) osd..............................................50mhz input :rgb.............................................................0.7v p-p (typ.) osd...............................................3.0v p-p min. (positive) blk ...............................................3.0v p-p min. (positive) output :rgb...........................................................4.0v p-p (max.) osd...........................................................4.0v p-p (max.) to adjust contrast, two types of controls are provided, main and sub. with the main control, the contrast of the 3-channels can be changed simultaneously. sub controls are used to adjust the contrast of a given channel individually. the control terminals can be controlled by applying a voltage of 0 to 5v. the dc power remains stable at the ic output terminal because a feedback circuit is built in. application display monitor recommended operating condition supply voltage range....................................................11.5 to 12.5v rated supply voltage................................................................12.0v pin configuration (top view) outline 36p4e 36 33 34 35 1 4 3 2 32 5 31 6 28 9 27 10 26 11 25 12 13 14 24 23 7 8 30 29 15 22 16 21 17 20 18 19 output (g) v cc2 (b) hold (b) output (r) output (b) gnd2 (b) v cc2 (g) input (b) v cc1 (g) sub contrast (b) gnd1 (g) gnd1 (b) v cc1 (b) v cc1 (r) sub contrast (g) osd blk in osd adjust gnd2 (g) input (g) hold (g) nc gnd2 (r) hold (r) gnd1 (r) main contrast sub contrast (r) input (r) v cc2 (r) M52734sp cp in brightness nc : no connection osd in (b) osd in (g) osd in (r) nc nc nc block diagram b hold b blanking b contrast g g g g r r r r b amp b clamp g g r r b brightness hold blanking contrast amp clamp brightness hold blanking contrast amp clamp brightness b osd mix gr osd mix osd mix 35 467 11 10 12 14 13 89 2 1 15 16 18 17 34 32 33 31 30 26 27 25 23 24 29 28 35 22 21 19 20 36 output (g) v cc2 (b) hold (b) output (r) output (b) gnd2 (b) v cc2 (g) input (b) v cc1 (g) sub gnd1 (g) gnd1 (b) v cc1 (b) v cc1 (r) sub osd osd adjust gnd2 (g) input (g) hold (g) nc gnd2 (r) hold (r) gnd1 (r) main sub input (r) v cc2 (r) cp in brightness osd in osd in (g) osd in (r) nc nc nc (b) contrast(b) contrast(g) contrast(r) contrast blk in
mitsubishi ics (monitor) M52734sp 3-channel video amplification with osd blanking 2 absolute maximum ratings (ta=25 c) electrical characteristics (v cc =12v, ta=25 c, unless otherwise noted) symbol parameter ratings unit v cc supply voltage 13.0 v p d power dissipation 2016 mw t opr ambient temperature -20 to +85 c t stg storage temperature -40 to +150 c v opr recommended supply voltage 12.0 v v opr recommended supply voltage range 11.5 to 12.5 v surge electrostatic discharge 200 v symbol parameter test conditions limits unit test point (s) input external power supply (v) pulse input sw13 r-ch sw8 g-ch sw3 b-ch v4 v17 v19 v36 sw18 sw1 5, 10, 15 min. typ. max. i cc circuit current a a - a - a - 5552 b sg5 a - 70 100 140 ma vomax output dynamic range t.p.35 t.p.30 t.p.25 b sg6 b sg6 b sg6 55 vari- able 5 b sg5 a - 5.8 6.8 9.0 v p-p vimax maximum input t.p.35 t.p.30 t.p.25 b sg6 b sg6 b sg6 5 2.5 1 5 b sg5 a - 1 1.8 - v p-p gv maximum gain t.p.35 t.p.30 t.p.25 b sg6 b sg6 b sg6 5525 b sg5 a - 15 17 20 db d gv relative maximum gain relative to measured values above 0.8 1 1.2 - v cr1 contrast control characteristics (typical) t.p.35 t.p.30 t.p.25 b sg6 b sg6 b sg6 5425 b sg5 a - 14 15.5 17 db d v cr1 contrast control relative characteristics (typical) relative to measured values above 0.8 1 1.2 - v cr2 contrast control characteristics (minimum) t.p.35 t.p.30 t.p.25 b sg6 b sg6 b sg6 5125 b sg5 a - 0.3 0.6 0.9 v p-p d v cr2 contrast control relative characteristics (minimum) relative to measured values above 0.8 1 1.2 - v scr1 sub contrast control characteristics (typical) t.p.35 t.p.30 t.p.25 b sg6 b sg6 b sg6 4525 b sg5 a - 14 15.5 17 db d v scr1 sub contrast control relative characteristics (typical) relative to measured values above 0.8 1 1.2 - v scr2 sub contrast control characteristics (minimum) t.p.35 t.p.30 t.p.25 b sg6 b sg6 b sg6 1525 b sg5 a - 0.5 0.9 1.3 v p-p d v scr2 sub contrast control relative characteristics (minimum) relative to measured values above 0.8 1 1.2 - v scr3 contrast/sub contrast control characteristics (typical) t.p.35 t.p.30 t.p.25 b sg6 b sg6 b sg6 3325 b sg5 a - 0.8 1.5 2.2 v p-p d v scr3 contrast/sub contrast control relative characteristics (typical) relative to measured values above 0.8 1 1.2 - v b1 brightness control characteristics (maximum) t.p.35 t.p.30 t.p.25 a - a - a - 5545 b sg5 a - 3.0 3.6 4.2 v d v b1 brightness control relative characteristics (maximum) relative to measured values above -0.3 0 0.3 v
mitsubishi ics (monitor) M52734sp 3-channel video amplification with osd blanking 3 electrical characteristics (cont.) symbol parameter test conditions limits unit test point (s) input external power supply (v) pulse input sw13 r-ch sw8 g-ch sw3 b-ch v4 v17 v19 v36 sw18 sw1 5, 10, 15 min. typ. max. v b2 brightness control characteristics (typical) t.p.35 t.p.30 t.p.25 a - a - a - 5 5 2.5 5 b sg5 a - 1.7 2.3 2.9 v d v b2 brightness control relative characteristics (typical) relative to measured values above -0.3 0 0.3 v v b3 brightness control characteristics (minimum) t.p.35 t.p.30 t.p.25 a - a - a - 5515 b sg5 a - 0.5 0.9 1.3 v d v b3 brightness control relative characteristics (minimum) relative to measured values above -0.3 0 0.3 v f c1 frequency characteristics 1 (f=50mhz;maximum) t.p.35 t.p.30 t.p.25 b sg2 b sg2 b sg2 5 2.5 v t - a - a - -2.5 -1 3 db d f c1 frequency relative characteristics 1 (f=50mhz;maximum) relative to measured values above -1 0 1 db f c1 frequency characteristics 1 (f=130mhz;maximum) t.p.35 t.p.30 t.p.25 b sg3 b sg3 b sg3 5 2.5 v t - a - a - -3 -2 3 db d f c1 frequency relative characteristics 1 (f=130mhz;maximum) relative to measured values above -1 0 1 db f c2 frequency characteristics 2 (f=50mhz; maximum) t.p.35 t.p.30 t.p.25 b sg2 b sg2 b sg2 5 1.5 v t - a - a - -3 0 3 db d f c2 frequency relative characteristics 2 (f=130mhz; maximum) t.p.35 t.p.30 t.p.25 b sg3 b sg3 b sg3 5 1.5 v t - a - a - -1 0 1 db c.t.1 crosstalk 1 (f=50mhz) t.p.35 t.p.30 t.p.25 b sg2 a - a - 55v t - a - a - - -30 -20 db c.t.1 crosstalk 1 (f=130mhz) t.p.35 t.p.30 t.p.25 b sg3 a - a - 55v t - a - a - - -20 -15 db c.t.2 crosstalk 2 (f=50mhz) t.p.35 t.p.30 t.p.25 a - b sg2 a - 55v t - a - a - - -30 -20 db c.t.2 crosstalk 2 (f=130mhz) t.p.35 t.p.30 t.p.25 a - b sg3 a - 55v t - a - a - - -20 -15 db c.t.3 crosstalk 3 (f=50mhz) t.p.35 t.p.30 t.p.25 a - a - b sg2 55v t - a - a - - -30 -20 db c.t.3 crosstalk 3 (f=130mhz) t.p.35 t.p.30 t.p.25 a - a - b sg3 55v t - a - a - - -20 -15 db tr pulse characteristics 1 t.p.35 t.p.30 t.p.25 b sg4 b sg4 b sg4 5 3.3 2 - b sg5 a - - 3 7 nsec tf pulse characteristics 2 t.p.35 t.p.30 t.p.25 b sg4 b sg4 b sg4 5 3.3 2 - b sg5 a - - 4 8 nsec v14th clamp pulse threshold voltage t.p.35 t.p.30 t.p.25 a - a - a - 552 - b sg5 a - 1.0 1.5 2.0 v dc w14 clamp pulse minimum width t.p.35 t.p.30 t.p.25 a - a - a - 552 - b sg5 a - - 0.1 0.5 m sec p dch pedestal voltage temperatere characteristics1 t.p.35 t.p.30 t.p.25 b sg6 b sg6 b sg6 552 b sg5 a - -0.3 0 0.3 v dc
mitsubishi ics (monitor) M52734sp 3-channel video amplification with osd blanking 4 electrical characteristics test method 1. because a description of signal input pin and pulse input pin switch numbers is already given in supplementary table, only external power supply switch numbers are included in the notes below. sub contrast voltages v4, v9 and v14 are always set to the same voltage, therefore only v4 is referred to in supplementary table. i cc circuit current measuring conditions are as listed in supplementary table. measured with an ammeter at test point a when sw1 is set to a. vomax output dynamic range voltage v19 is varied as described below: 1. increase v19 gradually while inputting sg6 to pin 13 (8 or 3). measure the voltage when the top of the waveform output at t.p25 (30 or 35) is distorted. the voltage is called v tr1 (v tg1 or v tb1 ). next, decrease v19 gradually, and measure the voltage when the bottom of the waveform output at t.p35 (30 or 25) is distorted. the voltage is called v tr2 (v tg2 or v tb2 ). 2. voltage v t (v tr , v tg and v tb ) is calculated by the equation below: use relevant voltages, depending on the pin at which the waveform is output; speci?ally, use v tr1 when it is output at t.p25; v tg1 , at t.p30, and v tb , at t.p35. waveform output at t.p25 (identical to output at t.p30 and t.p35.) 0.0 5.0 (v) v tr1 (v tg1 , v tb1 ) + v tr2 (v tg1 , v tb1 ) 2 v tr (v tg , v tb )= electrical characteristics (cont.) symbol parameter test conditions limits unit test point (s) input external power supply (v) pulse input sw13 r-ch sw8 g-ch sw3 b-ch v4 v17 v19 v36 sw18 sw1 5, 10, 15 min. typ. max. p dcl pedestal voltage temperatere characteristics2 t.p.35 t.p.30 t.p.25 b sg6 b sg6 b sg6 552 - b sg5 a - -0.3 0 0.3 v dc otr osd pulse characteristics1 t.p.35 t.p.30 t.p.25 a - a - a - 5523 a - b sg7 - 4 8 nsec otf osd pulse characteristics2 t.p.35 t.p.30 t.p.25 a - a - a - 5523 a - b sg7 - 4 8 nsec oaj1 osd adjusting control characteristics (maximum) t.p.35 t.p.30 t.p.25 a - a - a - 5524 a - b sg7 3.5 4.0 4.5 v p-p d oaj1 osd adjusting control relative characteristics (maximum) relative to measured values above 0.8 1 1.2 - oaj2 osd adjusting control characteristics (minimum) t.p.35 t.p.30 t.p.25 a - a - a - 5520 a - b sg7 - 0 0.5 v p-p d oaj2 osd adjusting control relative characteristics (minimum) relative to measured values above 0.8 1 1.2 - osdth osd input threshold voltage t.p.35 t.p.30 t.p.25 a - a - a - 5525 a - b sg7 1.7 2.5 3.5 v dc v1th blk input threshold voltage t.p.35 t.p.30 t.p.25 b sg6 b sg6 b sg6 5525 a - sw1 only b sg7 1.7 2.5 3.5 v dc
mitsubishi ics (monitor) M52734sp 3-channel video amplification with osd blanking 5 3. after setting v tr (v tg or v tb ), increase the sg6 amplitude gradually, starting from 700mv. measure the amplitude when the top and bottom of the waveform output at t.p25 (30 or starts becoming distorted synchronously. vimax maximum input measuring conditions are the same as those used above, except that the setting of v17 is changed to 2.5v as speci?d in supplementary table. increase the input signal amplitude gradually, starting from 700mv p-p . measure the amplitude when the output signal starts becoming distorted. gv maximum gain d gv relative maximum gain 1. input sg6 to pin 13 (8 or 3), and read the amplitude at output t.p25 (30 or 35). the amplitude is called v or1 (v og1 or v ob1 ) . 2. maximum gain g v is calculated by the equation below: 3. relative maximum gain d g is calculated by the equation below: d g v =v or1 /v og1 , v og1 /v ob1 , v ob1 /v or1 v cr1 contrast control characteristics (typical) d v cr1 contrast control relative characteristics (typical) 1. measuring conditions are as given in supplementary table. the setting of v17 is changed to 4v. 2. measure the amplitude output at t.p25 (30 or 35). the measured value is called v or2 (v og2 or v ob2 ). 3. contrast control characteristics v cr1 and relative characteristics d v cr1 are calculated, respectively, by the equations below: d v cr1 =v or2 /v og2 , v og2 /v ob2 , v ob2 /v or1 v cr2 contrast control characteristics (minimum) d v cr2 contrast control relative characteristics (minimum) 1. measuring conditions are as given in supplementary table. the setting of v17 is changed to 1.0v. 2. measure the amplitude output at t.p25 (30 or 35). the measured value is called v or3 (v og3 or v ob3 ), and is treated as v cr2 . 3. contrast control relative characteristics d v cr2 are calculated by the equation below: d v cr2 =v or3 /v og3 , v og3 /v ob3 , v ob3 /v or3 v scr1 sub contrast control characteristics (typical) d v scr1 sub contrast control relative characteristics (typical) 1. set v4, v9 and v14 to 4.0v. other conditions are as given in supplementary table. 2. measure the amplitude output at t.p25 (30 or 35). the measured value is called v or4 (v og4 or v ob4 ). 3. sub contrast control characteristics v scr1 and relative characteristics d v scr1 are calculated, respectively, by the equations below: d v scr1 =v or4 /v og4 , v og4 /v ob4 , v ob4 /v or4 v scr2 sub contrast control characteristics (minimum) d v scr2 sub contrast control relative characteristics (minimum) 1. set v4, v9 and v14 to 1.0v. other conditions are as given in supplementary table. 2. measure the amplitude output at t.p25 (30 or 35). the measured value is called v or5 (v og5 or v ob5 ). 3. relative characteristics d v scr2 are calculated by the equation below: d v scr2 =v or5 /v og5 , v og5 /v ob5 , v ob5/ v or5 v scr3 contrast/sub contrast control characteristics (typical) d v scr3 contrast/sub contrast control relative characteristics (typical) 1. set v4, v9, v14 and v17 to 3.0v. other conditions are as given in supplementary table. 2. measure the amplitude at t.p25 (30 or 35). the measured value is called v or6 (v og6 or v ob6 ). d v cr3 =v or6 /v og6 , v og6 /v ob6 , v ob6 /v or6 v b1 brightness control characteristics (maximum) d v b1 brightness control relative characteristics (maximum) 1. measuring conditions are as given in supplementary table. 2. measure the output at t.p25 (30 or 35) with a voltmeter. the measured value is called v or7 (v og7 or v ob7 ), and is treated as v b1 . 3. to obtain brightness control relative characteristics, calculate the difference in the output between the channels, using v or7 , v og7 and v ob7 . d v b1 =v or7 -v og7 [mv] =v og7 -v ob7 =v ob7 -v or7 v or1 (v og1 , v ob1 ) 0.7 [v p-p ] [v p-p ] g v =20log v or2 (v og2 , v ob2 ) 0.7 [v p-p ] [v p-p ] v cr1 =20log v or4 (v og4 , v ob4 ) 0.7 [v p-p ] [v p-p ] v scr1 =20log v or6 (v og6 , v ob6 ) 0.7 [v p-p ] [v p-p ] v cr3 =20log
mitsubishi ics (monitor) M52734sp 3-channel video amplification with osd blanking 6 v b2 brightness control characteristics (typical) d v b2 brightness control relative characteristics (typical) 1. measuring conditions are as given in supplementary table. 2. measure the output at t.p25 (30 or 35) with a voltmeter. the measured value is called v or7' (v og7' or v ob7' ), and is treated as v b2 . 3. to obtain brightness control relative characteristics ( d v b2 ), calculate the difference in the output between the channels, using v or7' , v og7' , and v ob7' . d v b2 =v or7' -v og7' [mv] =v og7' -v ob7' =v ob7' -v or7' v b3 brightness control characteristics (minimum) d v b3 brightness control relative characteristics (minimum) 1. measuring conditions are as given in supplementary table. 2. measure the output at t.p25 (30 or 35) with a voltmeter. the measured value is called v or7" (v og7" or v ob7" ), and is treated as v b2 . 3. to obtain brightness control relative characteristics ( d v b3 ), calculate the difference in the output between the channels, using v or7" , v og7" and v ob7" . d v b3 =v or7'' -v og7'' [mv] =v og7'' -v ob7'' =v ob7'' -v or7'' f c1 frequency characteristics1 (f=50mhz; maximum) d f c1 frequency relative characteristics1 (f=50mhz; maximum) f c1 ' frequency characteristics1 (f=130mhz; maximum) d f c1 ' frequency relative characteristics1 (f=130mhz; maximum) 1. measuring conditions are as given in supplementary table. 2. sg1 sg2 and sg3 are input. the amplitude of the waveform output at t.p25 (30 or 35) is measured. 3. supposing that the measured value is treated as amplitude v or1 (v og1 or v ob1 ) when sg1 is input, as v or8 (v og8 or v ob8 ) when sg2 is input, or as v or9 (v og9 or v ob9 ) when sg3 is input, frequency characteristics f c1 and f c1' are calculated as follows: 4. frequency relative band widths d f c1 and d f c1' are equal to the difference in f c1 and f c1' , respectively, between the channels. f c2 frequency characteristics2 (f=50mhz; maximum) d f c2 ' frequency relative characteristics2 (f=130mhz; maximum) measuring conditions and procedure are the same as described in f c1 , d f c1 , f c1' , d f c1' , except that contrast (v17) is turned down to 1.5v. c.t.1 crosstalk1 (f=50mhz) c.t.1' crosstalk1 (f=130mhz) 1. measuring conditions are as given in supplementary table. 2. input sg2 (or sg3) to pin 13 (r-ch) only, and then measure the waveform amplitude output at t.p25 (30 or 35). the measured value is called v or , v og and or v ob respectively. 3. crosstalk c.t. 1 is calculated by the equation below: c.t.2 crosstalk2 (f=50mhz) c.t.2' crosstalk2 (f=130mhz) 1. change the input pin from pin 13 (r-ch) to pin 8 (g-ch), and measure the output in the same way as in c.t.1, c.t.1'. 2. crosstalk c.t. 2 is calculated by the equation below: c.t.3 crosstalk3 (f=50mhz) c.t.3' crosstalk3 (f=130mhz) 1. change the input pin from pin 13 (r-ch) to pin 3 (b-ch), and measure the output in the same way as in c.t.1, c.t.1'. 2. crosstalk c.t. 3 is calculated by the equation below: v or8 (v og8 , v ob8 ) [v p-p ] v or1 (v og1 , v ob1 ) [v p-p ] f c1 =20log v or9 (v og9 , v ob9 ) [v p-p ] v or1 (v og1 , v ob1 ) [v p-p ] f c1 '=20log v og or v ob [v p-p ] v or [v p-p ] [db] c.t.1 =20log (c.t.1') v or or v ob [v p-p ] v og [v p-p ] [db] c.t.2 =20log (c.t.2') v or or v og [v p-p ] v ob [v p-p ] [db] c.t.3 =20log (c.t.3')
mitsubishi ics (monitor) M52734sp 3-channel video amplification with osd blanking 7 tr pulse characteristics1 tf pulse characteristics2 1. measuring conditions are as given in supplementary table. 2. measure the time needed for the input pulse to rise from 10% to 90% (tr1) and to fall from 90% to 10% (tf1) with an active prove. 3. measure the time needed for the output pulse to rise from 10% to 90% (tr2) and to fall from 90% to 10% (tf2) with an active prove. 4. pulse characteristics tr and tf are calculated by the equation below: tr (nsec)= (tr2) 2 -(tr1) 2 tf (nsec)= (tf2) 2 -(tf1) 2 v14th clamp pulse threshold voltage 1. measuring conditions are as given in supplementary table. 2. turn down the sg5 input level gradually, monitoring the output (about 2.0 vdc). measure the sg5 input level when the output reaches 0v. w14 clamp pulse minimum width under the same conditions as given in note 19, reduce the sg5 pulse width gradually, monitoring the output. measure the sg5 pulse width when the output reaches 0v. p dch pedestal voltage temperatere characteristics1 p dcl pedestal voltage temperatere characteristics2 1. measuring conditions are as given in supplementary table. 2. measure the pedestal voltage at room temperature. the measured value is called p dc1 . 3. measure the pedestal voltage at temperatures of -20 c and 85 c. the measured value is called, respectively, p dc2 and p dc 3. 4. p dch =p dc1 - p dc2 p dcl =p dc1 - p dc3 otr osd pulse characteristics1 otf osd pulse characteristics2 1. measuring conditions are as given in supplementary table. 2. measure the time needed for the the output pulse to rise from 10% to 90% (otr) and to fall from 90% to 10% (otf) with an active prove. oaj1 osd adjusting control characteristics (maximum) d oaj1 osd adjusting control relative characteristics (maximum) 1. measuring conditions are as given in supplementary table. 2. measure the amplitude at t.p25 (30 or 35). the measured value is called v ora (v oga or v oba ), and is treated as oaj1. 3. osd adjusting control relative characteristics d oaj1 are calculated by the equation below: oaj2 osd adjusting control characteristics (minimum) d oaj2 osd adjusting control relative characteristics (minimum) 1. measuring conditions are as given in supplementary table, except that v36 is set to 0v. 2. measure the amplitude at t.p25 (30 or 35). the measured value is called v orb (v ogb or v obb ), and is treated as oaj2. 3. osd adjusting control relative characteristics d oaj2 are calculated by the equation below: osdth osd input threshold voltage 1. measuring conditions are as given in supplementary table. 2. reduce the sg7 input level gradually, monitoring output. measure the sg7 level when the output reaches 0v. the measured value is called osdth. v1th blk input threshold voltage 1. measuring conditions are as given in supplementary table. 2. make sure that signals are not being output synchronously with sg7 (blanking period). 3. reduce the sg7 input level gradually, monitoring output. measure the sg7 level when the blanking period disappears. the measured value is called v1th. 100% 90% 0% 10% tr tf
mitsubishi ics (monitor) M52734sp 3-channel video amplification with osd blanking 8 input signal sg no. signals sg1 sine wave of amplitude 0.7v p-p (f=1mhz) sg2 sine wave with amplitude of 0.7v p-p (f=50mhz) sg3 sine wave with amplitude of 0.7v p-p (f=130mhz) sg4 pulse with amplitude of 0.7v p-p (f=1mhz, duty=50%) pulses which are synchronous with sg4 pedestal portion sg5 pulses which are synchronous with standard video step waveform pedestal portion: amplitude, 2.0v p-p ; and pulse width, 3.0 m s (pulse width and amplitude sometimes variable) sg6 standard video step waveform video signal with amplitude of 0.7v p-p (f=30khz, amplitude sometimes variable) sg7 osd blk and osd signals pulses which are synchronous with standard video step waveforms video portions: amplitude, 4.0v p-p ; and pulse width, 25 m s 0.7v p-p 0.7v p-p 2.0v p-p 3.0 m s 0v 3.0 m s 4v 0v
mitsubishi ics (monitor) M52734sp 3-channel video amplification with osd blanking 9 test circuit typical characteristics units resistance : w capacitance : f gnd gnd nc gnd v cc v cc gnd v cc gnd v cc gnd 34 32 33 31 30 26 27 25 23 24 22 29 28 680 2.2 m v19 v17 sg5 v14 v9 v4 sg1 sg2 sg3 sg4 sg6 100 m 0.01 m b a swa b a sw18 35 36 680 2.2 m 680 2.2 m b a sg7 sw1 b a sw3 0.01 m 0.01 m 0.01 m sw13 sw8 a 12v v cc v cc M52734sp 20 21 19 13 245 9 81012 11 13 14 6 7 15 16 17 18 v36 sg7 b a sw5 b a b a b a b a nc nc nc sw15 sw10 ambient temperature ta ( c) 0 25 50 75 100 125 400 800 1200 2400 150 -20 thermal derating (maximum rating) power dissipation p d (mw) 85 1600 2000 2016
mitsubishi ics (monitor) M52734sp 3-channel video amplification with osd blanking 10 application example 19 110v dc clamp crt 12v clamp input (b) input (g) input (r) 0 to 5v 0 to 5v 0 to 5v nc 29 32 28 27 23 24 22 20 21 26 25 34 30 0 to 5v 0 to 5v osd blk in units resistance : w capacitance : f 35 31 33 36 18 8 5 9 10 14 13 15 17 16 11 12 37 26 4 1 M52734sp 680 680 680 nc nc nc 0 to 5v osd in (b) osd in (g) osd in (r)
mitsubishi ics (monitor) M52734sp 3-channel video amplification with osd blanking 11 description of pin pin no. name dc voltage (v ) peripheral circuit of pins description of function 1 osd blk in - input pulses of minimum 3v. connected to gnd if not used. 2 7 12 v cc (b-ch) v cc (g-ch) v cc (r-ch) 12 - apply equivalent voltage to 3 channels. 3 8 13 input (b) input (g) input (r) 2.5 clamped to about 2.5v due to clamp pulses from pin 18. input at low impedance. 4 9 14 subcontrast (b) subcontrast (g) subcontrast (r) 2.5 use at maximum 5v for stable operation. 5 10 15 osd in (b) osd in (g) osd in (r) - input pulses of minimum 3v. connected to gnd if not used. 2.5v 0.9ma v cc gnd b-ch g-ch 1 1v maximum 3 to 5v v cc 2.5v 0.24ma cp gnd 2k 2k 2.5v 1.5k 23.5k v cc gnd v cc 2.2v gnd 1.1ma 1v maximum 3 to 5v
mitsubishi ics (monitor) M52734sp 3-channel video amplification with osd blanking 12 description of pin (cont.) pin no. name dc voltage (v ) peripheral circuit of pins description of function 6, 31 11, 26 16, 21 gnd (b-ch) gnd (g-ch) gnd (r-ch) gnd - 17 main contrast 2.5 use at maximum 5v for stable operation. 18 cp in - input pulses of minimum 2.5v. input at low impedance. 19 brightness - 20, 22, 27, 32 nc -- connected to gnd usually; otherwise kept open. 23 28 33 hold (r) hold (g) hold (b) variable a capacity is needed on the gnd side. v cc 2.2v gnd 17 23.5k 1.5k v cc 2.2v gnd 41k 18 0.5v maximum 2.5v minimum b-ch g-ch v cc gnd 19 20.3k v cc gnd 1k 0.2ma
mitsubishi ics (monitor) M52734sp 3-channel video amplification with osd blanking 13 description of pin (cont.) pin no. name dc voltage (v ) peripheral circuit of pins description of function 24 29 34 v cc2 (r) v cc2 (g) v cc2 (b) apply 12 used to supply power to output emitter follower only. apply equivalent voltage to 3 channels. 25 30 35 output (r) output (g) output (b) variable a resistor is needed on the gnd side. set discretionally to maximum 15ma, depending on the required driving capacity. 36 osd adjust apply at open 5.5v pulled up directly to v cc or open if not used. pin 25 pin 30 pin 35 pin 24 pin 29 pin 34 50 v cc gnd 50k 65k 55k 65k 55k 1k 10p

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