MITSUBISHI ICs (TV) M52338FP INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL DESCRIPTION The M52338FP is a semiconductor integrated circuit containing an interface circuit which is necessary to drive an active matrix liquid crystal panel. PIN CONFIGURATION (TOP VIEW) 1 32 VCC1 CLAMP R 2 31 EXT IN R MAIN IN G 3 30 SUB CONTRAST B CLAMP G 4 29 EXT IN G MAIN IN B 5 28 SUB CONTRAST R CLAMP B 6 27 EXT IN R MAIN/EXT SW 7 HD IN 8 CP CONT. 9 FEATURES • γ correction circuit is built in to correct non-linearity of luminance characteristics caused by applied voltage which is peculiar to a liquid crystal panel. • By combining with Mitsubishi video/chroma signal processing ICs, M52042FP (NTSC) and M52045FP (PAL), low cost and optimal system configuration is possible. APPLICATION M52338FP MAIN IN R 22 FRP1 IN 21 R OUT Supply voltage GND=0V,VCC1=VCC2 VCC1 VCC2 VEE 20 SUB BIAS R 19 G OUT BIAS CONT. 15 Recommended supply voltage 4.0 to 5.5V 4.5V -7.0 to 8.5V -7.5V 24 CONTRAST 23 BRIGHT COMMON OUT 14 Operating supply voltage γ2 γ1 VEE 11 COMMON GAIN CONT. 13 RECOMMENDED OPERATING CONDITION 25 VCC2 10 FRP2 IN 12 Active matrix liquid crystal color television 26 18 SUB BIAS B GND 16 17 B OUT Outline 32P2U-B BLOCK DIAGRAM MAIN IN R 1 SW γ1 γ2 7 25 26 CP SUB SUB SUB BIAS CONTRAST CONTRAST CLAMP G B R CLAMP B R BRIGHT CLAMP R 28 30 23 3 CP MAIN IN B 5 CP 4 6 20 18 γ-AMP CONTRAST BRIGHT CLAMP SUB BIAS DRIVE BUFFER PEAK LIMITER 21 R OUT γ-AMP CONTRAST BRIGHT CLAMP SUB BIAS DRIVE BUFFER PEAK LIMITER 19 G OUT γ-AMP CONTRAST BRIGHT CLAMP SUB BIAS DRIVE BUFFER PEAK LIMITER 17 B OUT MAIN MAIN IN G 2 SUB BIAS B EXT EXT IN R 27 CP EXT IN G 29 CP EXT IN B 31 CP SW CP HO IN 8 FRP1 CP 15 FRP2 IN 12 COMMON INV 13 COMMON GAIN CONT. 14 COMMON OUT CLAMP 9 CP CONT. 24 32 16 22 10 11 CONTRAST VCC1 GND FRP1 IN VCC2 VEE BIAS CONT. MITSUBISHI ICs (TV) M52338FP INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL ABSOLUTE MAXIMUM RATINGS (Ta= 25˚C unless otherwise noted) VCC1 VCC2 VEE Pd Topr Tstg Vmax Ratings 5.0 5.5 -8.5 580 - 20 to +70 - 55 to +150 ±200 Parameter Symbol Supply voltage 1 Supply voltage 2 Supply voltage 3 Power dissipation Operating temperature Storage temperature Electrostatic discharge Unit V V V mW ˚C ˚C V ELECTRICAL CHARACTERISTICS (VCC1 = VCC2 =4.5V, VEE = 7.5V, Ta = 25˚C ,HD pulse must be input, unless otherwise noted) Symbol ICC1 ICC2 comin 1 Parameter Circuit current 1 1.0 4.5 -1.65 -1.45 -1.25 V GND 8.0 8.8 9.5 VP-P -1.25 V Min. P32 P10 Circuit current 2 Minimum common output 1 P14 P12 FRP2 cominT1 Minimum common center voltage level 1 comax1 Maximum common output 1 P14 P12 FRP2 Maximum common center comaxT1 voltage level 1 4.5 Limits Typ. 36 26 1.2 Test conditions Test Input Input Note point point SG P7 Pg P13 P15P18 P20P23P24 P25P26P28 P30 (FRP1) P14 P12 FRP2 P14 P12 FRP2 GND -1.65 -1.45 Max. 45 30 2.0 Unit mA mA VP-P cothH1 Common through rate 1 (rising) P14 P12 FRP2 GND 1.1 1.35 V /µsec cothL1 Common through rate 1 (falling) P14 P12 FRP2 GND 1.1 1.35 V /µsec MA1 Maximum input level A1 P17 P19 P21 P1 P3 P5 2.7 3.0 3.3 VP-P MOA1 Offset 1 among channels at maximum input level A 0.0 200 mV P17 P19 P21 P1 P3 P5 3.0 3.3 VP-P 0.0 200 mV 0.0 300 mVP-P -4.25 -3.90 V 0.0 300 mV 0.75 1.10 V 0.0 300 mV -1.75 -1.60 V 0.0 150 mV 2.9 3.4 VP-P 0.0 200 mV MB1 Maximum input level B1 MOB1 Offset 1 among channels at maximum input level B M1 Maximum input level difference 1 P11 Pedestal voltage level 11 PO11 Offset 1 among channels at pedestal voltage level 1 P21 Pedestal voltage level 21 PO21 Offset 1 among channels at pedestal voltage level 2 S1 Center output voltage level 1 SO1 Offset 1 among channels at center output voltage level A1 Output amplitude A1 OA1 Offset 1 among channels at output amplitude A Y Y 1.0V 4.5V 4.5V 1.0V 4.5V 4.5V 4.5V GND 2.7 GND 4.5V P17 P19 P21 P17 P19 P21 P1 P3 P5 P1 P3 P5 Y Y G N D 4.5V 4.5V G N D 4.5V 4.5V 4.5V GND -4.90 0.10 -2.40 P17 P19 P21 P1 P3 P5 Y 1.5V 4.5V 4.5V 4.5V 2.5 MITSUBISHI ICs (TV) M52338FP INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL ELECTRICAL CHARACTERISTICS (cont.) Symbol Parameter B1 Output amplitude B1 OB1 Offset 1 among channels at output amplitude B L1 Linearity 1 W11 White balance 1 WO11 Offset 1 among channels at white balance 1 W21 White balance 2 WO21 Offset 1 among channels at white balance 2 γ11 γ1 control 1 γ12 γ1 control 2 γ21 γ2 control 1 γ22 γ2 control 2 COmin1 Contrast control 1 (contrast=GND) COopen1 Contrast control 1 (contrast=open) COmax1 Contrast control 1 (contrast=4.5V) Test conditions Note Test Input Input point point SG P7 Pg P13P15P18 P20P23P24 P25P26P28 P30 (FRP1) P17 P1 1.5V 4.5V 4.5V GND P19 P3 Y P21 P5 P17 P19 P21 P17 P19 P21 P1 P3 P5 P1 P3 P5 P17 P19 P21 P17 P19 P21 P17 P19 P21 P17 P19 P21 P17 P19 P21 P17 P19 P21 P17 P19 P21 P1 P3 P5 P1 P3 P5 P1 P3 P5 P1 P3 P5 P1 P3 P5 P1 P3 P5 P1 P3 P5 P17 P19 P21 P17 P19 P21 P17 P19 P21 P1 P3 P5 P1 P3 P5 P1 P3 P5 Y Y 4.5V 4.5V 4.5V COmina COopena Contrast control a (contrast=open) COmaxa Contrast control a (contrast=4.5V) COmaxa Contrast control Max gain a P1 P5 0.0 200 mV -100 0.0 100 VP-P 4.5V 0.3 0.5 0.7 mV 0.0 100 V -3.65 -3.55 V 0.0 100 mV -3.85 10.5 dB Y 1.5V 1.0V 4.5V 4.5V 5.0 6.5 7.5 dB Y 1.5V 4.5V 1.0V 4.5V 2.0 3.0 4.0 dB Y 1.5V 4.5V 1.0V 4.5V 3.0 4.0 5.0 dB Y GND4.5V 4.5V 4.5V 0.0 30 mVP-P Y 4.5V 4.5V 4.5V 1.00 1.30 1.60 VP-P Y 4.5V 4.5V 4.5V 4.5V 2.0 2.5 2.8 VP-P 4.5V 20 22 24 dB 0.0 30 mVP-P Y GND4.5V 4.5V GND Y 4.5V 4.5V GND 1.00 1.30 1.60 VP-P Y 4.5V 4.5V 4.5V GND 2.0 2.5 2.8 VP-P GND 20 22 24 dB -0.3 0.0 0.3 dB -25 0.0 25 mV 4.5V -0.3 0.0 0.3 dB GND -0.3 0.0 0.3 dB 4.5V 3.8 4.1 4.4 VP-P GND 4.5V GND 4.5V P17 P21 VP-P 9.0 Non-inverted contrast control offset 1 among channels (contrast=4.5V) Inverted contrast control offset 1 among channels (contrast=4.5V) Sub contrast control 1 (sub contrast=GND) 3.4 7.5 Non-inverted/inverted contrast SCmin 1 2.9 4.5V COmaxO1 control offset 1 (contrast=GND) COB1 8.5 Unit 1.5V 1.0V 4.5V Non-inverted/inverted contrast COminO1 control offset 1 (contrast=4.5V) COA1 Max. Y COmaxG1 Contrast control Max gain 1 Contrast control a (contrast=GND) Limits Typ. GND 4.5V GND 4.5V 4.5V 4.5V Min. Y GND ....... 1.0V 4.5V 4.5V ....... GND MITSUBISHI ICs (TV) M52338FP INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL ELECTRICAL CHARACTERISTICS (cont.) Parameter Symbol SCmax1 Sub contrast control 1 (sub contrast=4.5V) SC1 Sub contrast control variance 1 BRmin1 Brightness control 1 (bright=GND) BRopen1 Brightness control 1 (bright=open) BRmax1 Brightness control 1 (bright=4.5V) BR1 Brightness control variance 1 BRmin1 BRmax1 Note Test conditions Test Input Input point point SG P7 Pg P13P15 P18P20P23 P24P25P26 P28P30 (FRP1) P17 P1 4.5V ....... Y P21 1.0V 4.5V 4.5V ....... 4.5V P5 P17 P19 P21 P17 P19 P21 P17 P19 P21 P1 P3 P5 P1 P3 P5 P1 P3 P5 Sub bias control 1 (sub bias=GND) SBmax1 Sub bias control 1 (sub bias=4.5V) P17 1.45 1.75 1.95 VP-P 2.10 2.45 2.80 V -8.7 -8.1 -7.5 VP-P Y GND4.5V 4.5V IN -5.5 -4.8 -4.2 VP-P Y 4.5V GND4.5V 4.5V IN 3.3 3.6 3.9 VP-P 10.5 11.5 12.5 V 0.0 0.0 300 mVP-P 0.0 0.0 300 mVP-P GND ....... GND4.5V 4.5V IN -7.25 -7.00 -6.30 VP-P GND4.5V 4.5V IN -3.05 -2.70 -2.15 VP-P 3.6 4.3 4.8 V ....... GND P5 P1 4.5V ....... Y ....... 4.5V P5 Sub bias control variance 1 P17 Main frequency P19 characteristics 11 P1 SYNC+ 1.5V 4.5V 4.5V F11 GND P3 SWEEP 4.5 P21 P5 P17 P1 SYNC+ Main frequency 4.5V 1.5V 4.5V 4.5V F21 P19 P3 SWEEP 4.0 characteristics 21 P21 P5 P17 P1 Cross talk 1 among 1.5V 4.5V 4.5V Y IN P19 P3 CC1 channels P21 P5 P17 P1 Y 1.5V 4.5V 4.5V Main/EXT cross talk 1 P19 P3 IN CS1 P21 P5 Note 1: Limits equivalent to the above are guaranteed when pin 7 is connected to GND and the mode is changed to EXT. TYPICAL CHARACTERISTICS THERMAL DERATING (MAXIMAM RATING) POWER DISSIPATION Pd(mW) 1200 1000 800782 600 400391 200 0 -20 0 25 50 70 75 Unit IN Y P21 Max. GND GND4.5V 4.5V P1 P21 P17 Limits Typ. Y Brightness control offset 1 among channels (bright=GND) Brightness control offset 1 among channels (bright=4.5V) SBmiR1 SB1 4.5V Min. 100 AMBIENT TEMPERATURE Ta (˚C) 125 5.5 MHz 5.0 MHz -45 dB -45 dB MITSUBISHI ICs (TV) M52338FP INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL ELECTRICAL CHARACTERISTICS TEST METHOD ICC1,ICC2 Circuit current 1, 2 Measure quiescent current flowing into pins 1 and 10 . COmin1,COmax1 Common output 1 Input FRP2 and measure the output amplitude when voltage at pin 13 is changed to GND, and 4.5V. COminT1,COmaxT1 Common center voltage level 1 Input FRP2 and measure the center voltage level of output waveform when voltage at pin 13 is changed to GND, and 4.5V. cothH1,cothL1 Common through rate 1 Input FRP2 and measure through rates at rising point and falling point of the output waveform when voltage at pin 13 is connect-ed to GND. MA1 Maximum input level A Connect pin 22 to 4.5V and measure the non-inverted output amplitude between pedestal level and white level at pins 17 , 19 , and 21 when signal Y (1.5VP-P) is input. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. MOA1 Offset among channels at maximum input level A Based on the results of maximum input level A, calculate the difference in amplitude level among channels. MB1 Maximum input level B Connect pin 22 to GND and measure the inverted output amplitude between pedestal level and white level at pins 17 , 19 , and 21 when signal Y (1.5VP-P) is input. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. MOB1 Offset among channels at maximum input level B Based on the results of the maximum input level B, calculate the difference in amplitude level among channels. M1 Maximum input level difference Calculate difference in output amplitude between maximum input level A and level B of each channel. P11 Pedestal voltage level 1 In inputting signal Y, measure output voltage at pins 17 , 19 , and 21 when pin 22 is 4.5V and pin 24 is grounded. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. PO11 Offset among channels at pedestal voltage level 1 Based on the results of pedestal voltage level 1, calculate offset among channels. PO21 Pedestal voltage level 2 In inputting signal Y, measure output voltage at pins 17 , 19 , and 21 when voltage at pins 22 and 24 are connected to GND. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. PO21 Offset among channels at pedestal voltage level 2 Based on the results of pedestal voltage level 2, calculate offset among channels. S1 Center output voltage level Measure the center voltage level based on pedestal voltage levels 1 and 2 of each channel. M=(pedestal voltage level 1 - pedestal voltage level 2) /2 SO1 Offset among channels at center output voltage level Based on the result of center output voltage level, measure offset among channels. A1 Output amplitude A In inputting signal Y, measure non-inverted output amplitude between pedestal level and white level at pins 17 , 19 ,and 21 0 when pin 22 is 4.5V and voltage at pin 24 is 1.5V. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. OA1 Offset among channels at output amplitude A Based on the results of output amplitude A, calculate the difference in output amplitude among channels. B1 Output amplitude B In inputting signal Y, measure non-inverted output amplitude between pedestal level and white level at pins 17 , 19 , and 210 when voltage at pin 22 is grounded and voltage at pin 24 is 1.5V. Also, measure in the same way as above, when pin 7 is connected to GND and the mode is changed to EXT. OB1 Offset among channels at output amplitude B Based on the results of output amplitude B, calculate the difference in output amplitude among channels. L1 Linearity Measure the difference in inverted/inverted output amplitude of the output waveform found as the results of output amplitude A and B. Also, measure in the same way as above, when pin 7 is connected to GND and the mode is changed to EXT. W11 White balance 1 In inputting signal Y, measure white peak level of each channel when voltage at pin 22 and 24 are 4.5V (in the state that peak limiter work). Also, measure in the same way as above when pin 7 is connected to 4.5V and the mode is changed to EXT. WO11 Offset among channels at white balance 1 Based on the results of white balance 1, measure offset among channels. W21 White balance 2 In inputting signal Y, measure white peak level of each channel when pin 22 is grounded and voltage at pin 24 is 4.5V (in the state peak limiter works). Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. MITSUBISHI ICs (TV) M52338FP INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL WO21 Offset among channels at white balance 2 Based on the results of white balance 2, measure offset among channels. γ11,γ21 γ1 control In inputting signal Y, compare the voltage difference between pedestal level and the first or second gradation of output signal Y when voltage at pin 22 is 4.5V, voltage at pin 24 is 1.5V and voltage at pin 25 is 1.0V with the difference when voltage at pin 25 is 4.5V. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. γ21,γ22 γ2 control In inputting signal Y, compare the voltage difference between the 9th or 8th gradation and white level of output signal Y when voltage at pin 22 is 4.5V, voltage at pin 24 is 1.5V, and voltage at pin 26 1.0V with the difference when voltage at pin 26 is 4.5V. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. COmin1,COopen1,COmax1 Contrast control 1 In inputting signal Y (0.2VP-P), measure the amplitude of output signal of each channel when voltage at pin 22 is 4.5V and voltage at pin 24 is changed to GND, open, and 4.5V. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. COmaxG1 Contrast control MAX gain 1 In inputting signal Y (0.2VP-P), calculate the ratio of input signal amplitude to output amplitude of each channel when voltage at pins 22 and 24 are 4.5V. M=20log (output amplitude/input amplitude) COmina,COopena,COmaxa Contrast control a In inputting signal Y (0.2VP-P), measure the amplitude of output signal of each channel when pin 22 is grounded and voltage at pin 24 is changed to GND, open, and 4.5V. Also, measure in the same way as above, when pin 7 is connected to GND and the mode is changed to EXT. COmaxa Contrast control MAX gain a In inputting signal Y (0.2VP-P), calculate the ratio of input signal amplitude to output amplitude of each channel when pin 22 is grounded and voltage at pin 24 is 4.5V. M=20log (output amplitude/input amplitude) COminO1 Non-inverted/inverted contrast control offset 1 (contrast=4.5V) Compare values of contrast 1 and a of each channel measured when voltage at pin 24 is 4.5V. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. COmaxO1 Non-inverted/inverted contrast control offset 1 (contrast=GND) Compare values of contrast 1 and a of each channel measured when pin 24 is connected to GND. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. COA1 Non-inverted contrast control offset 1 among channels (contrast=4.5V) Calculate the difference in amplitude of contrast 1 measured when voltage at pins 22 and 24 are 4.5V among channels. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. COB1 Inverted contrast control offset 1 among channels (contrast=4.5V) Calculate the difference in amplitude of contrast a measured when pins 22 is grounded and voltage at pin 24 is 4.5V among channels. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. SCmin1,SCmax1 Sub contrast control In inputting signal Y (0.2VP-P), measure the output amplitude of Rch and Bch when voltage at pin 22 is 4.5V, voltage at pin 240 is 1.0V and voltage at pin 28 or 30 is changed to GND and 4.5V. Also, measure in the same way as above when pin 70 is connected to GND and the mode is changed to EXT. SC1 Sub contrast control variance Based on the results of sub contrast control, calculate the variance. BRmin1,BRopen1,BRmax1 Brightness control In inputting signal Y and FRP1, measure of the output amplitude of each channel when pin.24 is grounded and voltage at pin 23 is changed to GND, open and 4.5V. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. BR1 Brightness control variance Based on the results of brightness control, calculate the variance of each channel. BRmin1 Brightness control offset among channels Calculate the difference in output amplitude of brightness measured when pins 24 .and 23 are grounded among channels. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. BRmax1 Brightness control offset among channels Calculate the difference in output amplitude of brightness measured when pin 24 is grounded and voltage at pin 23 is 4.5V among channels. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. SBmiR1, SBmax1 Sub bias control In inputting signal Y and FRP1, measure output amplitude of Rch and Bch when pin 24 is grounded and voltage at pin 20 or 018 is changed to GND and 4.5V. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. SB1 Sub bias control variance Based on the results of sub bias control, calculate the variance. MITSUBISHI ICs (TV) M52338FP INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL F11 Frequency characteristics 1 In inputting sync+sweep waveform (500mVP-P), measure the cutoff frequency of each channel when pin0 22 is grounded. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. F21 Frequency characteristics 2 In inputting sync+sweep waveform (500mVP-P), measure the cutoff frequency of each channel when voltage at pin 22 is 4.5V. Also, measure in the same way as above when pin 7 is connected to GND and the mode is changed to EXT. CC1 Crosstalk among channels Input sync+1.0MHz (500mVP-P) only to pin 1 and measure the amplitude of output waveform, VR, VG, and VB, at pins and 21 17 , 19 , respectively. Crosstalk is calculated as follows. M=20 log VG or VB [dB] VR CS1 MAIN/EXT crosstalk Input sync+1.0MHz (500mVP-P) only to pin 7 and measure the amplitude of output waveform at pin 21 (VMR). Then, connect pin 7 to GND and measure the output amplitude when the same signal is input (VER). Crosstalk is calculated as follows. M=20 log VG or VB [dB] VR Note 4: When contrast and sub contrast parameters are measured, input signal is set to 0.2VP-P because a limiter may work when normal input signal is input. MITSUBISHI ICs (TV) M52338FP X * ** INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL INPUT/OUTPUT SIGNAL 0.7VP-P R, G, B input 4.5V HD pulse input 2.5µsec FRP1,FRP2 (Video signal inverted pulse) (Counter inverted pulse) 6.5µsec GND 4.5V GND Frequency characteristics monitor wavefor (sweep) 0.7VP-P RGB standard output wavefor (VCC1=VCC2=4.5V,VEE=-7.5V) 0.75V 0.5V GND -1.75V +5.0VP-P -3.65V -4.25V COMMON output -1.5V P1 P3 22n CLAMP B SW HD IN CP CONT VCC2 VEE FRP 2 COMMON GAIN CONT COMMON OUT BIAS CONT GND 28 27 26 25 24 P8 SUB CONT R EXT R γ-2 γ-1 CONTRAST 21 P10 P11 P12 20 19 200P 200P 150 50k 18 150 P19 B OUT 22 50k SUB BIAS B 23 P21 G OUT 200P 50k 150 50k SUB BIAS R 1.0µ 50k R OUT 1.0µ 50k FRP 1 BRIGHT 29 EXT G P22 50k MAIN B 30 SUB CONT B 1.0µ 50k 50k 50k CLAMP G 31 EXT B P29 0.1µ MAIN G 32 VCC1 50k 1.0µ CLAMP R M52338FP MAIN R P31 0.1µ 1.0µ 0.1µ 1.0µ MITSUBISHI ICs (TV) M52338FP INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL TEST CIRCUIT P17 P27 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 P5 P14 Unit Resistance : Ω Capacitance : F CLAMP G MAIN B CLAMP B SW HD IN CP CONT VCC2 VEE FRP 2 COMMON GAIN CONT COMMON OUT BIAS CONT GND 29 28 27 26 25 24 EXT B SUB CONT B EXT G SUB CONT R EXT R γ-2 γ-1 CONTRAST 20 M52338FP 19 150 150 18 150 50k B OUT 21 SUB BIAS B 22 50k G OUT 1.0µ 23 SUB BIAS R 1.0µ 50k R OUT 1.0µ 50k FRP 1 BRIGHT 30 50k 50k MAIN G 31 50k 50k 50k CLAMP R 32 VCC1 50k 0.1µ 1.0µ MAIN R 50k 0.1µ 1.0µ 0.1µ 1.0µ MITSUBISHI ICs (TV) M52338FP INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL APPLICATION EXAMPLE 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Unit Resistance : Ω Capacitance : F MITSUBISHI ICs (TV) M52338FP INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL DESCRIPTION OF PIN Pin No. 1 Name Peripheral circuit pins 10 MAIN IN R (Main signal input Rch) Pin No. 1 3 5 Peripheral circuit pins VCC2 (Power supply) Vcc1 11 3 Name VEE (Grounded or - Power supply) MAIN IN G 12 VCC1 (Main signal input Gch) 12 CLAMP R 4 CLAMP G 6 CLAMP B (FRP2 input) 2 4 6 VCC1 22.5k 1k (Clamped capacitance R) FRP2 1k 2 22.5k 20k CP 5k GND VEE CP (Clamped capacitance B) 13 VCC1 3k 3k 20k 13 5k 10k VCC1 5k GND 0.2mA 0.2mA (Clamped capacitance G) 6.2k (Main signal input Bch) GND 22.5k 5 MAIN IN B 0.2mA VCC2 COMMON GAIN CONT. 20k 42.5k 35k GND 25k 0.05mA (MAIN/EXT SW) 15k 15k SW 7 20k (Commom gain control) GND 14 VCC2 1.0mA 7 22.5k 22.5k 0.03mA 8 VCC1 14 COMMON OUT (Commom output) V 0.25mA HD IN 8 (HD pulse input) 22.5k VEE GND 15 16.8k BIAS CONT. (Bias control) 0.2mA GND 0.05mA GND 16 GND (Grounding) 4k (Clamp pulse control) 25.8k CP CONT. 28k 9 15 0.6mA 20k 9 17k VCC1 20k VCC1 MITSUBISHI ICs (TV) M52338FP INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL DESCRIPTION OF PIN (cont.) CONTRAST 24 28 (Gch output) V 30 (Sub contrast control B) VCC1 19.6k 20k 20k (Sub bias control R) 0.1mA 0.1mA 20k 0.05mA (Sub bias control B) γ1 CONT. (γ1control) 9.9k 9.9k 20k SUB BIAS B GND GND 22 26 Vcc1 39k 12k FRP 1 26 GND γ2 CONT. (γ2control) 0.1mA (FRP 1 input) 40k 40k 30k 40k VCC1 15k 22 GND 27 EXT IN R (EXT signal input Rch) 23 27 29 31 Vcc1 22.5k EXT IN G 29 (EXT signal input Gch) BRIGHT (Bright control) (EXT signal input Bch) 0.1mA 0.1mA GND 0.1mA 31 EXT IN B VCC1 32 (Power supply) 20k 10k 17k 23 GND 0.2mA 28k 22.5k Vcc1 CP 55k 10k 25 SUB BIAS R 25 20 GND 18 20 VCC1 18 SUB CONTRAST B 36k (Bch output) VEE (Sub contrast control R) 10k B OUT SUB CONTRAST R V 0.6mA 21 0.2mA 8k G OUT 3k 19 28 30 VCC1 3k (Contrast control) 1.2k 24 Peripheral circuit pins 1.2k 17 19 21 VCC2 Name 40k (Rch output) Pin No. 10k R OUT Peripheral circuit pins 0.5mA 17 Name 10k Pin No.