M52338FP

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) MAIN IN R CLAMP R MAIN IN G CLAMP G MAIN IN B CLAMP B MAIN/EXT SW HD IN CP CONT. 1 2 3 4 5 6 7 8 9 32 VCC1 31 EXT IN R 30 SUB CONTRAST B 29 EXT IN G 28 SUB CONTRAST R 27 EXT IN R 26 25 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. M52338FP γ2 γ1 24 CONTRAST 23 BRIGHT 22 FRP1 IN 21 R OUT 20 SUB BIAS R 19 G OUT 18 SUB BIAS B 17 B OUT VCC2 10 APPLICATION Active matrix liquid crystal color television VEE 11 FRP2 IN 12 COMMON GAIN CONT. 13 COMMON OUT 14 BIAS CONT. 15 GND 16 RECOMMENDED OPERATING CONDITION Supply voltage VCC1 VCC2 VEE Operating supply voltage 4.0 to 5.5V -7.0 to 8.5V Recommended supply voltage 4.5V -7.5V GND=0V,VCC1=VCC2 Outline 32P2U-B BLOCK DIAGRAM SUB SUB SUB BIAS CONTRAST CONTRAST CLAMP G B R CLAMP B R BRIGHT CLAMP R 28 30 23 2 4 6 20 SUB BIAS B 18 SW 7 γ1 25 γ2 26 MAIN IN R MAIN IN G MAIN IN B EXT IN R EXT IN G EXT IN B 1 3 5 27 29 31 CP γ-AMP MAIN EXT CONTRAST BRIGHT CLAMP SUB BIAS DRIVE BU...