M52338FP Datasheet, PDF (1/12 Pages) Mitsubishi Electric Semiconductor – INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL

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.
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
Active matrix liquid crystal color television
RECOMMENDED OPERATING CONDITION
Supply voltage
GND=0V,VCC1=VCC2
VCC1
VCC2
VEE
Operating Recommended
supply voltage supply voltage
4.0 to 5.5V
4.5V
-7.0 to 8.5V
-7.5V
PIN CONFIGURATION (TOP VIEW)
MAIN IN R 1
CLAMP R 2
MAIN IN G 3
CLAMP G 4
MAIN IN B 5
CLAMP B 6
MAIN/EXT SW 7
HD IN 8
CP CONT. 9
VCC2 10
VEE 11
FRP2 IN 12
COMMON GAIN CONT. 13
COMMON OUT 14
BIAS CONT. 15
GND 16
32 VCC1
31 EXT IN R
30 SUB CONTRAST B
29 EXT IN G
28 SUB CONTRAST R
27 EXT IN R
26 γ²
25 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
Outline 32P2U-B
BLOCK DIAGRAM
SW
7
γ¹ γ²
25 26
SUB
SUB
SUB
CONTRAST CONTRAST
CLAMP G
BIAS
R
B _{BRIGHT CLAMP R}
CLAMP B ^R
28
30 23
2
46
20
SUB
BIAS
B
18
MAIN IN R 1 _CP
MAIN IN G 3 CP
MAIN IN B 5 CP
EXT IN R 27 CP
EXT IN G 29 _CP
EXT IN B 31 _CP
MAIN
EXT
SW
γ-AMP
γ-AMP
γ-AMP
CONTRAST
CONTRAST
CONTRAST
HO IN 8
FRP2 IN 12
CP
COMMON
INV
CP
CLAMP
13 14
COMMON GAIN COMMON
CONT.
OUT
9
CP
CONT.
24
32
CONTRAST VCC1
BRIGHT
CLAMP
BRIGHT
CLAMP
BRIGHT
CLAMP
16
GND
SUB BIAS
SUB BIAS
DRIVE BUFFER _{21 R OUT}
PEAK LIMITER
DRIVE BUFFER
PEAK LIMITER
19 G OUT
SUB BIAS
FRP1
DRIVE BUFFER _{17 B OUT}
PEAK LIMITER
BIAS
15 _CONT.
22
10
11
FRP1 IN VCC2
VEE