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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
* 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
2 1
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
1
25
2
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
-AMP
MAIN EXT
CONTRAST
BRIGHT CLAMP
SUB BIAS
DRIVE BUFFER PEAK LIMITER
21 R OUT
CP CP CP CP CP DRIVE BUFFER PEAK LIMITER
-AMP
SW
CONTRAST
BRIGHT CLAMP
SUB BIAS
19 G OUT
-AMP
CP
CONTRAST
BRIGHT CLAMP
SUB BIAS
DRIVE BUFFER PEAK LIMITER
17 B OUT
HO IN FRP2 IN
8 12
CP COMMON INV
13 14 COMMON OUT
FRP1
15
BIAS CONT.
CLAMP
9 CP CONT.
24 CONTRAST
32 VCC1
16 GND
22 FRP1 IN
10 VCC2
11 VEE
COMMON GAIN CONT.
MITSUBISHI ICs (TV)
M52338FP
INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL
ABSOLUTE MAXIMUM RATINGS (Ta= 25C unless otherwise noted)
Symbol VCC1 VCC2 VEE Pd Topr Tstg Vmax Parameter Supply voltage 1 Supply voltage 2 Supply voltage 3 Power dissipation Operating temperature Storage temperature Electrostatic discharge Ratings 5.0 5.5 -8.5 580 - 20 to +70 - 55 to +150 200 Unit V V V mW C C V
ELECTRICAL CHARACTERISTICS
(VCC1 = VCC2 =4.5V, VEE = 7.5V, Ta = 25C ,HD pulse must be input, unless otherwise noted) Symbol ICC1 ICC2 comin 1 cominT1 comax1 Parameter Circuit current 1 Test conditions Test Input Input Note point point SG P7 Pg P13 P15P18 P20P23P24 P25P26P28 P30 (FRP1)
P32
4.5
Min.
P10 Circuit current 2 Minimum common output 1 P14 P12 FRP2
1.0 -1.65 8.0 -1.65 1.1 1.1
1.0V 4.5V 4.5V
Limits Typ. 36 26 1.2 -1.45 8.8 -1.45 1.35 1.35 3.0 0.0
Max. 45 30 2.0 -1.25 9.5 -1.25
Unit mA mA VP-P V VP-P V V /sec V /sec
Minimum common center voltage level 1
P14
P12 FRP2
4.5 GND GND
Maximum common output 1 P14 P12 FRP2
P14 P14 P14 P17 P19 P21 P12 FRP2 P12 FRP2 P12 FRP2 P1 P3 P5
Maximum common center comaxT1 voltage level 1 cothH1 cothL1 MA1 MOA1 MB1 MOB1 M1 P11 PO11 P21 PO21 S1 SO1 A1 OA1 Common through rate 1 (rising) Common through rate 1 (falling) Maximum input level A1 Offset 1 among channels at maximum input level A Maximum input level B1 Offset 1 among channels at maximum input level B Maximum input level difference 1 Pedestal voltage level 11 Offset 1 among channels at pedestal voltage level 1 Pedestal voltage level 21 Offset 1 among channels at pedestal voltage level 2 Center output voltage level 1 Offset 1 among channels at center output voltage level Output amplitude A1 Offset 1 among channels at output amplitude A
GND
GND
Y
4.5V
2.7
3.3 200 3.3 200 300 -3.90 300 1.10 300 -1.60 150 3.4 200
VP-P mV VP-P mV mVP-P V mV V mV V mV VP-P mV
P17 P19 P21
P1 P3 P5
Y
1.0V 4.5V 4.5V
GND
2.7
3.0 0.0
GND 4.5V
P17 P19 P21 P1 P3 P5
0.0 -4.90 -4.25 0.0
Y
G N D 4.5V 4.5V
4.5V
P17 P19 P21
P1 P3 P5
Y
G N D 4.5V 4.5V
GND
0.10
0.75 0.0
-2.40
-1.75 0.0
P17 P19 P21
P1 P3 P5
Y
1.5V 4.5V 4.5V
4.5V
2.5
2.9 0.0
MITSUBISHI ICs (TV)
M52338FP
INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL
ELECTRICAL CHARACTERISTICS (cont.)
Symbol B1 OB1 L1 W11 WO11 W21 WO21 11 12 21 22 COmin1 COopen1 COmax1 Parameter Output amplitude B1 Offset 1 among channels at output amplitude B Linearity 1 White balance 1 Offset 1 among channels at white balance 1 White balance 2 Offset 1 among channels at white balance 2 1 control 1 1 control 2 2 control 1 2 control 2 Contrast control 1 (contrast=GND) Contrast control 1 (contrast=open) Contrast control 1 (contrast=4.5V) Contrast control a (contrast=GND) Contrast control a (contrast=open) Contrast control a (contrast=4.5V) Contrast control Max gain a
P17 P19 P21 P17 P19 P21 P17 P19 P21 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 P1 P3 P5 P1 P3 P5 P1 P3 P5 P17 P19 P21 P1 P3 P5 P17 P19 P21 P1 P3 P5
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
Min. 8.5
Limits Typ. 2.9 0.0
Max. 3.4 200 100 0.7 100 -3.55 100 10.5 7.5 4.0 5.0 30 1.60 2.8 24 30 1.60 2.8 24 0.3 25 0.3 0.3 4.4
Unit VP-P mV VP-P mV V V mV dB dB dB dB mVP-P VP-P VP-P dB mVP-P VP-P VP-P dB dB mV dB dB VP-P
GND 4.5V Y
4.5V 4.5V 4.5V
-100 0.3
0.0 0.5 0.0
4.5V
Y
4.5V 4.5V 4.5V
GND
-3.85
-3.65 0.0
Y Y Y Y Y Y Y
1.5V 1.0V 4.5V
4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V
7.5 5.0 2.0 3.0
9.0 6.5 3.0 4.0 0.0
1.5V 1.0V 4.5V
1.5V 4.5V 1.0V
1.5V 4.5V 1.0V
GND4.5V 4.5V
4.5V 4.5V
1.00 2.0 20
1.30 2.5 22 0.0
4.5V 4.5V 4.5V
COmaxG1 Contrast control Max gain 1 COmina COopena COmaxa COmaxa Y Y Y
GND4.5V 4.5V
GND GND GND GND GND 4.5V GND 4.5V 4.5V GND 1.00 2.0 20 -0.3 -25 -0.3 -0.3 3.8
4.5V 4.5V
1.30 2.5 22 0.0 0.0 0.0 0.0 4.1
4.5V 4.5V 4.5V
Non-inverted/inverted contrast COminO1 control offset 1 (contrast=4.5V)
COmaxO1 control offset 1 (contrast=GND) COA1 COB1 SCmin 1
Non-inverted contrast control offset 1 among channels (contrast=4.5V) Inverted contrast control offset 1 among channels (contrast=4.5V)
Non-inverted/inverted contrast
Sub contrast control 1 (sub contrast=GND)
P17 P21
P1 P5
Y
GND ....... 1.0V 4.5V 4.5V ....... GND
4.5V
MITSUBISHI ICs (TV)
M52338FP
INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL
ELECTRICAL CHARACTERISTICS (cont.)
Symbol SCmax1 SC1 BRmin1 BRopen1 BRmax1 BR1 BRmin1 BRmax1 SBmiR1 SBmax1 SB1 Parameter Sub contrast control 1 (sub contrast=4.5V) Sub contrast control variance 1 Brightness control 1 (bright=GND) Brightness control 1 (bright=open) Brightness control 1 (bright=4.5V) Brightness control variance 1
Brightness control offset 1 among channels (bright=GND) Brightness control offset 1 among channels (bright=4.5V) P17 P19 P21 P17 P19 P21 P17 P19 P21 P1 P3 P5 P1 P3 P5 P1 P3 P5
Note Test conditions Test Input Input point point SG P7 Pg P13P15 P18P20P23 P24P25P26 P28P30 (FRP1) P17 P1 4.5V ....... Y
1.0V 4.5V 4.5V ....... 4.5V
Min. 1.45 2.10
Limits Typ. 1.75 2.45 -8.1 -4.8 3.6 11.5 0.0 0.0 -7.00 -2.70 4.3 5.5 5.0
Max. 1.95 2.80 -7.5 -4.2 3.9 12.5 300 300 -6.30 -2.15 4.8
Unit VP-P V VP-P VP-P VP-P V mVP-P mVP-P VP-P VP-P V MHz MHz
4.5V
P21
P5
Y Y Y
GND GND4.5V 4.5V
IN IN IN
-8.7 -5.5 3.3 10.5 0.0 0.0
GND4.5V 4.5V
4.5V GND4.5V 4.5V
Sub bias control 1 (sub bias=GND) Sub bias control 1 (sub bias=4.5V)
P17 P21 P17 P21
P1
Y
P5 P1
GND ....... GND4.5V 4.5V ....... GND 4.5V ....... ....... 4.5V GND4.5V 4.5V
IN IN
-7.25 -3.05 3.6
Y
P5
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.
Sub bias control variance 1 P17 Main frequency P19 characteristics 11
-45 -45
dB dB
TYPICAL CHARACTERISTICS
THERMAL DERATING (MAXIMAM RATING) 1200 POWER DISSIPATION Pd(mW) 1000 800782 600 400391 200 0 -20 0 25 50
70
75
100
125
AMBIENT TEMPERATURE Ta (C)
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
.
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 Offset among channels at center output voltage level Based on the result of center output voltage level, measure offset among channels. 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.
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.
SO1
A1
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 21 0 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.
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.
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. 11,21 1 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. 21,22 2 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. 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. 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.
COB1
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 7 0 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 0 is changed to GND and 4.5V. Also, measure in the same 18 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.
COmaxO1
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
17
amplitude of output waveform, VR, VG, and VB, at pins and
21
, 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 * ACTIVE MATRIX LIQUID CRYSTAL PANEL INTERFACE IC FOR **
INPUT/OUTPUT SIGNAL
0.7VP-P R, G, B input
4.5V HD pulse input
2.5sec
FRP1,FRP2 (Video signal inverted pulse) (Counter inverted pulse)
6.5sec
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
TEST CIRCUIT
32
1
P1 1.0 1.0 P31 31 2 0.1 30 3 P3 1.0 P29 29 0.1 28 5 50k P5 1.0 27 P27 0.1 26 50k 7 25 8 HD IN 50k SW CLAMP B EXT R 1.0 6 MAIN B SUB CONT R CLAMP G EXT G 1.0 4 MAIN G SUB CONT B 50k CLAMP R EXT B MAIN R
VCC1
-2 -1
24 50k CONTRAST 23 BRIGHT 22 FRP 1 21 R OUT SUB BIAS R G OUT SUB BIAS B B OUT
M52338FP
INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL
P8 9 50k VCC2 VEE FRP 2 COMMON GAIN CONT COMMON OUT BIAS CONT GND 10 CP CONT 50k 11 150 200P 20 12 13 50k 50k 14 150 19 200P 18 22n 15 50k 16 50k 150 17 200P
P10
P11
P22 P21
P12
P19
P14
MITSUBISHI ICs (TV)
M52338FP
P17
Unit Resistance : Capacitance : F
32
1
1.0 1.0 31 2 0.1 30 50k 3 1.0 29 0.1 28 50k 5 1.0 27 0.1 26 50k 7 25 50k 8 24 50k 9 CP CONT VCC2 23 BRIGHT 22 FRP 1 21 R OUT SUB BIAS R G OUT SUB BIAS B B OUT VEE FRP 2 COMMON GAIN CONT COMMON OUT BIAS CONT GND CONTRAST HD IN SW CLAMP B EXT R 1.0 6 MAIN B SUB CONT R CLAMP G EXT G 1.0 4 MAIN G SUB CONT B CLAMP R EXT B
APPLICATION EXAMPLE
MAIN R
VCC1
-2 -1
M52338FP
50k 10 11 12 13 20
50k 150 50k
50k 14 15
150 19 18
50k
50k 16
MITSUBISHI ICs (TV)
M52338FP
INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL
150 17
Unit Resistance : Capacitance : F
MITSUBISHI ICs (TV)
M52338FP
INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL
DESCRIPTION OF PIN
Pin No. Name MAIN IN R
(Main signal input Rch) Vcc1 11
Peripheral circuit pins
135
Pin No.
10
Name VCC2
(Power supply)
Peripheral circuit pins
1
VEE
(Grounded or - Power supply)
3
MAIN IN G
(Main signal input Gch)
12
VCC1 VCC2 0.2mA 20k 22.5k 22.5k 1k 1k 20k
14 13
CP
5
MAIN IN B
(Main signal input Bch)
GND
12 2
FRP2
(FRP2 input)
CLAMP R
(Clamped capacitance R)
VCC1
246
4
CLAMP G
(Clamped capacitance G)
5k GND VEE 0.2mA 0.2mA CP
6
CLAMP B
(Clamped capacitance B)
GND
VCC1 10k VCC1 20k
13
COMMON GAIN CONT.
(Commom gain control)
3k
3k
7
(MAIN/EXT SW)
15k
15k
20k
GND
GND
0.05mA
25k
VCC2 1.0mA
7
VCC1
8
0.03mA
22.5k
22.5k
14
COMMON OUT
(Commom output) V
8
(HD pulse input) VEE
GND
22.5k
15
VCC1
9
VCC1
20k
17k
15
BIAS CONT.
(Bias control)
25.8k
9
(Clamp pulse control)
GND 0.05mA 0.2mA 28k
GND
16
GND
(Grounding)
0.6mA
CP CONT.
4k
16.8k
20k
0.25mA
HD IN
35k
SW
42.5k
6.2k
5k
5k
22.5k
MITSUBISHI ICs (TV)
M52338FP
INTERFACE IC FOR ACTIVE MATRIX LIQUID CRYSTAL PANEL
DESCRIPTION OF PIN (cont.)
Pin No. Name R OUT
(Rch output)
Peripheral circuit pins
Pin No.
Name CONTRAST
(Contrast control)
Peripheral circuit pins
24 28 30
17
VCC2 0.5mA
17 19 21
24
VCC1
0.2mA 10k 10k
25 26
19
G OUT
(Gch output) V V 28
SUB CONTRAST R
(Sub contrast control R)
0.6mA
1.2k
1.2k
10k
21
(Bch output)
VEE
30
(Sub contrast control B)
GND
VCC1 20k
18
18 20
25
1 CONT.
(1control)
9.9k
0.05mA
0.1mA
0.1mA
20k
20
(Sub bias control B) GND
20k
GND
22 Vcc1
VCC1 30k 40k 40k 12k 39k
22
FRP 1
(FRP 1 input)
26
2 CONT.
(2control)
0.1mA
15k
GND
GND
27 23 Vcc1
EXT IN R
(EXT signal input Rch) 27 29 31 Vcc1
22.5k
22.5k
28k
EXT IN G
29 (EXT signal input Gch)
31
EXT IN B
(EXT signal input Bch)
GND
0.1mA
GND
0.1mA
0.1mA
17k
VCC1
32 (Power supply)
20k
23
(Bright control)
10k
0.2mA
BRIGHT
40k
40k
SUB BIAS B
9.9k
19.6k
(Sub bias control R)
20k
36k
SUB BIAS R
VCC1
CP
10k
B OUT
SUB CONTRAST B
3k
3k
55k
8k

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