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PDF M52775 Data sheet ( Hoja de datos )

Número de pieza M52775
Descripción VIF/ SIF/ VIDEO/ CHROMA/ DEFLECTION FOR NTSC
Fabricantes Mitsubishi 
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MITSUBISHI ICs (TV)
M52775FP
VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR NTSC
DESCRIPTION
The M52775FP is desinged to provide a solution to NTSC color
television system. It is an I2C bus controlled NTSC 1 chip. It consists
of various processing blocks such as video IF, sound IF, luminance,
chrominance, mono-sound, OSD display, interface, H and V
deflection. At each block, I2C control is possible and a total of 30
parameters can be controlled by I2C bus.
FEATURES
AFT coil-less
FM det coil-less
Dynamic AGC
AV switch (TV/EXT video)
Y/C switch
Built-in black stretch circuit
Delay line aperture control
Luminance peak limiter
Two window vertical countdown
Built-in chroma BPF and Trap
Built-in Y Delay line
Built-in ACC/Killer filters
APPLICATION
NTSC type color TV, projecter
RECOMMENDED OPERATING CONDITION
Recommended supply voltage.....................V3, 4, 21, 22, 23=4.75V
V5, 15, 16=8.0V
Supply voltage range........................V3, 4, 21, 22, 23=4.50 to 5.00V
V5, 15, 16 =7.6 to 8.8V
Maximum output current.............................................3.0mA (pin14)
4.0mA (pin13)
8.0mA (RGB output current)
3.0mA (AUDIO OUT output current)
PIN CONFIGURATION (TOP VIEW)
AUDIO SW OUT 49
AUDIO IN 50
AUDIO OUT 51
FM DIRECT OUT 52
EXT AUDIO IN 53
VCO 54
VCO 55
VIDEO APC FILTER 56
VIDEO OUT 57
AFT OUT 58
RF AGC OUT 59
IF AGC FILTER 60
IF GND1 61
IF GND2 62
IF GND3 63
IF IN 64
1
M52775FP
Outline 64P6N-A
32 X-TAL 3.58
31 AUDIO BYPASS
30 FAST BLK
29 BLACK PEAK HOLD
28 R IN
27 AFC 2 FILTER
26 G IN
25 CONTRAST CONT
24 B IN
23 VCD VCC3
22 VCD VCC2
21 VCD VCC1
20 B OUT
19 G OUT
18 R OUT
17 GND

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M52775 pdf
MITSUBISHI ICs (TV)
M52775FP
VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR NTSC
ELECTRICAL CHARACTERISTICS (cont.)
Symbol
Parameter
Input signal SW S S S
12 60 45
Input SG
PIN
PPPPPPP
49 51 52 57 58 59 60
AMR
AFSN
GEAu
AMR
AF S/N
EXT audio GAIN
SW
47 SG20
PIN
SW
47 SG17
PIN
SW
53 SG22
PIN M
M
M
ELECTRICAL CHARACTERISTICS
chroma block (C0 to C13:input SGS at pin41 IN)
Symbol
Parameter
Input signal SW S S S
12 60 45
Input SG
PIN
PPPP
12 18 19 20
Cn1
Cn2
ACC1
ACC2
OV
VikP
killP
APC1
R/BP
θR-Y
P
CC
TC1
TC2
Default conditions
of chroma
SW 1 1 1
−−
PIN
Output signal
amplitude 1
SW
36 SS
PIN
M
Output signal
amplitude 2
SW
36 SS
PIN
M
ACC 1
36 VS SW
v=+6dB PIN
M
ACC 2
36 VS SW
v=-20dB PIN
M
36 VS SW
Chroma overload
eb=800mV PIN
M
Threshold color
killer on
36 VS SW
v=variable PIN
M
Residual color
leakage at killer on
36 VS SW
v=-45dB PIN
M
APC Pull-in
range 1
36 VS SW
f=variable PIN
M
Ratio of
(R-Y/B-Y)
36 VS SW
eb=monochroma PIN
MM
Demoduration
phase θR-Y
36 VS SW
eb=monochroma PIN
MM
Residual carrier
leakage
SW
36 SS
PIN
M
Tint control 1
36 VS SW
eb=monochroma PIN
M
Tint control 2
36 VS SW
eb=monochroma PIN
M
Test conditions
Sub address function
00H 01H 03H 04H
DL
A
VC
OA
AV
S
W
ATT
DEF-
EAT
40H
1
VCC
Limits
Unit Note
P
3
4
P
9
P
15
16
P
21
22
23
Min.
Typ.
Max.
45 50 dB
49 58 dB
-2.0 0.0 2.0 dB
Test conditions
Sub address function
VCC
Limits
06H 07H
DL
TA
TV/
EX
T
AU
TO
TINT
09H
05 08 0
H H BH P
H
P
CO
NT
CO
L
V
mu
te
3
4
P
5
P
15
16
P
21
22
23
Min.
Typ.
Max.
Unit Note
02H 40H 40H 40H 40H 64H
−−−
200
64
0
8
64
64
100
4.75
V
8V
8V
4.75
V
2000 2800 3600 mVP-P
1900 2700 3500 mVP-P
1 4 6 dB
-3 0 3 dB
-1 2 5 dB
-41 -30 dB
7FH
127
00H
0
0 40 150 mVP-P
+300 +800
-300 -1100
Hz
f=eb
=ec
0.60 0.81 1.00
ec=
eb+
100kHz
ec=
80 95 110 deg eb+
100kHz
0 60 120 mVP-P
30 44 60 deg
30 46 60 deg
5

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M52775 arduino
MITSUBISHI ICs (TV)
M52775FP
VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR NTSC
ELECTRICAL CHARACTERISTICS TEST METHOD
P/N Video S/N
1. Input SG3 and measure the rms value of output signal at pin 57.
2. P/N is defined as follows:
P/N=20log V0NEG measured value (VP-P) ×103×0.7
Measured value (mVrms)
(dB)
Vf Video frequency characteristics
1. Input SG4 and set the frequency f2 to 44.75MHz so that the beat
element of 1MHz is output to pin 57.
2. Then set the applied voltage at pin 60 so that the beat element of
1MHz at pin 57 may be 100dBµ.
3. Decrease f2 to the level at which the beat element becomes 3dB
smaller than the element of 1MHz, and read the value at that
level.
P57 100dBµ
3dB
IM Intermodulation
1. Adjust the applied voltage at pin 60 so that the lowest output
signal voltage at pin 57 is 2.2V.
P57
2.2V
2. Measure elements of 0.92MHz and 3.579545MHz of output at
pin 57.
3. IM is defined as follows:
IM=20log
Element of 0.92MHz
Element of 3.579545MHz
(dB)
ATT Maximum attenuation
1. Measure the element of 400Hz of output at pin 51.
2. ATT=20log
V0AFmax
Measured value
(dB)
1MHz
BW
Vin min. Input sensitivity
1. Decrease SG5 level until the video detector output is 3dB
smaller then the measured value of Parameter V3 “Video
detector output”.
Vin max. Maximum permissible input
1. Input 90dBµ SG6.
2. VA is the output level at pin 57. Increase SG6 voltage until the
output at pin 57 becomes 3dB smaller than VA. The input levell at
that time is the maximum permissible input.
µAFTN AFT detector sensitivity
V58H Maximum AFT voltage, V58L Minimum AFT voltage
See the following figure.
P1
5.0V
V1HN
f
3.0V
44.75Mz
f0
µAFTN is defined as follows:
µAFTN=
(5.0-3.0)×103mV (mV/kHz)
f kHz
V1LN
46.75MHz
f
LIM Input limiting sensitivity
Decrease the input level of SG18. Measure the input level when the
element of 400Hz at pin 52 is 3dB smaller than V0AFM (S6:
Maximum AF output (6.0M)).
AMR
1. Vam is the element of 400Hz at pin 52.
2. AMR is defined as follows:
AMR=20log
V0AF (mVrms)
Vam (mVrms)
(dB)
AF S/N
1. Measure the noise (20Hz to 100kHz) of output at pin 52.
2. AF S/N is defined as follows:
AF S/N=20log
V0AFmax
(dB)
Measured value
GEAu EXT Audio GAIN
Input SG22 at pin 53, and measure the output VP-P at pin 49.
GAIN=20log
Input signal VP-P
Output signal VP-P (pin49)
(dB)
Cn1 Output signal amplitude 1
Cn2 Output signal amplitude 2
1. Input SS from pin 36 IN.
2. Measure output amplitude, Cn1 and Cn2, at pins 18 and 20
respectively.
11

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