COLOR TFT SIGNAL PROCESSOR
s PACKAGE OUTLINE
s FEATURES
q NTSC/PAL matching (Resemblance PAL de-modulation system) q Internal Y/C separate circuit
q Input mode: Composite video signal, Y/C separate signal, External RGB signal q Internal synchronous separate circuit (Liquid crystal panel PLL use) q Internal black level insertion circuit (Use for aspect ratio change) q Internal Gamma 2-point correction circuit q Bipolar technology
q Package Outline QFP48-R2
s BLOCK DIAGRAM
NJM2527FR2
s GENERAL DESCRIPTION The NJM2527 is a color TFT signal processor.
It contains all function, like as Y/C separator circuit, color signal de-modulator, synchronous separate circuit, RGB interface, and sideblack control circuit, required by color TFT signal processing. The NJM2527 keeps selecting NTSC/PAL with external VCXO circuit TRAP circuit for each broadcasting.
s PIN CONFIGURATION 1 . GDET 2 . GOUT 3 . BDET 4 . BOUT 5 . FRP 6 . GND1 7 . SW
8 . YCLAMP 9 . HSYIN 10.SYNCOUT 11.SYNCIN 12.REGOUT 13.CIN
14.ACCDET 15.FADJ 16.KILLER 17.CLEANING 18.IDENT 19.TINT 20.COLOR 21.PALPHASE 22.VCXOIN(NTSC) 23.VCXOOUT(NTSC) 24.APC
25.VCXOIN(PAL) 26.VCXOOUT(PAL)27.PICTURE 28.VIDEOIN 29.TRAP 30.VCC1
31.CONTRAST 32.GACLAMPB 33. EXTINB
34. GACLAMPG 35. EXTING 36. GACLAMPR 37.EXTINR 38. VG1 39. VG2
40. SUBVG1R 41. SUBVG1B 42. SUBVG2R 43. SUBVG2B 44. SIDEBLACK 45. BRIGHT 46.VCC2 47. RDET 48. ROUT
REGOUT I D E N T
A C C D E T
C O L O R
A P C
C L E A N I N G
V C X O I N (N T S C )
V C X O O U T (N T S C )
VCXOIN(PAL)
VCXOOUT(PAL)VIDEOIN TRAP
F A D J
PICTURE
X T I N R
EXTING EXTINB T I N T
CONTRAST
SW
GACLAMPB
GACLAMPG
GACLAMPR
B V G 2B
B V G 1B
B V G 2R
B V G 1R
V G 2
V G 1
D E B L A C K
FRP C C 2
HSYIN
SYNCIN GND1O U T
D E T
GOUT GDET BOUT BDET
K I L L E R
YCLAMP R I G H T
P A L P H A S E
C I N
VCC1
s ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
UNIT
RATINGS
PARAMETERS SYMBOL
Supply Voltage 1 V CC1 - GND 10.0 V
Supply Voltage 2 V CC2 - GND 10.0 V
W
Power Dissipation P D 1000*
Each Adjustment Terminal V IN V CC1 V
Sync Out Voltage V SD 10.0 V
V P-P
Video Input Voltage V VDIN 3.0
External Input Voltage EXT IN V CC1 V
Analog RGB Input Signal RGB IN V CC1 V
FRP Input Signal Voltage FRP IN V CC1 V
SYNC Input Voltage SYNC IN 3.0 V P-P
Operating Temperature Range Topr -40 to +85 °C
Storage Temperature Range Tstr -40 to +150 °C
*Test Board(117.0x84.0x0.8mm)mounting
s RECOMMENDED OPERATING CONDITION (Ta=25°C)
TYP.
UNIT
MAX.
CONDITION
PARAMETER SYMBOL
TEST
MIN.
- V CC1 - GND 4.75 5.0 5.25 V
Supply Voltage Range
- V CC2 - GND V CC1 5.0 7.0 V Composite Signal Voltage V IN Pedestal-White 0.6 0.7 0.8 V P-P
Y Input Signal Voltage Y IN Pedestal-White 0.6 0.7 0.8 V P-P
Signal0.2 0.3 0.4 V P-P
C Input Signal Voltage C IN Amplitude
Burst
of
Analog RGB Input Signal RGB IN Pedestal-White 0.6 0.7 0.8 V P-P
C.Sync
0.3 1.0 1.5 V P-P
SYNC Input Signal SYNC IN
Sync Tip-Pedestal
HSY Input Signal HSY IN 2 - 5 V P-P
4.1
V
-
NTSC 1.6
TINT Adjust Voltage TINT
0.3
V
PAL -
Voltage COLOR 0 - 5 V Adjust
Color
BY De-mod. Axis Adjust Voltage PALPHASE 0 - 5 V Adjust
Voltage PICTURE 0 - 5 V Picture
Contrast Adjust Voltage CONTRAST 1.5 - 2.8 V
Gamma 1 Adjust Voltage VG1 1.5 - 3.5 V
Gamma 2 Adjust Voltage VG2 1.5 - 3.8 V
Sub Gamma 1 Adjust Voltage SUBVG1R, B0 - 5 V
Sub Gamma 2 Adjust Voltage SUBVG2R, B0 - 5 V
Bright Adjust Voltage BRIGHT 1.9 - 3.6 V
(Point 1) Investigation Crosstalk level when design for depend to application.
NJM2527
s ELECTRICAL CHARACTERISTICS
(Ta=25°C,V CC1=5V, V CC2=5V,TP20=TP31=TP45=2.5V,
TP19=2.8V,TP7=5V,TP38=1V,TP39=3V,TP44=0V,SW13=SW7=L)
PARAMETER SYMBOL
TEST
CONDITION(TP=IC Pin No.) MIN. TYP. MAX.UNIT
Operating Current 1 I CC1 V CC1, No signal - 45.0 60.0 mA
Operating Current 2 I CC2 V CC2, No signal - 14.5 20.0 mA
G CT1- -12.0 -9.0
Contrast Adjust Gain
Variable Range
G CT2
SG1 applied to TP33, TP35 and TP37.
SG10 applied to TP5, SG11 applied to
TP9, SG2 applied to TP11, define the
each amplitude (BLK-WHT) at
SW7=H, and TP31=0V, 2.5V,
5V as V1, V2 and V3.
Then measure the each output of the
non-inverting
G CT1=20LOG(V1/V2)
G CT2=20LOG(V3/V2)
Measure points are Rout, Gout, Bout.
1.0
2.5 -
dB
Image Quality Adjust
Variable Minimum
Range (Y/C)
G PSMIN1 -
0.0
4.0
Image Quality Adjust
Variable Maximum
Range (Y/C)
G PSMAX1
SG3 (100KHz, 2.0MHz / 70mVp-p)
applied to TP28, SG10 applied to TP5,
SG11 applied to TP9, SG2 applied to
TP11, 1.5V applied to TP38, 3.2V
applied to TP39.measure amplitude on
TP2 of non-inverting. The each gain on
SG3 of sin signal of frequency define as
G(2.0M),G(100K).
G PSMIN1=G (2.0M)-G (100K)
At SW27=H, TP27=0V
G PSMAX1=G (2.0M)-G (100K)
At SW27=H, TP27=5V
10.0 15.0 -
dB
Image Quality Adjust
Variable Minimum
Range (Composite)
G PSMIN2 -
-5.0
-1.0
Image Quality Adjust
Variable Maximum
Range (Composite)
G PSMAX2
SW13=H, TP13(B)=0V,
SG3 (100KHz, 2.0MHz / 70mVp-p)
applied to TP28, SG10 applied to TP5,
SG11 applied to TP9,SG2 applied to
TP11, 1.5V applied to TP38, 3.2V
applied to TP39.measure amplitude on
TP2 of non-inverting.The each gain on
SG3 of sin signal of frequency define as
G(2.0M),G (100K). (typical swing)
G PSMIN2=G (2.0M)-G (100K)
at SW27=H,TP27=0V
G PSMAX1=G (2.0M)-G (100K)
at SW27=H,TP27=5V
6.0 10.0 -
dB
Trap attenuation
(NTSC)
G CF NT -
-45
-30
Trap attenuation
(PAL)
G CF PAL
SW13=H, TP13(B)=0V,TP27=2.5V,SG2
applied to TP11, SG11 applied to TP9,
SG3 (100KHz, 3.579545MHz ,
4.43361875MHz 200mVpp) applied to
TP28.
B1, B2 define output swing of TP2
at TP19=2.8V,SG3 (3.579545MHz),
SG3 (100KHz).B3, B4 define output
swing of TP2 at TP19=0V, SG3
(4.43361875MHz), SG3 (100kHz).
G CF NT=20*LOG (B1/B2)
G CF PAL=20*LOG (B3/B4)
- -45 -30
dB
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NJM2527
s ELECTRICAL CHARACTERISTICS
(Ta=25°C,V CC1=5V, V CC2=5V,TP20=TP31=TP45=2.5V,
TP19=2.8V,TP7=5V,TP38=1V,TP39=3V,TP44=0V,SW13=SW7=L)
PARAMETER SYMBOL
TEST
CONDITION(TP=IC Pin No.) MIN. TYP.
MAX.UNIT
G A1- 0.0 2.0
ACC Characteristic
(NTSC)
G A 2
SG11 applied to TP9, SG2 applied to
TP11, 0.7V applied to TP38,SG6
(3.579545MHz, 300mVpp typical swing)
applied to TP13, Vo1, Vo2 and Vo3
define output swing of TP2 at set SG6
on 0dB, +6dB, -25dB toward 0.3Vpp.
G A1=20LOG(Vo2/Vo1)
G A2=20LOG(Vo3/Vo1)
-15.0 -10.0 -
dB
G A 3- 0.0 2.0
ACC Characteristic
(PAL)
G A 4
SG11 applied to TP9, SG2 applied to
TP11, 0.7V applied to TP38,SG6
(4.43MHz, 300mVpp typical swing)
applied to TP13,TP19=L.Vo1, Vo2 and
Vo3 define output swing of TP2 at set
SG6 on 0dB, +6dB,-25dB toward
0.3Vpp.
G A3=20LOG(Vo2/Vo1)
G A4=20LOG(Vo3/Vo1)
-15.0 -10.0 -
dB
G c1-70 -50 -40
Color Control Gain
Variable Range
G c2
SG11 applied to TP9, SG2 applied to
TP11, 0.7V applied to TP38,SG6
(3.579545MHz,typical Swing 300mVpp)
applied to TP13.
Vo1, Vo2 and Vo3 define output swing
of TP2 at TP20=0V, 2.5V, 5.0V.
G C1=20LOG(Vo1/Vo2)
G C2=20LOG(Vo3/Vo2)
2.0 4.0 -
dB
f A1- -2900 -700
APC Capture Range
(Input Composite
Signal, NTSC)
f A2+700 +1500 -
Hz
f A3 -
-2900
-700 APC Capture Range
(Input Y/C Signal,
NTSC)
f A4
SG11 applied to TP9, SG2 applied to
TP11, SG6 (3.579545MHz,
300mVpp typical swing) applied to
TP13 or TP28. This item is difference
between the input frequency and
3.579545 MHz at work out 2V of TP16
voltage by variable the BURST
frequency.
f A1=when approach BURST
frequency from low frequency.
f A2= when approach BURST
frequency from high frequency
at
SW13=H,TP13(B)=0V,VIDEOIN=SG6
f A3=when approach BURST
frequency from low frequency.
f A4= when approach BURST
frequency from high frequency
at SW13=L,TP13=SG6
+700 +1500 -
Hz
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NJM2527
s ELECTRICAL CHARACTERISTICS
(Ta=25°C,V CC1=5V, V CC2=5V,TP20=TP31=TP45=2.5V,
TP19=2.8V,TP7=5V,TP38=1V,TP39=3V,TP44=0V,SW13=SW7=L)
PARAMETER SYMBOL
TEST
CONDITION(TP=IC Pin No.) MIN. TYP. MAX.UNIT
f A5 -
-2900
-700 APC Capture Range
(Input Composite
Signal, PAL)
f A6 +700
+1500
-
Hz
f A7 -
-2900
-700 APC Capture Range
(Input Y/C Signal, PAL)
f A8
SG11 applied to TP9, SG2 applied to
TP11, TP19=0, SG6 (4.43361875,
300mVpp typical swing) applied to
TP13 or TP28. This item is
Difference between the input
frequency and 4.43361875 MHz at
work out 2V of TP16 voltage by
variable the BURST frequency.
f A5=when approach BURST
frequency from low frequency.
f A6= when approach BURST
frequency from high frequency
at
SW13=H,TP13(B)=0V,VIDEOIN=SG6
f A7=when approach BURST
frequency from low frequency.
f A8= when approach BURST
frequency from high frequency
at SW13=L,TP13=SG6
+700 +1500 -
Hz
Composite→Y/C
Input Switching
Voltage
V TH CY
SG3 (700mVpp, 3.579545MHz)
applied to TP28, SG2 applied to
TP11, SG11 applied to TP9.
SW13=H, TP13 (B) voltage at
change Y/C to composite by raise on
TP13 (B) voltage.
1.3 1.6 1.9 V
Y/C→Composite
Input Switching
Voltage
V TH YC
SG3 (700mVpp, 3.579545MHz)
applied to TP28, SG2 applied to
TP11, SG11 applied to TP9,
SG10 applied to TP5,
SW13=H, TP13 (B) Voltage at
change composite to Y/C by drop on
TP13 (B) voltage.
0.7 1.0 1.3 V
ΘT1 +30 +45 -
TINT Variable Range
ΘT2
SG6 (3.579545MHz, 300mVpp)
applied to TP13, SG2 applied to
TP11, SG11 applied to TP9.
The Θ1 was controlled input phase
so that output swing of TP2
maximum at TP19=1.6V. The each
Θ2 and Θ3 were the controlled input
phase so that output swing of TP2
maximum at TP19=2.8V, 4.0V.
ΘT1=Θ2-Θ1
ΘT2=Θ2-Θ3
- -45 -30
deg
NTSC /PAL
Switching Voltage
V TH NP
SG6 (3.58MHz, 300mVpp) applied to
TP13, SG2 applied to TP11,
SG11 applied to TP9.This item
TP19 voltage at change from NTSC
to PAL at down TP19 voltage.
0.4 0.7 1.0 V
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NJM2527
s ELECTRICAL CHARACTERISTICS
(Ta=25°C,V CC1=5V, V CC2=5V,TP20=TP31=TP45=2.5V,
TP19=2.8V,TP7=5V,TP38=1V,TP39=3V,TP44=0V,SW13=SW7=L)
PARAMETER SYMBOL
TEST
CONDITION(TP=IC Pin No.) MIN. TYP. MAX.UNIT
Color Killer
Operating Input Level
(NTSC)
V KIN1
SG6 (3.58MHz, 300mVpp) applied
to TP13, SG2 applied to TP11,
SG11 applied to TP9.This item
Measure input level at killer is tern
on at decrease the input swing.
- -42 -
Color Killer
Operating Input Level
(PAL)
V KIN2
TP19=0V, SG2 applied to
TP11, SG11 applied to TP9,
SG6 (4.43MHz, 300mVpp) applied
To TP13.This item measure input
level at killer is tern on at decrease
The input swing.
- -37 -
dB
Output Level Voltage
Difference among RGB
?VBRGB -150 0 +150 mV
INT-EXT
Output Black Level
Voltage Difference
?VBIE
SG2 applied to TP11, SG11 applied
to TP9, SW7=H, SG1 (700mVpp)
applied to TP33, TP35,
TP37, SG10 applied to TP5.
Then VRB, VGB, and VBB define
the non-invert black level of TP48,
TP2, TP4. VRBI, VGBI, and VBBI
define the invert black level of them.
?VBRGB=VRB-VGB,VBB-VGB=
VRBl-VGBl,
SW7=L,SG4 applied to TP28. Then
VRB (Y),VGB (Y),
and VBB (Y) defines the
non-inverting black level of TP48,
TP2, and TP4. VRBI (Y),
VGBI(Y), and VBBI (Y) define the
invert black level of them.
VBlE=VRB-VRB (Y), VGB-VGB (Y),
=VBB-VBB (Y),VRBl-VRBl(Y),
=VGBl-VGBl(Y),VBBl-VBBl(Y)
-150 0 +150 mV
Gain Difference
Between Invert
And Non-invert
?GINV -0.6 0 +0.6
Gain Difference
Among RGB
?GRGB -0.6 0 +0.6
INT-EXT
Gain Difference
?GIE
SG2 applied to TP11, SG11
Applied to TP9, SW7=H, SG1
(700mVpp) applied to TP33, TP35,
TP37, SG10 applied TP5.
This item measure the signal swing
(BLK-WHT) of TP48, TP2, TP4.
VRG, VGG, VBG define the non-
inverting side of them. VRGl, VGGl,
VBGl define the invert side of them.
SW7=L, SG4 applied TP28.
This item measure the signal swing
(BLK-WHT) of TP48, TP2, TP4.
VYRG, VYGG, VYBG define the
non-inverting side of them.
?GINV =20LOG(VRGI/VRG)
=20LOG(VGGI/VGG)
=20LOG(VBGI/VBG)
?VRGB =20LOG(VRG/VGG)
=20LOG(VGG/VBG)
=20LOG(VBG/VRG)
?GIE =20LOG(VRG/VYRG)
=20LOG(VGG/VYGG)
=20LOG(VBG/VYBG)
-0.6 0 +0.6
dB
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NJM2527
s ELECTRICAL CHARACTERISTICS
(Ta=25°C,V CC1=5V, V CC2=5V,TP20=TP31=TP45=2.5V,
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NJM2527
s ELECTRICAL CHARACTERISTICS
(Ta=25°C,V CC1=5V, V CC2=5V,TP20=TP31=TP45=2.5V,
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NJM2527
s ELECTRICAL CHARACTERISTICS
(Ta=25°C,V CC1=5V, V CC2=5V,TP20=TP31=TP45=2.5V,
TP19=2.8V,TP7=5V,TP38=1V,TP39=3V,TP44=0V,SW13=SW7=L)
PARAMETER SYMBOL
TEST
CONDITION(TP=IC Pin No.) MIN. TYP. MAX. UNIT
CTERINT
SG2 applied to TP11, SG11 applied to
TP9, SW7=H, TP5=H,
SG5 (1MHz, 700mVpp) applied to
TP37, TP28=GND.
Measure the output of 1MHz
component on TP48. Calculate the
swing ratio of TP7=5V, 0V.
- -50 -35
CTEGINT
SG2 applied to TP11, SG11 applied to
TP9, SW7=H, TP5=H,
SG5 (1MHz, 700mVpp) applied
To TP35, TP28 =GND.
Measure the output of 1MHz
component on TP2.Calculate the
swing ratio of TP7=5V, 0V.
- -50 -35 Crosstalk 1 Between
SW (EXT→INT)
CTEBINT
SG2 applied to TP11, SG11 applied to
TP9, SW7=H, TP5=H,
SG5 (1MHz, 700mVpp) applied
To TP33, TP28 =GND.
Measure the output of 1MHz
component on TP4.Calculate the
swing ratio of TP7=5V, 0V.
- -50 -35
dB
CTIE1R
SG2 applied to TP11, SG11 applied to
TP9, SW7=H, TP5=H,
SG3 (1MHz, 700mVpp) applied to
TP28, TP37=GND.
Measure the output of 1MHz
component on TP48.Calculate the
swing ratio of TP7=5V, 0V.
- -50 -35
CTIE1G
SG2 applied to TP11, SG11 applied to
TP9, SW7=H, TP5=H,
SG3 (1MHz, 700mVpp) applied
To TP28, TP35=GND.
Measure the output of 1MHz
component on TP2.Calculate the
swing ratio of TP7=5V,0V.
- -50 -35 Crosstalk 2 Between
SW (INT→EXT)
CTIE1B
SG2 applied to TP11, SG11 applied to
TP9, SW7=H, TP5=H,
SG3 (1MHz, 700mVpp) applied
To TP28, TP33=GND.
Measure the output of 1MHz
component on TP4.Calculate the
swing ratio of TP7=5V, 0V.
- -50 -35
dB
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NJM2527 s ELECTRICAL CHARACTERISTICS
(Ta=25°C,V CC1=5V, V CC2=5V,TP20=TP31=TP45=2.5V,
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NJM2527
s ELECTRICAL CHARACTERISTICS
(Ta=25°C,V CC1=5V, V CC2=5V,TP20=TP31=TP45=2.5V,
TP19=2.8V,TP7=5V,TP38=1V,TP39=3V,TP44=0V,SW13=SW7=L)
PARAMETER SYMBOL TEST
CONDITION(TP=IC Pin No.) MIN. TYP.
MAX.UNIT
Demodulation
Relativity Phase
(R-Y/B-Y)
ΘRB - 90 -
Demodulation
Relativity Phase
(G-Y/B-Y)
ΘGB
SG6 (3.58MHz, 300mVpp) applied to
TP13, SG10 applied to TP5, SG2
applied to TP11, SG11 applied to
TP9. TP38=1.5V,TP39=3.0V,vary the
chroma phase on SG6, define the phase
at maximum output amplitude of TP48,
TP2, TP4 as ΘR,ΘG,ΘB.
ΘRB=ΘR-ΘB
ΘGB=ΘG-ΘB
- 240 -
deg
Demodulation Output
residual Carrier
VCR
SG6 (3.58MHz, 300mVpp) applied to
TP13, DC5V applied to TP5, SG2
Applied to TP11, SG11 applied to
TP4, adjust the chroma phase on SG6
for maximum the amplitude of TP4.
Measure the ratio of 7.159059MHz
component to the 15.734kHz component.
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NJM2527 s APPLICATION CIRCUIT EXAMPLE (NTSC/PAL)
*1:332PN-2636BS(TOKO)
*2:3.579545MHz X'tal DSX151GA(DAISHINKU)
*3:4.433619MHz X'tal DSX151GA(DAISHINKU)
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NJM2527 s APPLICATION CIRCUIT EXAMPLE (NTSC)
*1:3.579545MHz X'tal DSX151GA(DAISHINKU)
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NJM2527 s APPLICATION CIRCUIT EXAMPLE (PAL)
*1:332PN-2636BS(TOKO)
*2:4.433619MHz X'tal DSX151GA(DAISHINKU)
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NJM2527
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NJM2527
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NJM2527
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NJM2527
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NJM2527
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NJM2527