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PDF NJW1301 Data sheet ( Hoja de datos )
| Número de pieza | NJW1301 | |
| Descripción | Signal Processor for TFT Display / QFP64-K1 | |
| Fabricantes | JRC | |
| Logotipo |  |
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NJW1301
SIGNAL PROCESSOR FOR COLOR TFT FOR NTSC
sGENERAL DESCRIPTION
The NJW1301 is a color TFT signal processor for NTSC.It
contains Y/C separator circuit, color signal modulator, count
down circuit , RGB demodulator , RGB interface , side black
control circuit, PWM control circuit and common pole driver,
required by color TFT signal processing.
It is suitable for car navigation system with color TFT panel.
sPACKAGE OUTLINE
NJW1301FK1
sFEATURES
qInternal Y/C separator circuit
qNTSC matching for Composite
qInternal one systems input for analog RGB for NTSC/PAL
qInternal count down circuit at H,V
qInternal enhancer circuit
qInternal Side black control circuit
qInternal PWM control circuit
qInternal γ2 point correction circuit
qInternal Color TFT Common pole driver
qBi-CMOS technology
qPackage Outline LQFP64
sBLOCK DIAGLAM
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
HD 1
VCOMAMP 2
VCC3 3
VCOMIN 4
VCOMCENT 5
VCOMFB 6
VCOMOUT 7
VEE1 8
ACCDET 9
FADJ 10
KILLER 11
PWMREF 12
TINT 13
CIN 14
COLOR 15
VCXOOUT 16
PWM OSC
REG
32fHVCO
AFC
SYNCSEP
H
COUNT DOWN
V
COUNT DOWN
ACC
HPF
APC
TINT
KILLER
COLOR
DEMOD
MATRIX
CLAMP PICTURE
VCXO
TRAP
VREF
ALTAMP
BRIGHT
CLAMP
CONT RAST
INT/EXT SW
48 BOUT
47 BDET
46 GOUT
45 GDET
44 ROUT
43 RDET
42 SIDEBLACK
41 FRP
40 BRIGHT
39 SUBVG1B
38 SUBVG1R
37 SUBVG2B
36 SUBVG2R
35 VG1
34 VG2
33 EXTINR
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Ver.02
-1-
1 page  
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NJW1301
sELECTRICAL CHARACTERICS
(Ta=25°C,VCC1=5V,VCC3=7V,VDD=5V,VEE1=-5V,TP2=TP5=TP27=TP40=2.5V,TP13=2.9V,TP15=3.1V,
TP34=3.0V,TP35=1V,TP26=TP42=5V,TP50=5V,TP58=4.7V,SW14=SW25=SW26=SW50=L)
PARAMETERS
SYMBOL
TEST CONDITIONS
MIN. TYP. MAX UNIT
ACC Characteristic
(NTSC)
Color Control Gain
Variable Range
APC Capture Range
Composite→Y/C
input switching voltage
Y/C→Composite
input switching volyage
GA1
GA2
Gc1
Gc2
fA1
fA2
VTHCY
VTHYC
SG10 applied to TP41,
SG6(3.579545MHz,typical
swing150mVpp)
applied to TP14,SG2 applied to
TP51.Define the each amplitude
on TP46 at 0dB,+6dB,-25dB toward
SG6 as Vo1,Vo2 and Vo3.
GA1=20LOG(Vo2/Vo1)
GA2=20LOG(Vo3/Vo1)
SG10 applied to TP41,
SG6(3.579545MHz,typical
swing150mVpp)
applied to TP14,SG2 applied to
TP51.Define the each amplitude
on TP46 at TP15=0V,3.1V,5.0V as
Vo1,Vo2 and Vo3.
GC1=20LOG(Vo1/Vo2)
GC2=20LOG(Vo3/Vo2)
SG10 applied to TP41,
SG6(3.579545MHz,150mVpp)
applied to TP14,
variable the BURST frequency until
the voltage on TP11 drops below
2V. Work out the difference between
the frequency at that time and
3.579545MHz.
fA1=when approach BURST
frequency from low frequency.
fA2= when approach BURST
frequency from high frequency
SG3(350mVpp,3.579545MHz)
applied to TP19,SG2 applied to
TP51,SG10 applied to TP41,
SW14=H. Increase TP14(B) ,
change from composite to Y/C.
Then measure the voltage on
TP14(B).
SG3(350mVpp,3.579545MHz)
applied to TP19,SG2 applied to
TP51,SG10 applied to TP41,
SW14=H. Decrease TP14(B),
change from Y/C to composite.
Then measure the voltage on
TP14(B).
-
-12.5
-70
0.7
-
+700
1.3
0.7
0.0
-7.5
-50
2.0
-2900
+1500
1.6
1.0
2.0
-
-40
-
-700
-
1.9
1.3
dB
dB
Hz
V
V
Ver.02
-5-
5 Page 
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NJW1301
sELECTRICAL CHARACTERICS
(Ta=25°C,VCC1=5V,VCC3=7V,VDD=5V,VEE1=-5V,TP2=TP5=TP27=TP40=2.5V,TP13=2.9V,TP15=3.1V,
TP34=3.0V,TP35=1V,TP26=TP42=5V,TP50=5V,TP58=4.7V,SW14=SW25=SW26=SW50=L)
PARAMETERS
SYMBOL
TEST CONDITIONS
MIN. TYP. MAX UNIT
Side-black Level
VCOM Output
Slew Rate
VCOM Center Voltage
VCOM Amplitude
VSB
SRVCOM
VCVCOM
VAVCOM
TP41=SG10,TP51=SG2.
When TP42=5V ,define the
non-invertiing black level of TP44,
TP46,TP48 as VRB,VGB,VBB.
When TP42=5V ,define the invertiing
black level of TP44,TP46,TP48
as VRBI,VGBI,VBBI.
When TP42=0V ,define the
non-invertiing black level of TP44,
TP46,TP48 asVRB(B),VGB(B),
VBB(B).
When TP42=0V ,define the invertiing
black level of TP44,TP46,TP48
as VRBI(B),VGBI(B),VBBI(B).
VdBLACK=VRB-VRB(B),
VGB-VGB(B),
VBB-VBB(B)
=VRBI(B)-VRBI,
VGBI(B)-VGBI,
VBBI(B)-VBBI
SG9 applied toTP4.
Measure the tern on and tern off time
at 20% to 80% on TP6 output wave.
Then convert to slew rate.
SG9 applied to TP4.
Measure the center voltage of TP6
output voltage.
SG9 applied to TP4.
Measure the output ampukitude on
TP6.
-
4.0
0.9
6.0
500 - mV
9.0 - V/us
1.2 1.5 V
6.5 7.0 VP-P
Delay Between Y-C ∆TdYC
- 0 - ns
RGB Slew Rate
SRRGB
TP29,TP31,TP33=SG8,TP41=SG10,
TP51=SG2.
Measure the tern on and tern off time
at 20% to 80% of output wave on
TP44,TP46,TP48.
Then convert to slew rate.
9
22 40 V/us
Ver.02
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| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet NJW1301.PDF ] | |
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