STV2247H View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
STV2247H Datasheet PDF : 86 Pages
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STV224XH/228XH/223XH - ELECTRICAL CHARACTERISTICS
Symbol
FMax.-W
Flesh-W
Frange-W
Parameter
Maximum Phase Correction
Chroma Input Phase at Max. cor-
rection
Auto Flesh Control
Test Conditions
Register 14(HEX), d6 = 1, d7 = 1
Register 14(HEX), d6 = 1, d7 = 1
Register 14(HEX), d6 = 1, d7 = 1
Min.
Typ. Max.
±20
±45
±90
Unit
Deg
Deg
Deg
4.8.8 Color Demodulators
Symbol
DoffsetP
DoffsetS
PhaseErr
TransPal
transSEC
Naxis
Parameter
Demodulator Offset
Demodulator Offset
Phase Error in demodulated signal
Chroma Transient Time
Chroma Transient Time
R-Y Demodulation Axis
Test Conditions
PAL/NTSC mode, 75% color bar
SECAM mode, 75% color bar
PAL/NTSC mode, 90% matrix
PAL mode, 75% color bar green-
magenta transient
SECAM mode, 75% color bar green-
magenta transient
NTSC mode, 104° matrix
Min.
Typ.
Max.
±2
±2
5
700
900
104
Unit
%
%
Deg
ns
ns
Deg
4.8.9 Chroma Delay Line
Symbol
Cdelay
Ctrans
Dgain
Parameter
Delay of delayed signals
Difference of transient times be-
tween delayed and non delayed
signals
Differential Gain of delayed signals
versus direct signals
Test Conditions
Relative to non delayed signal
SECAM mode. tRN -tRN+1
tRN: rise time line N (direct)
tRN+1: rise time line N +1 (delayed)
SECAM mode. Gn+1/Gn
Gn: direct channel gain
Gn+1: delayed channel gain
Min. Typ. Max. Unit
63.9 64 64.1 µs
150 ns
-0.5 0 0.5 dB
4.8.10 Chroma Reference Output
Symbol
CHR-amp
ISCHR
Parameter
Chroma VCO Reference Signal
Amplitude
Sink Current
Test Conditions
Min. Typ. Max.
0.4
0.5
Unit
VPP
mA
4.9 SCANNING PART
4.9.1 Synchronization Separator
Symbol
Parameter
VSYNC Synchronization Pulse Amplitude
Test Conditions
4.9.2 Horizontal Oscillator
Symbol
fH50
fH60
fRANGE
fFREE
Parameter
Test Conditions
Horizontal Frequency
50 Hz mode
Horizontal Frequency
60 Hz mode
Frequency Control Range
Low Frequency
High Frequency
Free Frequency when PLL1 opened
Min. Typ. Max. Unit
50 300 450 mV
Min. Typ. Max. Unit
15.6
kHz
15.7
kHz
14.7 15.0 15.3
15.9 16.3 —
kHz
15.3 15.6 15.9 kHz
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