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STV2246C 数据表(PDF) 32 Page - STMicroelectronics

部件名 STV2246C
功能描述  I2C BUS-CONTROLLED MULTISTANDARD SINGLE CHIP TV PROCESSOR
PDF  76 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STV2246C 数据表(HTML) 32 Page - STMicroelectronics

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STV223XD/224XC - ELECTRICAL CHARACTERISTICS
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COLOR DEMODULATORS
CHROMA DELAY LINE
PLL LOOP FILTER (PAL/NTSC)
Symbol
Parameter
Test Conditions
Min.
Typ
Max.
Unit
IC
Maximum Control Current
Color search mode (colour not ident.)
Color identified
1000
350
µA
IL
Leakage Current
5µA
Frange-W
Auto Flesh Control
Register 14(HEX), d6 = 1, d7 = 1
±90
Deg
HUE CONTROL
Symbol
Parameter
Test Conditions
Min.
Typ
Max.
Unit
Rhue
Hue Control Range
±35
±45
±55
Deg
AUTOMATIC FLESH CONTROL See Figure 13
Symbol
Parameter
Test Conditions
Min.
Typ
Max.
Unit
FleshNom. Nominal Flesh tint phase
118
Deg
Fcorr0
Phase Correction when auto flesh
ON
At FleshNom
0
Deg
FMax.-N
Maximum Phase Correction
Register 14(HEX), d6 = 1, d7 = 0
±10
Deg
Flesh-N
Chroma Input Phase at Max. cor-
rection
Register 14(HEX), d6 = 1, d7 = 0
±30
Deg
Frange-N
Auto Flesh Control Range
Register 14(HEX), d6 = 1, d7 = 0
±60
Deg
FMax.-W
Maximum Phase Correction
Register 14(HEX), d6 = 1, d7 = 1
±20
Deg
Flesh-W
Chroma Input Phase at Max. cor-
rection
Register 14(HEX), d6 = 1, d7 = 1
±45
Deg
Frange-W
Auto Flesh Control
Register 14(HEX), d6 = 1, d7 = 1
±90
Deg
Symbol
Parameter
Test Conditions
Min.
Typ
Max.
Unit
DoffsetP
Demodulator Offset
PAL/NTSC mode, 75% color bar
±2
%
DoffsetS
Demodulator Offset
SECAM mode, 75% color bar
±2
%
PhaseErr
Phase Error in demodulated signal
PAL/NTSC mode, 90% matrix
5
Deg
TransPal
Chroma Transient Time
PAL mode, 75% color bar green-
magenta transient
700
ns
transSEC
Chroma Transient Time
SECAM mode, 75% color bar green-
magenta transient
900
ns
Naxis
R-Y Demodulation Axis
NTSC mode, 104° matrix
104
Deg
Symbol
Parameter
Test Conditions
Min.
Typ
Max.
Unit
Cdelay
Delay of delayed signals
Relative to non delayed signal
63.9
64
64.1
µs
Ctrans
Difference of transient times be-
tween delayed and non delayed
signals
SECAM mode. tRN -tRN+1
tRN: rise time line N (direct)
tRN+1: rise time line N +1 (delayed)
150
ns
Dgain
Differential Gain of delayed signals
versus direct signals
SECAM mode. Gn+1/Gn
Gn: direct channel gain
Gn+1: delayed channel gain
-0.5
0
0.5
dB



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