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STV2236 Datasheet(PDF) 35 Page - STMicroelectronics

No. de pieza STV2236
Descripción Electrónicos  I²C bus-controlled multistandard single chip TV processor
PDF  86 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV2236 Datasheet(HTML) 35 Page - STMicroelectronics

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STV224X, STV228X, STV223X - ELECTRICAL CHARACTERISTICS
35/86
4.7.3 Bell Filter
4.8 CHROMA PART
4.8.1 ACC
4.8.2 ACC Overload
4.8.3 Killer
4.8.4 Chroma PLL
4.8.5 PLL Loop Filter (PAL/NTSC)
4.8.6 Hue Control
4.8.7 Automatic Flesh Control
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
fBELL
Center Frequency
Register 11h, d4-d0 = 00000
4.27
4.29
4.31
MHz
QBP
Bell Quality Factor
14
16
18
-
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
GACC
ACC Control Range
Change of burst overall ACC control
range < 2dB
26
dB
VMin.
Minimum Burst Signal Amplitude
Within the ACC control range
0.03
VPP
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VTH
Chroma regulation Threshold
ACC overload ON, PAL/NTSC
3
dB
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Ident-kill
Color on Threshold of ident. circuit
Burst amplitude on selected CVBS
input
5
mVPP
Kill-Hyst
Color off Killer Hysteresis
Strong signal condition, S/N > 40 dB
2
mVPP
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
CaptR
Catching Range
With recommended crystal and rec-
ommended CLPF filter value.
±300
HoldR
Holding Range
> or = to capture range
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
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
RHUE
Hue Control Range
±35
±45
±55
Deg
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



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