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STV2236 데이터시트(PDF) 39 Page - STMicroelectronics

부품명 STV2236
상세설명  I²C bus-controlled multistandard single chip TV processor
PDF  86 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV2236 데이터시트(HTML) 39 Page - STMicroelectronics

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STV224X, STV228X, STV223X - ELECTRICAL CHARACTERISTICS
39/86
4.10.5 Brightness Control
4.10.6 RGB Matrix
4.10.7 Drive Adjustment (White Point Adjustment)
4.10.8 Cut-Off Adjustment (Black Point Adjustment)
4.10.9 Cathode Current Input
4.10.10 Beam Current Limiter Input
See Figure 14 on page 42 and Figure 15 on page 42.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Bright
Brightness Control Range referred
to B/W amplitude on RGB outputs
At Max. Contrast, APR OFF
50
60
70
%
Blacknom
Nominal Black Level at RGB out-
puts. Difference between black lev-
el VBLACK and inserted cut-off pulse
level VCO: VBLACK - VCO
BS mode, Max. Contrast.
(VBLACK - VCO)/V_BW
V_BW: black to white amplitude at
RGB outputs.
-12
%
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
G/R
(G-Y)/(R-Y)
PAL/SECAM matrix measured on R,
G outputs PAL DEMpattern
-0.40
-0.51
-0.62
-
G/B
(G-Y)/(B-Y)
PAL/SECAM matrix measured on G,
B outputs PAL DEMpattern
-0.15
-0.19
-0.23
-
R/Bntsc
(R-Y)/(B-Y)
NTSC mode, 104° matrix input signal:
U = V measured on R, B outputs
0.9
-
G/Rntsc
(G-Y)/(R-Y)
NTSC mode, 104° matrix
-0.29
-
G/Bntsc
(G-Y)/(B-Y)
NTSC mode, 104° matrix
-0.22
-
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
WPrange
White Point Adjustment Range
On RGB outputs
6
dB
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
COadjust
Cut-off Adjustment Range
On Red and green outputs at Typ.
drive, no load
420
mV
COloop
Cut-off Loop Range
On RGB outputs
2
2.5
V
COlevel
Inserted Cut-off Level
1.5
2.5
3.5
V
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VLEAK
Leakage Current Reference Volt-
age
3.75
4
V
VCOFF
Cut-off Current Reference Voltage
referred to leakage current refer-
ence VLEAK
210
250
290
mV
VSBEAM
Start Beam Current Detection Ref-
erence Voltage
4.1
4.3
V
ISOURCE
Source Current
150
µA
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VTH1
Contrast Attenuation Starting
5.75
V
VTH2
Brightness Attenuation Starting
5.5
V
VTH3
Contrast Attenuation Ending
5.25
V
CTRbcl
Contrast Attenuation at VTH3
14
dB
VTH4
Brightness Attenuation Ending
4.5
V



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