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STV2248C 数据表(PDF) 36 Page - STMicroelectronics

部件名 STV2248C
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

STV2248C 数据表(HTML) 36 Page - STMicroelectronics

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STV223XD/224XC - ELECTRICAL CHARACTERISTICS
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DRIVE ADJUSTMENT (WHITE POINT ADJUSTMENT)
Symbol
Parameter
Test Conditions
Min.
Typ
Max.
Unit
WPrange
White Point Adjustment Range
On RGB outputs
6
dB
CUT-OFF ADJUSTMENT (BLACK POINT ADJUSTMENT)
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
CATHODE CURRENT INPUT
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
BEAM CURRENT LIMITER INPUT See Figure 14 and Figure 15
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
BRIGbcl
Brightness Attenuation at VTH4
100
%
Clp
High Clamping Voltage
6.5
V
SAF-thr
Safety Threshold
0.8
1
1.2
V
SAF-hold
Supply Hold Voltage
Referred to VCC1
3V
AUTOMATIC RGB PEAK REGULATION See Figure 16
Symbol
Parameter
Test Conditions
Min.
Typ
Max.
Unit
APR
Maximum Output Level on RGB
outputs when APR ON
Contrast Max., drive Max., no load
APR threshold Min. (50IRE)
APR threshold 70IRE
APR threshold Max. (100IRE)
2.14
3.0
4.28
V
iAPR-D
Discharging Current
5.5
µA
iAPR-C
Charging Current
5.25
mA



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