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STV2118B 数据表(PDF) 11 Page - STMicroelectronics

部件名 STV2118B
功能描述  BUS CONTROLLED PAL/SECAM/NTSC TV PROCESSOR
PDF  25 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STV2118B 数据表(HTML) 11 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (VCC =9V, Tamb =25
oC, unless otherwise specified) (continued)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
OSD FAST BLANKING INPUT (Pin 15)
VTHFB1-15
Insertion Threshold Voltage
0.5
0.7
0.85
V
VTHFB2-15
Blanking Threshold Voltage
1.6
2.0
2.4
V
Tswi1-15
Insertion Switching Delay
30
ns
Tswi2-15
Blanking Switching Delay
50
ns
IFB-15
Input Current
0V at Pin 15
50
µA
EXTERNAL FAST BLANKING INPUT (Pin 19)
VTHFB-19
Threshold Voltage
0.5
0.7
0.85
V
IFB-19
Input Current
0V at Pin 19
50
µA
Tswi-19
Switching Delay
30
ns
CATHODE CURRENT INPUT (Pin 30)
VLEAK
Leakage Current Reference Voltage
1.80
2.0
V
VCoff
Cut-off Current Reference Voltage
refered to Leakage Current Reference
250
mV
VSB
Start Beam Current Detection
Reference Voltage
2.1
2.3
V
ILow-30
Source current
150
250
µA
AUTOMATIC CUT-OFF CAPACITORS (Pins 24-25-26)
I24-25-26
Control Current
70
100
130
µA
BEAM CURRENT LIMITER VOLTAGE (Pin 31)
VTH1-31
Contrast Attenuation Starting
6.0
V
VTH2-31
Brightness Attenuation Starting
5.5
V
VTH3-31
Contrast Attenuation Ending
5.0
V
CTR-BCL
Contrast Attenuation at V31=VTH3-31
14.0
dB
VTH4-31
Brightness Attenuation Ending
4.5
V
BRIG-BCL
Brightness Attenuation at V31=VTH4-31
100
%
CLP31
High Clamping Voltage
6.5
V
RGB OUTPUTS (Pins 27-28-29)
VBW
Output Signal Amplitude (B to W)
0.7V B/W at Pin 20, Drive Max.,
Contrast Max., Brightness Typ.,
Saturation Typ.
2.85
V
IS27-28-29
Output Sinking Current
1.5
2
mA
VM27-28-29
Maximum Peak White Level
7.8
V
VBlack27-28-29 Blanking Level
No load
0.3
0.45
0.6
V
RCO
Cut-off Output Range
2
2.6
V
DCCO
Cut-off Adjustment Range
On Red and Green ouputs
Pins 29 and 28, Drive Max.
300
mV
DRIV
Drive Adjustment Range
6.5
dB
R BRIG
Brightness Range
Relative to B/W amplitude on
R,G,B outputs at Contrast Max.
30
40
50
%
∆VCTR
Variation of Black Level with Contrast
100
mV
∆VSAT
Variation of Black Level with Saturation
50
mV
∆VREL
Relative Variation in Black Level
between the three Channels
- during Variation of Contrast(20dB)
- during Variation of Brightness
(total range)
- during Variation of Vcc (+/-10%)
Drive Max.
5
TBD
TBD
mV
mV
mV
∆VTemp
Black Level Thermal Drift
1
mV/
oC
STV2118B
11/25



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