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STV2112B Datasheet(PDF) 13 Page - STMicroelectronics

Part # STV2112B
Description  BUS-CONTROLLED PAL/SECAM TV PROCESSOR
PDF  24 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV2112B Datasheet(HTML) 13 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
LINE FLYBACK INPUT/SANDCASTLE OUTPUT (Pin 37)
VSCO
Output Voltage during Burst Key
4.0
5.0
V
VCL37
Clamped Input Voltage during Flyback
2.5
3.1
V
tWBG
Burst Key Pulse Width
3.7
3.8
3.9
µs
tdBG
Delay of Start of Burst Key to Start of Sync.
5.2
µs
VTH1-37
Blanking Threshold Voltage
0.5
0.7
0.9
V
VTH2-37
PLL2 Threshold Voltage referred to Line
Level VCL37
PLL2VTH/VCL37
80
%
I37
Input Current
During flyback pulse
0.1
1
mA
HORIZONTAL OUTPUT (Pin 36)
TW36
Output Pulse Width
Normal operation
26
28
30
µs
V Low36
Voltage Output Low
R pull-up = 1k
Ω
1.1
V
VCC Start
VCC Start Level
Voltage on Pin 42
6.7
V
VCC Stop
VCC Stop Level : hysteresis
Voltage on Pin 42,
VCCstart -VCCstop
0.60
V
I36 Max.
Maximum Allowed Output Current
10
mA
V36 Max.
Maximum Allowed Output Voltage
(open collector)
12
V
Tss
Output Pulse Duty Cycle in soft-start
mode (Thigh/(Thigh + Tlow))
VCC2 = 9V, VCC1 < 6.0V
(VCC1 rising)
78
%
VERTICAL OUTPUT (Pin 35)
TW35
Output Pulse Width
10.5
Lines
VLow35
Low Level Output Voltage 4/3
Low Level Ouput Voltage 16/9
XXXX0XXX (bin) in Reg. 0Ehex
XXXX1XXX (bin) in Reg. 0Ehex
1.5
2
0.1
2.5
0.5
V
V
FR35
Locking Range
248
352
Lines
fFR-50
Free Frequency (no Video Signal)
50Hz
314
Lines
VHIGH35
High Level Range
(vertical position control)
XXXXX000(bin) in Reg. 0Dhex
XXXXX111(bin) in Reg. 0Dhex
3.5
5.7
3.8
6.3
4.2
7.0
V
V
Isink
Output Sinking Current
4/3
16/9
0.2
0.5
mA
mA
VERTICAL AMPLITUDE CONTROL (Pin 34)
V34R
Output Voltage Range
XX000000(bin) in Reg. 0Chex
XX111111(bin) in Reg. 0Chex
1.0
5.6
1.2
6.2
1.5
6.7
V
V
VOLUME CONTROL AND MUTE (Pin 10)
VR10
Output Voltage Range
(volume control)
XX000000(bin) in Reg. 0Fhex
XX111111(bin) in Reg. 0Fhex
0.35
4.2
0.5
4.7
0.7
5.2
V
V
MUT
Output Voltage when MUTE
0.02
0.1
V
STV2112B
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