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STV2246C 数据表(PDF) 34 Page - STMicroelectronics

部件名 STV2246C
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

STV2246C 数据表(HTML) 34 Page - STMicroelectronics

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STV223XD/224XC - ELECTRICAL CHARACTERISTICS
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Note 9: This parameter is not tested during production, it is tested during qualification phase.
LINE FLYBACK INPUT/SUPER-SANDCASTLE OUTPUT
HORIZONTAL OUTPUT
VERTICAL OUTPUT
VERTICAL AMPLITUDE CONTROL
CRYSTAL DETECTION
Symbol
Parameter
Test Conditions
Min.
Typ
Max.
Unit
VBURST
Output Voltage during Burst Key
4.8
5.3
5.8
V
VLINE
Clamped Input Voltage during Line
Flyback
2.6
3
3.4
V
VVERT
Output Voltage during Vertical pulse
1.8
2
2.2
V
Twbg
Burst key Pulse Width
3.8
µs
Tdbg
Delay of start of burst key to start of
sync.
5.2
µs
Tvert
Vertical Pulse Width
10.5
lines
VTHLINE
PLL2 and Line Blanking Threshold
Voltage referred to line level Vline
Vthline/Vline
83
%
I
Input Current
0.1
1
mA
Symbol
Parameter
Test Conditions
Min.
Typ
Max.
Unit
tW
Output Pulse Width
26
28
30
µs
VLOW
Low Output Voltage
ISINK = 5mA
0.4
V
VCCSTART VCC Start Level
5.5
6
6.5
V
VCCSTOP
VCC Stop Level Hysteresis
VCCSTART - VCCSTOP
0.5
0.6
0.7
V
IMax.
Maximum allowed Output Current
10
mA
VMax.
Maximum allowed Output Voltage
10
V
Tss
Output Pulse Duty Cycle in soft-start
mode (tHIGH/(tHIGH+tLOW)
75
%
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
tW
Output Pulse Width
10.5
Lines
VLOW
Low Output Voltage
4/3 selected, reg 19, d0 = 1
16/9 selected, reg 19, d0 = 0
1.5
2
0.1
2.5
0.5
V
fLOCK
Looking Range
248
352
Lines
fFREE-50
Free Frequency (no Video signal)
50-Hz Forced or 50-Hz Auto mode
314
Lines
fFREE-60
Free Frequency (no Video signal)
60-Hz Forced or 60-Hz Auto mode
264
Lines
VHIGH
High Level Range Vertical Position
Control
Min. position control
Max. position control
3.5
6.0
4
6.5
4.5
7.0
V
ISINK
Output Sinking Current
0.7
1.0
mA
ISOURCE
Output Source Current
0.7
1.0
mA
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VAMP
Output Voltage Range
Min. amplitude voltage
Max. amplitude voltage
1.2
5.5
1.5
6.0
1.7
6.5
V
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
R4.43
Load resistance at pin VAMP
4.43 MHz crystal on pin XTAL1
80
k
Ω
R3.58
Load resistance at pin VAMP
3.58 MHz crystal on pin XTAL1
10
k
Ω



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