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STV2216 数据表(PDF) 13 Page - STMicroelectronics

部件名 STV2216
功能描述  BUS CONTROLLED NTSC/PAL TV PROCESSOR
PDF  26 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STV2216 数据表(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
SATURATION CONTROL
SATMax.
Maximum Saturation Control (3F)
1VPP CVBS on Pin 20
+4.5
+6.0
+7.5
dB
SATNom.
Nominal Saturation Control (20)
1VPP CVBS on Pin 20
0
dB
SATMin.
Minimum Saturation Control(00)
1VPP CVBS on Pin 20
-44
dB
COLOUR DIFFERENCE INPUT SIGNALS (Pins 38-39)
DCRYI
DC Voltage Pin 39
No colour
2.6
2.8
3.0
V
DCBYI
DC Voltage Pin 38
No colour
2.6
2.8
3.0
V
VRYI
Input Signal Amplitude Pin 39
100/75 color bar
1.05
VPP
VBYI
Input Signal Amplitude Pin 38
100/75 color bar
1.33
VPP
ICL38-39
Clamping Current
During burst key
100
180
260
µA
SYNC. SEPARATOR
VSync
Sync. Pulse Amplitude
On Pin 20
50
300
mV
HORIZONTAL OSCILLATOR
fH50
Frequency after Divider
50Hz input signal
15625
Hz
fH60
Frequency after Divider
60Hz input signal
15734
Hz
fRang
Frequency Control Range
Low Frequency
High Frequency
14925
16325
Hz
Hz
ffree
Free Running Frequency
when PLL1 open
Value 03hex in register 0Ehex
15000
15800
Hz
FIRST LOOP FILTER (Pin 33)
ILOW-33
Long Time Constant Output Current
0.13
0.17
0.20
mA
IHIGH
Short Time Constant Output Current
0.35
0.45
0.55
mA
I VLOW
Very Long Time Constant
0.02
0.03
0.05
mA
SECOND CONTROL LOOP
CRQ2
Control Range from Start of Horizontal
Output to Flyback
Horizontal position centered
2 to 14
µs
tshift
Horizontal Shift Range
4
µs
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
3.5
3.8
4.0
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
STV2216
13/26



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