參數(shù)資料
型號: STV2249
元件分類: 參考電壓二極管
英文描述: Low Current Operation at 250 ,Low Reverse Leakage,Low Noise Zener Diode
中文描述: 250 的低電流運(yùn)算,低反向泄露,低噪聲穩(wěn)壓二極管
文件頁數(shù): 28/76頁
文件大?。?/td> 2157K
代理商: STV2249
STV223XD/224XC - ELECTRICAL CHARACTERISTICS
28/76
CVBS1 OUTPUT (Pin 29 - SDIP56)
CVBS2 OUTPUT
OSD RGB INPUTS
OSD FAST BLANKING INPUT (TQFP64)
Symbol
V
OUT
R
LOAD
Parameter
Test Conditions
Min.
Typ
Max.
1.5
Unit
V
PP
k
Dynamic Output Amplitude
Output Load Resistance
Register 1Dhex, data = 07hex
Register 1Dhex, data = 07hex
Register 1Dhex, data = 07hex
V
IN
= 1V
PP
Register 1Dhex, data = 07hex
Up to 5 MHz
Register 1Dhex, data = 07hex
From any CVBS/Y inputs
Register 1Dhex, data = 07hex
Black Level
3
BW
CVBS Bandwidth
10
MHz
Crosstalk
Deletion of non-selected signals
50
dB
MGAIN
Output Gain
-0.5
0
0.5
dB
DCMAIN
DC Output Voltage
4.2
V
Symbol
V
OUT2
R
OUT2
BW2
Crosstalk2 Deletion of non-selected signals
SWI2gain
Output Gain
SWI2DC
DC Output Voltage
R
LOAD2
Output Load Resistance
Parameter
Test Conditions
Min.
Typ
Max.
3
Unit
V
PP
MHz
dB
dB
V
k
Dynamic Output Amplitude
Internal Output Resistance
CVBS Bandwidth
10
V
IN =
1 V
PP
Up to 5 MHz
From any CVBS/Y inputs
Black Level
10
50
5.5
6
6.5
3.8
1.5
Symbol
V
CLAMP
V
RGB
CRGB
Parameter
Test Conditions
Max. Contrast
Min.
Typ
4
0.7
4.28
Max.
Unit
V
V
PP
-
Clamp Level
RGB Input Voltage
RGB Gain
Difference of black level of internal
and external signals at the RGB out-
puts
Clamping Current
Deletion of non-selected RGB source From 0 to 5 MHz
1
Max. Contrast, Max. Drive
Dblack
OSD signal versus internal signal
50
mV
I
RGB
60
50
100
140
μA
dB
Crosstalk
Symbol
V
THFB1
Parameter
Test Conditions
Min.
0.5
Typ
0.7
Max.
0.85
Unit
V
Insertion Threshold Voltage
V
THFB2
Blanking Threshold Voltage,
Oversize Blanking active
Register 08hex d7 = 1
3.2
4
4.8
V
t
SWI1
Insertion Switching Delay
20
40
ns
t
SWI2
Blanking Switching Delay
From FBOSD = 4V to starting of
blanking falling edge at RGB out-
puts
0V at Pin FBOSD
100
ns
I
FB
Input current
10
μA
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