參數(shù)資料
型號: STV0056A
廠商: 意法半導體
英文描述: Satellite Sound and Video Processor(衛(wèi)星探測和視頻處理器)
中文描述: 衛(wèi)星聲音和視頻處理器(衛(wèi)星探測和視頻處理器)
文件頁數(shù): 13/26頁
文件大?。?/td> 247K
代理商: STV0056A
50
μ
A
1
μ
A
10k
S1 VIDRTN
S2 VIDRTN
S3 VIDRTN
CLAMPIN
V
DD
5V
GND0V
1
1
V
DD
9V
0
Figure1
2.3mA
GND 0V
4
V
CC
12V
VIDMUX
10k
16.7k
GND0V
I Black Level
60
S3 VID OUT
V
REF
2.4V
25k
0
Figure2
2.3mA
GND 0V
4
V
CC
12V
VID MUX
10k
20k
20k
GND 0V
60
S1 VID OUT
S2 VID OUT
V
REF
2.4V
0
Figure3
2.3mA
GND 0V
4
V
CC
12V
IN
10k
25k
16.7k
GND 0V
60
UNCL DEEM
V
REF
2.4V
0
Figure 4
1
125
μ
A
6
μ
/2
μ
10
μ
/2
μ
VIDEEM1
0
Figure 5
1
125
μ
A
6
μ
/2
μ
10
μ
/2
μ
VIDEEM2/22kHz
V
DD
5V
100
μ
/2
μ
60
μ
/2
μ
22kHz
0
Figure 6
PIN INTERNALCIRCUITRY
S1 VIDRTN, S2 VIDRTN, S3 VID RTN,
CLAMP IN
50
μ
A source is active onlywhen VIDIN < 2.7V.
S3 VIDOUT
I blacklevelisI
2
Cprogrammablefromsource16
μ
A
to sink 33
μ
A equivalent to an offset voltage of
-150mV to + 300mV.
The 60
collector resistor is for short cct. protec-
tion.
S1 VIDOUT, S2 VID OUT
Same asabovebut with no black leveladjustment.
UNCL DEEM
Same as abovebut with no black level adjustment
and slightly different gain.
VIDEEM1
Ron of the transistorgate is
10k
.
VIDEEM2/ 22kHz
Ron of the transistorgate is
10k
.
STV0056A
13/26
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