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參數(shù)資料
| 型號(hào)： | M52347 |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SYNC SIGNAL PROCESSOR |
| 中文描述： | 同步信號(hào)處理器 |
| 文件頁(yè)數(shù)： | 11/13頁(yè) |
| 文件大?。?/td> | 131K |
| 代理商： | M52347 |
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MITSUBISHI ICs (Monitor)
M52347SP/FP
SYNC SIGNAL PROCESSOR
11
3) Polarity detection and non-input detection (pins
External capacitance is required as a filter pin to detect polarity
and non-input. As the value is larger, the ripple is smaller and
less malfunction occurs. However, the response speed for
detection is lower. A sufficient external capacitance is 0.05
μ
F
with input of 15 kHz and 10 uF with input of 60 kHz. However,
check the frequency of the input signal in use and the filter pin
waveform with the duty ratio conditions, and then check that the
value is 3.1V or more (2.8V in capability) with positive polarity
input and 1.9V or less (2.2V in capability) with negative polarity
input.
and
)
4) V S/S IN (pin
Input a signal of having externally integrated composite sync for
V sync separation.
)
Composite sync input into pin
is output to pin
. Output at
is externally integrated and is input into pin
for V sync
separation. With the waveform at pin
element has been fully dropped.
The threshold levels of sync separation, given hysteresis, are
3.5V and 1.8V.
, check that the H
2. Clamp Pulse
1) Clamp pulse width
CLAMP TIMING (Pin
The clamp pulse width is determined by the external resistance
and the capacitance. As the resistance value and capacitance
value are larger, the clamp pulse width is wider.
The time constant is determined by the current flowing out of pin
)
and the capacitance value of the timing pin. The flow current
at pin
value. When the external resistance is 4.3
(that is 700 uA) and
the external capacitance is 220 pF, the pulse width is 0.4 usec.
is determined by the pin voltage and external resistance
2) Clamp pulse position
CLAMP SW (pin
)
When pin
trailing edge results in occurrence of a clamp pulse. When pin 3
is 'H", and only GREEN is input, clamp pulse occurs at the
trailing edge. A clamp pulse also occurs at the leading edge
is "M" or "L", fixing a higher-priority signal to the
when COMP/H only is input or when both COMP/H and GREEN
are input.
3. Sampling Pulse from VD Portion
V TIME GATE SW (Pin
)
Whether to output the pulse of VD portion from pins
and
can be selected. When pin
is "H" or OPEN, pulse of the VD
portion is output. When pin
is not output.
is "L", the pulse of the VD portion
7
8
11
6
12
12
11
11
6
13
11
V
TH
=3.5V
V
TH
=1.8V
Input waveform at
pin
Waveform at
pin
Output waveform at
pin
20
20
20
3
3
10
100
2
4
8
1000
6
0
R=10k
R=4.3k
C
Clamp Timing Capacitance at Pin (pF)
20
10
14
15
10
10
VD portion
Output at pin when pin is "L"
14
Output at pin when pin is "H" or OPEN
15
VD portion
Output at pin when pin is "L"
Output at pin when the pin is "H" or OPEN
14
10
10
10
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M52347FP | 制造商:MITSUBISHI 制造商全稱(chēng):Mitsubishi Electric Semiconductor 功能描述:SYNC SIGNAL PROCESSOR |
| M52347SP | 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:Sync Signal Processor |
| M52348FP | 制造商:Panasonic Industrial Company 功能描述:IC |
| M52348SP | 制造商:MITSUBISHI 制造商全稱(chēng):Mitsubishi Electric Semiconductor 功能描述:WIDE FREQUENCY BAND ANALOG SWITCH |
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