ZXFV401
SYNC SEPARATOR WITH VARIABLE FILTER
DEVICE DESCRIPTION
The ZXFV401 provides the ability to separate out video
synchronisation signals for a wide variety of TV and CRT
display systems, standard and non-standard.
Flexibility arises from the use of just three external
resistors to adapt to each application. One resistor
controls a fully integrated internal colour carrier filter
with variable bandwidth. This filter aviods disturbance
from the colour carrier, permitting accurate threshold
slicing for timing extraction.
A second resistor controls the voltage threshold for
loss of signal detection after a time-out interval. The
third resistor controls the timing functions.
DC restoration for displays is facilitated by the Back
Porch synch output, which can be used to drive an
external curcuit to clamp the blanking voltage to a fixed
level.
FEATURES AND BENEFITS
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PAL, NTSC, SECAM, other TV systems
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Super accurate synch slice
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Variable filter for outputs: composite, horizontal,
Vertical, back porch, odd / even
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No-signal detector
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On chip sample / hold capacitors
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+5V single supply
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4.5 mA supply current
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Default vertical output where there are no
serration pulses
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Pin compatible with industry standard part SO16N
surface mount package
APPLICATIONS
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Digital image capture
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Video input systems requiring separation of
picture timing
ORDERING INFORMATION
Part Number
ZXFV401N16TA
ZXFV401N16TC
Container
Reel 7鈥?/div>
Reel 13鈥?/div>
Increment
500
2500
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Video distribution
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CCTV surveillance
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Digital multimedia
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Timing for black level clamp
CONNECTION DIAGRAM
+5V
COMPOSITE SYNC
ZXFV401N16
RFILT
1
2
RNOSIG
VIDEO INPUT
C1
4
0.1uF
75R
6
7
C2
0.1uF
8
0VD
FILTOUT
FVIDIN
BKPCH
NOSIG
VLEV
11
10
9
BACK PORCH
NO SIGNAL
SYNC TIP VOLTAGE
5
FILTIN
VSYNC
ODDFLD
RSET
13
RSET
12
ODD FIELD
3
RFILT
RNOSIG
CSYNC
0VA
HSYNC
V+
16
15
14
HORIZONTAL SYNC
VERTICAL SYNC
PROVISIONAL ISSUE A - FEBRUARY 2002
1
ZXFV401N16TA 產(chǎn)品屬性
1
集成電路 (IC)
線性 - 視頻處理
-
視頻同步
成像分布，監(jiān)視
表面貼裝
16-SOIC（0.154"，3.90mm 寬）
16-SO（窄型）
Digi-Reel®
ZXFV401N16TADKR
ZXFV401N16TA相關(guān)型號(hào)PDF文件下載
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