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參數(shù)資料
| 型號(hào)： | FN7173 |
| 廠商： | Intersil Corporation |
| 英文描述： | Sync Separator, 50% Slice, S-H, Filter, Horizontal sync output |
| 中文描述： | 同步分離器，50％的切片，上海，過濾器，臥式同步輸出 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 141K |
| 代理商： | FN7173 |
1
FN7173.1
EL4583
Sync Separator, 50% Slice, S-H, Filter,
H
OUT
The EL4583 extracts timing from video sync in NTSC, PAL,
and SECAM systems, and non standard formats, or from
computer graphics operating at higher scan rates. Timing
adjustment is via an external resistor. Input without valid
vertical interval (no serration pulses) produces a default
vertical output.
Outputs are: composite sync, vertical sync, filter, burst/back
porch, horizontal, no signal detect, level, and odd/even
output (in interlaced scan formats only).
The EL4583 sync slice level is set to the mid-point between
sync tip and the blanking level. This 50% point is determined
by two internal sample and hold circuits that track sync tip
and back porch levels. It provides hum and noise rejection
and compensates for input levels of 0.5V to 2.0V
P-P
.
A built in filter attenuates the chroma signal to prevent color
burst from disturbing the 50% sync slice. Cut off frequency is
set by a resistor to ground from the Filter Cut Off pin.
Additionally, the filter can be by-passed and video signal fed
directly to the Video Input.
The level output pin provides a signal with twice the sync
amplitude which may be used to control an external AGC
function. A TTL/CMOS compatible No Signal Detect Output
flags a loss or reduction in input signal level. A resistor sets
the Set Detect Level.
The EL4583 is manufactured using Elantec’s high
performance analog CMOS process.
Pinout
Features
NTSC, PAL, and SECAM sync separation
Single supply, +5V operation
Precision 50% slicing
Built-in programmable color burst filter
Decodes non-standard vertical
Horizontal sync output
Sync. pulse amplitude output
Same socket can be used for 8-pin EL4581
Low-power CMOS
Detects loss of signal
Resistor programmable scan rate
Few external components
Available in 16-pin PDIP and 16-pin SO (0.150”) packages
Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
Video special effects
Video test equipment
Video distribution
Multimedia
Displays
Imaging
Video data capture
Video triggers
1
2
3
4
16
15
14
13
5
6
7
12
11
10
8
9
FILTER CUT OFF
SET DETECT LEVEL
COMPOSITE SYNC OUT
FILTER INPUT
VERTICAL SYNC OUT
DIGITAL GND
FILTER OUTPUT
COMPOSITE VIDEO INPUT
ANALOG GND
HORIZONTAL SYNC OUT
VDD
ODD/EVEN OUTPUT
RSET*
BURST/BACK PORCH OUTPUT
NO SIGNAL DETECT OUTPUT
LEVEL OUTPUT
EL4583
(16-PIN SO, PDIP)
TOP VIEW
*Note: R
SET
must be a 1% register
Ordering Information
PART NUMBER
PACKAGE
TAPE &
REEL
PKG.
DWG. #
EL4583CN
16-Pin PDIP
-
MDP0031
EL4583CS
16-Pin SO (0.150”)
-
MDP0027
EL4583CS-T7
16-Pin SO (0.150”)
7”
MDP0027
EL4583CS-T13
16-Pin SO (0.150”)
13”
MDP0027
EL4583CSZ (Note) 16-Pin SO (0.150”) (Pb-free)
-
MDP0027
EL4583CSZ-T7
(Note)
16-Pin SO (0.150”) (Pb-free)
7”
MDP0027
EL4583CSZ-T13
(Note)
16-Pin SO (0.150”) (Pb-free)
13”
MDP0027
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100%
matte tin plate termination finish, which are RoHS compliant and
compatible with both SnPb and Pb-free soldering operations. Intersil
Pb-free products are MSL classified at Pb-free peak reflow
temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
Data Sheet
June 27, 2005
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2002, 2003, 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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