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EL1883 Schematic ( PDF Datasheet ) - Intersil

Teilenummer EL1883
Beschreibung Sync Separator with Horizontal Output
Hersteller Intersil
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Gesamt 9 Seiten
EL1883 Datasheet, Funktion
®
Data Sheet
July 26, 2004
EL1883
FN7010.1
Sync Separator with Horizontal Output
The EL1883 video sync separator is
manufactured using Elantec’s high
performance analog CMOS process.
This device extracts sync timing information from both
standard and non-standard video input and also in the
presence of Macrovision pulses. It provides composite sync,
vertical sync, burst/back porch timing, and horizontal
outputs. Fixed 70mV sync tip slicing provides sync edge
detection when the video input level is between 0.5VP-P and
2VP-P (sync tip amplitude 143mV to 572mV). A single
external resistor sets all internal timing to adjust for various
video standards. The composite sync output follows video in
sync pulses and a vertical sync pulse is output on the rising
edge of the first vertical serration following the vertical pre-
equalizing string. For non-standard vertical inputs, a default
vertical pulse is output when the vertical signal stays low for
longer than the vertical sync default delay time. The
horizontal output gives horizontal timing with pre/post
equalizing pulses.
The EL1883 is available in an 8-pin SO package and is
specified for operation over the full -40°C to +85°C
temperature range.
Ordering Information
PART
NUMBER
PACKAGE TAPE & REEL PKG. DWG. #
EL1883IS
8-Pin SO
-
MDP0027
EL1883IS-T7
8-Pin SO
7” MDP0027
EL1883IS-T13 8-Pin SO 13” MDP0027
EL1883ISZ
8-Pin SO
-
MDP0027
(See Note)
(Pb-free)
EL1883ISZ-T7
(See Note)
8-Pin SO
(Pb-free)
7” MDP0027
EL1883ISZ-
8-Pin SO
13”
MDP0027
T13 (See Note) (Pb-free)
NOTE: Intersil Pb-free products employ special Pb-free material
sets; molding compounds/die attach materials and 100% matte tin
plate termination finish, which is 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-020B.
Features
• NTSC, PAL, SECAM, non-standard video sync separation
• Fixed 70mV slicing of video input levels from 0.5VP-P to
2VP-P
• Low supply current - 1.5mA typ.
• Single 3V to 5V supply
• Composite sync output
• Vertical output
• Horizontal output
• Burst/back porch output
• Macrovision compatible
• Available in 8-pin SO package
• Pb-free available
Applications
• Video amplifiers
• PCMCIA applications
• A/D drivers
• Line drivers
• Portable computers
• High speed communications
• RGB applications
• Broadcast equipment
• Active filtering
Demo Board
• A dedicated demo board is available
Pinout
EL1883
(8-PIN SO)
TOP VIEW
COMPOSITE SYNC OUT 1
COMPOSITE VIDEO IN 2
VERTICAL SYNC OUT 3
GND 4
8 VDD
7 HORIZONTAL OUTPUT
6 RSET
5 BURST/BACK
PORCH OUTPUT
1 CCAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2003, 2004. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
All other trademarks mentioned are the property of their respective owners.






EL1883 Datasheet, Funktion
EL1883
FIGURE 13. STANDARD VERTICAL TIMING
FIGURE 14. NON-STANDARD VERTICAL TIMING
6

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