EL1883ISZ-T7 Datasheet

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.

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 plus anneal available (RoHS compliant)

Video amplifiers
PCMCIA applications
A/D drivers
Line drivers
Portable computers
High speed communications
RGB applications
Broadcast equipment
Active filtering



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Manufacturer information


Intersil Corporation is a market leader in power management and precision analog technology for many of the most rigorous applications in the computing, consumer, and industrial markets. The company supplies a full range of power IC solutions including battery management, computing power, display power, regulators and controllers, and power modules; as well as precision analog components such as amplifiers and buffers, proximity and light sensors, data converters, timing products, optoelectronics and interface products. As a major supplier to the military and aerospace industries, Intersil’s product development methodologies reflect experience designing products to meet the highest standards for reliability and performance in challenging environments.

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