EL1883ISZ-T7 Multimedia Video Driver IC EL1883ISZ SYNC SEPERATOR

EL1883ISZ-T7 Datasheet

Product Details

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.

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 plus anneal available (RoHS compliant)

Applications

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

Specifications

Descriptions

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