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廬

ISL59885

Data Sheet

August 9, 2006

FN7442.5

Auto-Adjusting Sync Separator for HD

and SD Video

The ISL59885 video sync separator is manufactured using

high performance analog CMOS process. This device

extracts ISL59885 sync timing information from both

standard and non-standard video input in the presence of

Macrovision pulses. It provides composite sync, vertical

sync, SD and HDTV detection, and horizontal sync outputs.

Fixed 70mV sync tip slicing provides sync edge detection

when the video input level is between 0.5V

P-P

and 2V

P-P

.

Timing is adjusted automatically for various video standards.

The composite sync output follows 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. ISL59885

has an auto input frequency detect feature that sets the right

timing for any input format.

The ISL59885 is available in an 8 Ld SO package and is

specified for operation over the full -40擄C to +85擄C

temperature range.

Features

鈥?NTSC, PAL, SECAM, HDTV, non-standard video sync

separation

鈥?Fixed 70mV slicing of video input levels from 0.5V

P-P

to

2V

P-P

鈥?Single 3V to 5V supply

鈥?Composite sync output

鈥?Vertical output

鈥?Horizontal output

鈥?HDTV detection

鈥?81% to 90% Hsync blanking window (R5218)

鈥?70% to 90% Hsync blanking window (R5260)

鈥?Macrovision compatible

鈥?Available in 8 Ld SO package

鈥?Pb-Free plus anneal available (RoHS compliant)

Applications

鈥?High definition video equipment

Pinout

ISL59885

(8 LD SO)

TOP VIEW

COMPOSITE SYNC OUT 1

COMPOSITE VIDEO IN 2

VERTICAL SYNC OUT 3

GND 4

8 VDD

7 HORIZONTAL OUTPUT

6 CSET

5 HD

Demo Board

鈥?A dedicated demo board is available

1

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 漏 Intersil Americas Inc. 2005, 2006. All Rights Reserved.

All other trademarks mentioned are the property of their respective owners.

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