ISL98001
Key Features
®
Data Sheet
October 25, 2005
FN6148.0
Triple Video Digitizer with Digital PLL
Features
The ISL98001 3-channel, 8-bit Analog Front End (AFE)
contains all the functions necessary to digitize analog YPbPr
video signals and RGB graphics signals from DVD players,
digital VCRs, video set-top boxes, and personal computers.
This product family’s conversion rates support HDTV
resolutions up to 1080p and PC monitor resolutions up to
UXGA and QXGA, while the front end's programmable input
bandwidth ensures sharp, clear images at all resolutions.
• 140MSPS, 170MSPS, 210MSPS, 240MSPS, and
275MSPS maximum conversion rates
• Glitchless Macrovision®-compliant sync separator
• Extremely fast recovery from VCR head switching
• Low PLL clock jitter (250ps p-p @ 170MSPS)
• 64 interpixel sampling positions
• 0.35V
to 1.4V
video input range
p-p
p-p
To maximize performance with the widest variety of video
sources, the ISL98001 features a fast-responding digital PLL
(DPLL), providing extremely low jitter with PC graphics signals
and quick recovery from VCR head switching with video
signals. Integrated HSYNC and SOG processing eliminate the
need for external slicers, sync separators, Schmitt triggers,
and filters.
• Programmable bandwidth (100MHz to 780MHz)
• 2 channel input multiplexer
• RGB 4:4:4 and YUV 4:2:2 output formats
• 5 embedded voltage regulators allow operation from
single 3.3V supply and enhance performance, isolation
Glitchless, automatic Macrovision®-compliance is obtained
by a digital Macrovision® detection function that detects and
automatically removes Macrovision® from the HSYNC
signal.
• Completely independent 8-bit gain/10-bit offset control
• Pb-free plus anneal available (RoHS compliant)
Applications
• Digital TVs
Ease-of-use is also emphasized with features such as the
elimination of PLL charge pump current/VCO range
programming and single-bit switching between RGB and
YPbPr signals. Automatic Black Level Compensation
(ABLC™) eliminates part-to-part offset variation, ensuring
perfect black level performance in every application.
• Projectors
• Multifunction monitors
• Digital KVM
• RGB graphics processing
The ISL98001 is fully backwards compatible (hardware and
software) with the X980xx family of AFEs.
Simplified Block Diagram
Offset
DAC
ABLC™
Voltage
Clamp
3
RGB/YPbPrIN1
8 or 16
x3
RGB/YUVOUT
8 bit ADC
PGA
3
+
RGB/YPbPrIN2
HSYNCOUT
VSYNCOUT
SOGIN1/2
Sync
HSOUT
HSYNCIN1/2
VSYNCIN1/2
Digital PLL
PIXELCLKOUT
Processing
AFE Configuration and Control
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. 2005. All Rights Reserved
1
All other trademarks mentioned are the property of their respective owners.
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