
1
FN8217.3
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
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Copyright Intersil Americas Inc. 2005, 2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
X98014
140MHz Triple Video Digitizer with
Digital PLL
The X98014 3-channel, 8-bit Analog Front End (AFE)
contains all the components necessary to digitize analog
RGB or YUV graphics signals from personal computers,
workstations and video set-top boxes. The fully differential
analog design provides high PSRR and dynamic
performance to meet the stringent requirements of the
graphics display industry. The AFE’s 140MSPS conversion
rate supports resolutions up to SXGA at 75Hz refresh rate,
while the front end's high input bandwidth ensures sharp
images at the highest resolutions.
To minimize noise, the X98014's analog section features 2
sets of pseudo-differential RGB inputs with programmable
input bandwidth, as well as internal DC restore clamping
(including mid-scale clamping for YUV signals). This is
followed by the programmable gain/offset stage and the
three 140MSPS Analog-to-Digital Converters (ADCs).
Automatic Black Level Compensation (ABLC
)
eliminates
part-to-part offset variation, ensuring perfect black level
performance in every application.
The X98014's digital PLL generates a pixel clock from the
analog source's HSYNC or SOG (Sync-On-Green) signals.
Pixel clock output frequencies range from 10MHz to 140MHz
with sampling clock jitter of 250ps peak to peak.
Features
140MSPS maximum conversion rate
Low PLL clock jitter (250ps p-p @ 140MSPS)
64 interpixel sampling positions
0.35V
p-p
to 1.4V
p-p
video input range
Programmable bandwidth (100MHz to 780MHz)
2 channel input multiplexer
RGB and YUV 4:2:2 output formats
5 embedded voltage regulators allow operation from
single 3.3V supply and enhance performance, isolation
Completely independent 8 bit gain/10 bit offset control
CSYNC and SOG support
Trilevel sync detection
990mW typical P
D
@ 140MSPS
Pb-free plus anneal available (RoHS compliant)
Applications
LCD Monitors and Projectors
Digital TVs
Plasma Display Panels
RGB Graphics Processing
Scan Converters
Simplified Block Diagram
RGB/YPbPr
IN
1
PGA
8 bit ADC
Offset
DAC
ABLC
8 or 16
x3
SOG
IN
1/2
HSYNC
IN
1/2
VSYNC
IN
/2
Sync
Processing
Digital PLL
Voltage
Clamp
RGB/YPbPr
IN
2
3
3
RGB/YUV
OUT
PIXELCLK
OUT
HS
OUT
HSYNC
OUT
VSYNC
OUT
AFE Configuration and Control
+
Data Sheet
March 8, 2006
NOT RECOMMENDED FOR NEW DESIGNS -
THE ISL98001-140 IS A 100% COMPATIBLE
IMPROVED ALTERNATIVE