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X98027L128-3.3-Z Datasheet

  • X98027L128-3.3-Z

  • 275MHz Triple Video Digitizer with Digital PLL

  • 298.90KB

  • 29页

  • INTERSIL

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庐
X98027
Data Sheet
May 26, 2005
FN8221.0
275MHz Triple Video Digitizer with
Digital PLL
The X98027 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鈥檚 275MSPS conversion
rate supports resolutions up to QXGA at 60Hz refresh rate,
while the front end's high input bandwidth ensures sharp
images at the highest resolutions.
To minimize noise, the X98027'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 275MSPS Analog-to-Digital Converters (ADCs).
Automatic Black Level Compensation (ABLC鈩? eliminates
part-to-part offset variation, ensuring perfect black level
performance in every application.
The X98027'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 275MHz
with sampling clock jitter of 250ps peak to peak.
Features
鈥?275MSPS maximum conversion rate
鈥?Low PLL clock jitter (250ps p-p @ 275MSPS)
鈥?64 interpixel sampling positions
鈥?0.35V
p-p
to 1.4V
p-p
video input range
鈥?Programmable bandwidth (100MHz to 780MHz)
鈥?2 channel input multiplexer
鈥?RGB and YUV 4:2:2 output formats
鈥?5 embedded voltage regulators allow operation from
single 3.3V supply and enhance performance, isolation
鈥?Completely independent 8 bit gain/10 bit offset control
鈥?CSYNC and SOG support
鈥?Trilevel sync detection
鈥?1.2W typical P
D
@ 275MSPS
鈥?Pb-free plus anneal available (RoHS compliant)
Applications
鈥?LCD Monitors and Projectors
鈥?Digital TVs
鈥?Plasma Display Panels
鈥?RGB Graphics Processing
鈥?Scan Converters
Simplified Block Diagram
Offset
DAC
ABLC鈩?/div>
Voltage
Clamp
RGB/YPbPr
IN
1
RGB/YPbPr
IN
2
3
3
PGA
+
8 or 16
8 bit ADC
x3
RGB/YUV
OUT
HSYNC
OUT
VSYNC
OUT
SOG
IN
1/2
HSYNC
IN
1/2
VSYNC
IN
1/2
Sync
Processing
Digital PLL
HS
OUT
PIXELCLK
OUT
AFE Configuration and Control
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-352-6832
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

X98027L128-3.3-Z 产品属性

  • 660

  • 集成电路 (IC)

  • 线性 - 视频处理

  • -

  • 视频数字转换器

  • 监控器，电视

  • *

  • *

  • *

  • *

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