SPT1019 데이터 시트보기 (PDF) - Signal Processing Technologies
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SPT1019 Datasheet PDF : 12 Pages
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SPT1019
8-BIT, HIGH SPEED D/A CONVERTER
FEATURES
• 275 MWPS Conversion Rate - Version A
• 165 MWPS Conversion Rate - Version B
• Compatible with the HDAC10181
with Improved Performance
• RS-343-A Compatible
• Complete Video Controls: Sync, Blank, Bright
and Reference White (Force High)
• 10KH, 100K ECL Compatible
• Single Power Supply
• Registered Data and Video Controls
• Differential Current Outputs
• Stable On-Chip Bandgap Reference
• ESD Protected Data and Control Inputs
APPLICATIONS
• High Resolution Color or Monochrome Raster
Graphics Displays
• Medical Electronics: CAT, PET, MR Imaging Displays
• CAD/CAE Workstations
• Solids Modeling
• General Purpose High-Speed D/A Conversion
• Digital Synthesizers
• Automated Test Equipment
• Digital Transmitters/Modulators
GENERAL DESCRIPTION
The SPT1019 is a monolithic 8-bit digital-to-analog converter
capable of accepting video data at a 165 or 275 MWPS rate.
Complete with video controls (Sync, Blank, Reference White
[Force High], Bright), the SPT1019 directly drives doubly-
terminated 50 or 75 ohm loads to standard composite video
levels. The standard setup level is 7.5 IRE. The SPT1019 is
pin-compatible with the HDAC10181 with improved perfor-
mance. The SPT1019 contains data and control input regis-
ters, video control logic, reference buffer, and current
switches.
The SPT1019 is available in a 24-lead PDIP package in the
industrial temperature range. Contact the factory for military
temperature and /883 versions.
BLOCK DIAGRAM
Sync, Blank, Bright, Ref - High
Video Controls In
D0 - D3
4
Video Data In
4
Video Data In
D4 - D7
4
(MSBs)
4 To 15
Decode
4
4
Register
Feedthrough
Convert
ISet
Ref Out
Bandgap
Reference
2
Ref
Buffer
Output
Current
Switches
Out +
Out -
Comp
Signal Processing Technologies, Inc.
4755 Forge Road, Colorado Springs, Colorado 80907, USA
Phone: (719) 528-2300 FAX: (719) 528-2370
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