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SPT5140 Datasheet, PDF (1/12 Pages) List of Unclassifed Manufacturers – 8-BIT, ULTRAHIGH-SPEED D/A CONVERTER | |||
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SPT
SIGNAL PROCESSING TECHNOLOGIES
SPT5140
8-BIT, ULTRAHIGH-SPEED D/A CONVERTER
FEATURES
⢠400 MWPS nominal conversion rate
⢠RS-343-A compatible
⢠Complete video controls: Sync, Blank, Bright
and Reference White (Force High)
⢠10 KH, 100K ECL compatible
⢠Single power supply
⢠Registered data and video controls
⢠Differential current outputs
⢠Stable on-chip bandgap reference
⢠50 and 75 ohm output drive
⢠ESD-protected data and control inputs
APPLICATIONS
⢠Raster graphics
⢠High-resolution color or monochrome displays
to 2k x 2k pixels
⢠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 SPT5140 is a monolithic 8-bit digital-to-analog con-
verter capable of accepting video data at 400 MWPS.
Complete with video controls â Sync, Blank, Reference
White (Force High), Bright â the SPT5140 directly drives
doubly-terminated 50 or 75 ohm loads to standard com-
posite video levels. Standard set-up level is 7.5 IRE. The
SPT5140 includes an internal precision bandgap refer-
ence which can drive two other SPT5140s in an RGB
graphics system.
The SPT5140 is available in a 24-lead PDIP package in
the industrial temperature range of â25 °C to +85 °C.
Contact the factory for military temperature and /883
versions.
BLOCK DIAGRAM
Sync, Blank, Bright, Ref â White
Video Controls In
4
Video Data In
D0âD3
4
4 to 15
Video Data In
D4âD7
4
Decode
(MSBs)
4
4
Register
Output
Current
Switches
Out +
Out â
Feedthrough
Convert
ISet
Ref In
Ref Out
2
Ref
Buffer
Bandgap
Reference
Signal Processing Technologies, Inc.
4755 Forge Road, Colorado Springs, Colorado 80907, USA
Phone: (719) 528-2300 FAX: (719) 528-2370 Website: http://www.spt.com E-Mail: sales@spt.com
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