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SPT1019AIN

8-BIT, HIGH SPEED D/A CONVERTER

Signal Processing Technologies 

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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