SPT1018BIN

SPT1018 8-BIT, HIGH SPEED D/A CONVERTER FEATURES • 275 MWPS Conversion Rate - Version A • 165 MWPS Conversion Rate - Version B • Compatible with TDC1018 and HDAC10180 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 • 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 SPT1018 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 SPT1018 directly drives doublyterminated 50 or 75 ohm loads to standard composite video levels. The standard set-up level is 7.5 IRE. The SPT1018 is pin-compatible with the HDAC10180 and the TDC1018, with improved performance. The SPT1018 contains data and control input registers, video control logic, reference buffer, and current switches. The SPT1018 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 Video Data In 4 4 4 4 Out + Register Video Data In D4 - D7 (MSBs) 4 Output Current Switches Out - 4 To 15 Decode Feedthrough Convert 2 Ref+ Ref- Ref Buffer Comp ABSOLUTE MAXIMUM RATING (Beyond which damage may occur)1 Supply Voltages VEE (measured to VCC) ............................... -7.0 to 0.5 V Input Voltages CONV, Data, and Controls .......................... V EE to 0.5 V (measured to VCC) Ref+ (measured to VCC) .............................. V EE to 0.5 V Ref- (measured to VCC) ............................... V EE to 0.5 V Temperature Operating, ambient ................................ -25 to +85 °C junction ......................................... +175 °C Lead, Soldering (10 seconds) ............................. +300 °C Storage ..................................................... -60 to +150 °C Note: 1. Operation at any Absolute Maximum Ratings is not implied. See Electrical Specifications for proper nominal applied conditions in typical applications. ELECTRICAL SPECIFICATIONS VCC =ground, VEE = -5.2 V ±0.3 V, TA =TMIN to TMAX , CC = 0 pF, ISet = 1.105 mA, unless otherwise specified. PARAMETERS TEST CONDITIONS TEST LEVEL MIN TYP MAX UNITS DC ELECTRICAL CHARACTERISTICS Integral Linearity Error Differential Linearity Error Gain Error Gain Error Tempco Input Capacitance, REF+, REFCompliance Voltage, +Output Compliance Voltage, -Output Equivalent Output Resistance Output Capacitance Maximum Current, + Output Maximum Current, - Output Output Offset Current Input Voltage, Logic HIGH Input Voltage, Logic LOW Convert Voltage, Common Mode Range (VICM) Convert Voltage, Differential (VIDF) Input Current, Logic LOW, Data and Controls Input Current, Logic HIGH, Data and Controls Input Current, Convert 1.0 mA