Intel® 865G/865GV Chipset Datasheet - download.intel.nl - Intel

Electrical Characteristics6.6 DACThe GMCH DAC (digital-to-analog converter) consists of three, identical 8-bit DACs to providered, green, and blue color components.6.6.1 DAC DC CharacteristicsTable 39. DAC DC CharacteristicsParameter Min Typical Max Units NotesDAC Resolution 8 Bits 1Max Luminance (full-scale) 0.665 0.700 0.770 V 1, 2, 4, white video level voltageMin Luminance 0.000 V 1, 3, 4, black video level voltageLSB Current 73.2 µA 4, 5Integral Linearity (INL) –1.0 +1.0 LSB 1Differential Linearity (DNL) –1.0 +1.0 LSB 1Video channel-channel voltageamplitude mismatch6 % 6MonotonicityGuaranteedNOTES:1. Measured at each R,G,B termination according to the VESA Test Procedure – Evaluation of Analog DisplayGraphics Subsystems Proposal (Version 1, Draft 4, December 1, 2000).2. Max steady-state amplitude.3. Min steady-state amplitude.4. Defined for a double 75 Ω termination.5. Set by external reference resistor value.6. Max full-scale voltage difference among R,G,B outputs (percentage of steady-state full-scale voltage).6.6.2 DAC Reference and Output SpecificationsTable 40. DAC Reference and Output SpecificationsParameter Min Typical Max Units Notes 1Reference resistor 124 127 130 Ω 1% tolerance, 1/16 ΩNOTE:1. Refer to the Intel ® 865G/865GV/865PE/865P Chipset Platform Design Guide for details on video filterimplementation.194 Intel ® 82865G/82865GV GMCH Datasheet