Texas Instruments manual EVM Performance, DAC8555EVM-Drill Drawing

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PCB Design and Performance

Figure 8. DAC8555EVM—Drill Drawing

2.2EVM Performance

The EVM performance test is executed using a high-density DAC bench test board, an Agilent 3458A digital multimeter and a PC running LabVIEW™ software. The EVM board is tested for linearity for all codes between 485 and 64741. The DUT is then allowed to settle for 1ms before the meter is read. This process is repeated for all codes to generate the measurements for INL and DNL.

Results of the DAC8555EVM tests are shown in Figure 9 through Figure 12.

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DAC8555EVM User's Guide

SLAU204 –December 2006

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Contents DAC8555EVM Users Guide Overview PCB Design and Performance EVM Operation Schematic Supply Voltage FeaturesPower Requirements Reference VoltageEVM Basic Functions DAC8555EVM Functional Block Diagram PCB Design and Performance PCB LayoutDAC8555EVM PCB-Top Silkscreen Image DAC8555EVM PCB-Layer 2 Ground Plane DAC8555EVM PCB-Layer 4 Bottom Signal Layer EVM Performance DAC8555EVM-Drill DrawingINL and DNL Characterization Graph of DAC a INL and DNL Characterization Graph of DAC B INL and DNL Characterization Graph of DAC C INL and DNL Characterization Graph of DAC D DAC8555EVM Parts List Bill of MaterialsHost Processor Interface Default SettingsFactory Default Jumper Settings EVM StackingOutput Op Amp DAC Output Channel MappingUnity Gain Output Unity Gain Output Jumper SettingsOutput Gain of 2 Jumper Settings Output GainCapacitive Load Drive Output Jumper Settings Optional Signal Conditioning Op-Amp U4BJumper Settings Jumper Settings and FunctionsReference JMP12 JMP13 JMP14 JMP15 JMP16 Schematic Ti a FCC Warning Evaluation BOARD/KIT Important NoticeImportant Notice