Data Translation DT9820 Series, User Manual

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Principles of Operation
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Analog Input Features
The DT9820 Series function modules contain four separate analog
input (A/D) subsystems that can be run simultaneously or
independently from one another.
This section describes the features of each A/D subsystem, including
the following:
• Input resolution, described on this page;
• Analog input channels, described on this page;
• Input ranges and gains, described on page 10 ;
• A/D sample clock sources, described on page 12 ;
• Analog input conversion modes, described on page 15 ;
• Triggers, described on page 14 ;
• Data formats, described on page 16 ;
• Data transfer, described on page 19 ;
• Error conditions, described on page 20 ; and
• Synchronizing A/D subsystems, described on page 20 .
Input Resolution
The analog input resolution of the DT9820 Series function modules is
fixed at 24 bits.