AD5820 查看數據表（PDF） - Analog Devices
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AD5820 Datasheet PDF : 6 Pages
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Mode 1 (Slow Ramp Mode) and Mode 2 (Fast Ramp Mode)
Figure 4 shows the options for Mode 1 and Mode 2. Mode 1 is labeled Slow ramp Mode
and allows the user to set the time between LSB steps at the output. Mode 2 is labeled
Fast Mode and allows the user to employ the 64/16 ramp mode described in the text
preceeding this section. When Modes 1 or Mode 2 are employed the output is controlled
automatically by the AD5820 and further I2C writes from the user are not required.
Demo Mode
The GetMoving software allows the user to go to demo mode. This is a feature which
allows the user to set the maximum and minimum current limits at the ouput and the time
between each step. Again in this mode the user is allowed the flexibility to employ all
output modes. Figure 4 shows the default window in demo mode, Figure 5 shows options
in demo mode for ramp control. To exit demo mode the user must hit STOP to return to
the GetMoving Front Panel.
Figure 4. Demo Mode Panel
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