Linear Technology DC2025A Demo Manual page 2

DEMO MANUAL DC2025A
QUICK START PROCEDURE
Download and install QuikEval™ from:
http://www.linear.com/designtools/software/#Data
Connect a DC590 controller or DC2026 Linduino with
DC590 emulator firmware to the DC2025A with the supplied
ribbon cable. Connect low-noise analog power supplies
as shown in Figure 1. A ±15V supply will allow all of the
SoftSpan ranges to be used, refer to the LTC2668 data
sheet for other supply options if not all SoftSpan ranges
are used.
2
Connect the controller to the host PC's USB port and run
QuikEval. The DC2025A software will be downloaded and
installed, after which a jumper setting window will appear
as shown in Figure 2. The default settings are internal
reference, SoftSpan operation with 0V to 5V range, 0V
output on power-up. If the jumpers on the board have been
changed to a different configuration, select the appropri-
ate options in the pull-down menus to match the board.
Click OK and the main dialog will appear. The control panel
gives access to all of the LTC2668's functionality includ-
ing per-channel SoftSpan ranges, toggling, Power-Down,
etc. Detailed instructions are provided in the Help menu.
Figure 2. Jumper Settings Dialog
dc2025afa