Main Window - Analog Devices DC2904A-B User Manual

User Guide
GETTING STARTED

MAIN WINDOW

In the main ACE evaluation software window (see
channel can be controlled. Various settings for the LTC2686 are
available in this window, allowing the user to configure the output
range, output voltage, gain adjustment, offset adjustment, toggle
options, and dither options of each channel.
Refer to the LTC2686 data sheet for more information on the
device features associated with the different tab functions that are
described in the following sections.
Reference Configuration
The DC2904A-B uses the LTC2686 internal reference to set the
full-scale range. To apply an external reference, click the box
labeled Reference Select (see
Setting the Channel Output Range
To set the output range for a specific channel on the LTC2686,
1. Select the channel from the Channel Select dropdown box.
2. Select the desired range for the selected channel using the
Span selection dropdown box (see
Setting the Channel Voltage Value
To set the output voltage for a specific channel on the LTC2686,
analog.com
Figure 5. ACE Evaluation Software Main Window
Figure 5), each
Figure 5).
Figure 5).
1. Select the channel from the Channel Select dropdown box.
2. Type the desired value into the Register A text box (see
Figure 5).
Toggling Between A and B Output Registers
Each channel has two output registers that can be written inde-
pendently.
1. Click the Register A or Register B option to select the register
to write to.
2. Type the desired hexadecimal value into the Register A (or
Register B) text box (see
Settling Offset and Gain Values
Each channel can have an offset and gain value applied to the
output. The value is applied to each channel independently.
1. Select the channel from the Channel Select dropdown box.
2. Type the desired hexadecimal offset or gain adjust value into
the Offset Adjust or Gain Adjust text boxes (see
Enabling Toggle Mode
Toggle mode can be enabled by selecting the Enable Toggle/Dith-
er Functionality check box (see
the toggle view shown in Figure
applied to the selected pin or supplied internally.
DC2904A
Figure 5).
Figure
Figure 5). This check box enables
6. The toggle signal can then be
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5).