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BUF18830EVM Software
2.3.2
Measuring the Power Supply
You must measure the power supply (V
enter it in the V
SUP
The voltage out of each DAC is calculated according to the V
according to
Equation
V
?
S
V
=
DAC_CHANNEL
For example, changing the value in the channel 6 cell immediately changes the output of channel 6 to
0.996V.
Example: Channel 6: Code 44 (hexadecimal) = 68 (decimal)
15V
V
=
DAC_CHANNEL
1024
2.3.3
Read DAC Button
By pressing the Read DAC button in the BUF18830EVM software, all of the BUF18830 DAC/V
registers are read to obtain the respective current register contents. Once the read procedure is complete,
all of the corresponding text boxes are updated to show the current values present in the DAC/V
registers.
18
BUF18830EVM User Guide and Software Tutorial
) with respect to the GND on the BUF18830EVM test board and
S
field located in the top section of the software interface, as shown in
Figure 18. Measuring and Entering Power-Supply Voltage
1.
Code_in_decimal
1024
68
?
= 0.996V
Copyright © 2011–2016, Texas Instruments Incorporated
value entered. The calculation is performed
S
SBOU103A – April 2011 – Revised May 2016
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www.ti.com
Figure
18.
(1)
COM
COM
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