Texas Instruments DAC53701EVM, User Manual, Page: 9 / 38

3 Detailed Description
3.1 Hardware Description
The following sections provide detailed information on the EVM hardware and jumper configuration settings.
3.1.1 Theory of Operation for the BOOSTXL-DAC-PORT
The BOOSTXL-DAC-PORT is a generic evaluation platform for catalog DACs that provides various options for
power supply, reference, communication interfaces, and GPIO for a DAC EVM. The DAC EVM interfaces with a
predefined set of signals common to a precision DAC. The block diagram of this board is shown in
Figure 3-1 .
External
Power
I
2
C
SPI/GPIO
SPI/GPIO
5 V / 3.3 V
Analog IO
Po
w
e
r
Ext
e
rn
a
l
R
e
fe
re
re
n
ce
DAC EVM Interface
Reference Jumper Settings
Power-Supply Jumper Settings
Digital Level
Translator
I
2
C Level
Translator
Analog and Power Supply Function Extender
L
a
u
n
ch
p
a
d
I
n
te
rf
a
ce
L
a
u
n
ch
p
a
d
I
n
te
rf
a
ce
Figure 3-1. BOOSTXL-DAC-PORT Hardware Block Diagram
3.1.1.1 Signal Definition of the BOOSTXL-DAC-PORT
The BOOSTXL-DAC-PORT provides hardware connectors for the TI Launchpad (J13, J14), external power
(J12), the DAC53701EVM (J1, J2), and the external function extender (J4, J5). The descriptions are provided in
Table 3-1 through Table 3-5 .
www.ti.com Detailed Description
SLAU841 – OCTOBER 2020
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