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
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
Detailed Description
10
TPL1401 Evaluation Module
SNAU257 – OCTOBER 2020
Copyright © 2020 Texas Instruments Incorporated
