Micro-USB
(Type B)
Connector
USB (1:2) MUX
(TS3USB221E)
Data
3.3V
High-Speed USB
2.0 tranceiver
(USB3320C)
TIVA MCU
(TM4C1294NCPDT)
ULPI
Standard-speed USB 2.0
1.8V
3.3V
Buttons
LEDs
3.3V
256K EEPROM
(Not Installed)
I2C
S
P
I/
I2
C
/UA
R
T
/GP
IO
USB Power
ADC
3.3V
Analog Inputs
+ RC Filters
Voltage reference
(Not Installed)
Analog
Supply
Switch
5V
+/-2.5V
Bridge Driver
Fault LED
Bipolar Power
Supplies
3.3V
5V
Analog Headers
Power Jack
(Not Installed)
Level-shifters
(TXS0108E)
Analog side
Digital side
SPI / GPIO
Power Management
3.3V
5V
1.8V
+/-2.5V
JTAG Header
(Not Installed)
EVM Bill of Materials, PCB Layouts, and Schematics
www.ti.com
22
SBAU293 – March 2018
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Copyright © 2018, Texas Instruments Incorporated
ADS1261 and ADS1235 Evaluation Module
ADVANCE INFORMATION
5.3
Schematic
Figure 13
through
Figure 20
illustrate the ADS1261EVM schematics.
Figure 13. ADS1261EVM Block Diagram Schematic
