Power Supplies
4
Power Supplies
The analog portion of the ADS8350EVM-PDK requires a 5-V supply. The ADS8350EVM-PDK is
configured at the factory using the onboard regulated analog 5-V supply (+VA); and an onboard 3.3-V
digital supply. Alternatively, set the AVDD analog supply voltage by connecting an external power source
through two-terminal connector J5.
lists the configuration details for P3.
Table 4. Power-Supply Jumpers
Terminal Number
Position
Function
Shunt 2-3 (default)
Onboard 5-V AVDD analog supply selected
JP12
External 5-V AVDD connected through two-terminal
Shunt 1-2
block J5
Open (default)
Open sets onboard AVDD supply to 5 V
JP11
Closed
Closed sets onboard AVDD supply to 5.2 V
CAUTION
The external AVDD supply applied to external two-terminal connector J5 must
not exceed 5.5 V or device damage may occur. The external AVDD supply
must be in the range of 5.0 V to 5.5 V for proper ADS8350EVM operation.
8
ADS8350EVM-PDK
SBAU218A – April 2014 – Revised October 2014
Copyright © 2014, Texas Instruments Incorporated