Refin_A And Refin_B Reference Connections - Texas Instruments ADS8350EVM-PDK User Manual

EVM Analog Interface
2.3 ADS8350EVM Onboard Reference
The ADS8350 dual, simultaneous ADC operates with reference voltages V
REFIN_A and REFIN_B, respectively. The ADS8350EVM provides an onboard 2.5-V reference source,
REF5025 (U5), buffered with a dual OPA2350 amplifier and routed through jumpers JP5 and JP6. By
default, the EVM is set up with jumpers JP5 and JP6 installed, as shown in
2.5 V from
REF5025
6
ADS8350EVM-PDK
1 k 
0.22 
1 µF
10 µF
Figure 4. REFIN_A and REFIN_B Reference Connections
Copyright © 2014, Texas Instruments Incorporated
5 V
JP5 / JP6
OPA2350
A/B
+
SBAU218A – April 2014 – Revised October 2014
www.ti.com
and V present on pins
ref_A ref_B
Figure 4.
REFIN-A / REFIN-B
0.22 
10 µF
Submit Documentation Feedback