• Remove (DNI): C3, C6, R7, R8
Figure 6-2. CHA FDA Component modification
The FDA is setup with a gain of 2.5, and can be adjusted (R78, R84, R86 and R94) as the application requires.
There is a 20 MHz LPF on the output of the FDA, and these components (C52, L11,L12 and C53) can be
adjusted as the application requires. The termination resistors (R80, R81, R89 and R90) can be adjusted
according to the source impedance.
Figure 6-3. FDA schematic
For further information on the THS4541 FDA, please refer to the
FDA Configuration
SBAU360 – DECEMBER 2020
ADC368xEVM Evaluation Module
25
Copyright © 2020 Texas Instruments Incorporated