SLOSE89A November 2021 – March 2022 THS4541-DIE
PRODUCTION DATA
In this example design, an impedance matched input assuming a 50-Ω source is implemented with a DC-coupled gain of 2 V/V to the ADC. This configuration effectively reduces the required full-scale input to ±0.5 V for a 2-VPP full-scale input ADC. Add a low insertion-loss interstage filter to the ADC to control the broadband noise where the goal is to show minimal SNR reduction in the FFT, as well as minimal degradation in SFDR performance.