ZHCSM31B September 2020 – March 2022 ADC3660
PRODUCTION DATA
The ADC3660 includes an internal auto-zero front end amplifier circuit which improves the 1/f flicker noise. This auto-zero feature can be enabled using SPI register writes (register 0x11, D0).
Figure 8-8 FFT at 25 MSPS with input frequency of 5 MHz (auto-zero feature enable vs disable, 4M point FFT)
Figure 8-10 FFT at 65 MSPS with input frequency of 5 MHz (auto-zero feature enable vs disable, 4M point FFT)
Figure 8-9 FFT at 25 MSPS with input frequency of 5 MHz (auto-zero feature enable vs disable, 4M point FFT)
Figure 8-11 FFT at 65 MSPS with input frequency of 5 MHz (auto-zero feature enabled vs disabled, 4M point FFT)