SBASAP7 December 2024 ADC3664-SP
PRODUCTION DATA
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The ADC3664-SP requires two different power supplies. The AVDD supply provides power for the internal analog circuits and to the ADC while the IOVDD supply powers the digital interface and the internal digital circuits. Power sequencing is not required.
A low noise power supply should supply the AVDD rail to achieve data sheet performance.
There are two recommended power-supply architectures:
The TPS7H4002-SP is recommended as the first stage radiation hardened switching regulator. The switching regulator can be followed by either the TPS7A4501-SP or the TPS7H1111-SP which are both space hardened LDOs.