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Power Architecture
Digital Supply
The ADSP-CM419F has two primary voltage domains: 3.3V and 5.0V. The 5.0V source can be selected to input
from the USB connector (J200) or from the connector interface (X401). The Analog Devices ADM7170ACPZ
provides 3.3V to the analog circuitry while the ADP2119 provides 3.3V to the digital circuitry.
Analog Front End
The Analog Front End is powered via 3.3V_ANA power supplies which fall in 3.3V domain. There are two main
connectors on the Boards X400 and X401, where the analog ADC channels are available on the X401 external
connector. See below the connections for the ADC inputs on X401.
Figure 3: External Analog Connector
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