49.3 External Analog Reference Connections

The following schematic checklist is only necessary if the application is using the external analog reference. If the internal reference is used instead, the following circuits are not necessary.

Figure 49-3. External Analog Reference Schematic

Table 49-2. External Analog Reference Connections
Signal Name	Recommended Pin Connection	Description
VREFA	Decoupling/filtering capacitors: 100nF⁽¹⁾	External reference for DAC, ADC and AC.
GND	—	Ground

Note:

Refer to Power Supply Electrical Specifications from the Electrical Characteristics chapter for recommended values and placement.

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