10 Power Supply Recommendations

Power the device with the nominal supply voltages as indicated in the Recommended Operating Conditions.

In most instances, the best performance is achieved with LDO supplies. However, the supplies may be driven with direct outputs from a DC/DC switcher, as long as the noise performance of the switcher is acceptable.

For best performance:

• Use at least two power layers.
• Avoid placing digital supplies and clean supplies on adjacent board layers.
• Use a ground layer between noisy and clean supplies, if possible.
• Decouple all supply pins as close to the pins as possible, using small-value capacitors, with larger , bulk capacitors placed further away.