PAM8403H

Document number: DSxxxxx Rev. 1 - 0

9 of 11

www.diodes.com

November 2012

© Diodes Incorporated

PAM8403H

A Product Line of

Diodes Incorporated

How to Reduce EMI (Electro Magnetic Interference)

A simple solution is to put an additional capacitor 1000µF at power supply terminal for power line coupling if the traces from amplifier to speakers

are short (<20cm).

Most applications require a ferrite bead filter as shown in Figure 2. The ferrite filter reduces EMI of around 1MHz and higher. When selecting a

ferrite bead, choose one with high impedance at high frequencies, and low impedance at low frequencies.

Figure 2. Ferrite Bead Filter to Reduce EMI

Ordering Information

Part Number

Part Marking

Package Type

Standard Package

PAM8403DR-H

PAM8403

XXXYWWLL

SOP-16

2500 Units/Tape&Reel