10

Power Analog Microelectronics, Inc

www.poweranalog.com

Notes

1. The AP AUX-0025 low pass filter is necessary for class-D amplifier measurement with AP analyzer.

2. Two 22µH inductors are used in series with load resistor to emulate the small speaker for efficiency

measurement.

Test Setup for Performance Testing

AP System One

Generator

PAM8620 Demo Board

+OUT

Input

Load

AP

Low Pass

Filter

AUX-0025

AP System Two

Analyzer

GND

-OUT

VCC

Power Supply

PAM8620

15W Stereo Class-D Audio Power Amplifier with Power Limit

10/2012 Rev1.0