The MAX98304EVKIT+ evaluation board is a fully assembled and tested circuit board that uses the MAX98304 unfiltered D-class amplifier to drive a speaker in portable audio applications. The evaluation board is designed to operate from a 2.5V to 5.5V DC power supply and is capable of providing 3.2W of power to a 4Ω load. The evaluation board accepts either differential or single-ended input signals.
This manual describes the MAX98304 evaluation board, which includes the MAX98304 audio amplifier IC in a compact evaluation kit. It lists the supplied components, explains the board layout, and details the required power supply and signal connections.
The document covers hardware setup, pin functions, gain configuration, and recommended component values. It also provides safety notes, regulatory compliance information, and troubleshooting tips for using the board with portable speakers or other audio loads.
| Supply Voltage | 2.5 V to 5.5 V |
|---|---|
| Gain Range | 0 dB to +12 dB |
The board operates from a supply voltage of 2.5 V to 5.5 V.
Gain is set via the JU3 pin and can be selected from 0 dB up to +12 dB.