Evaluation Kit for the MAX9709

Active: In Production.

The MAX9709 evaluation kit (EV kit) is a fully assembled and tested circuit board that configures the MAX9709 Class D amplifier to drive 25W into each of two 8Ω speakers in stereo mode, or 50W into a single 4Ω speaker in mono mode. The EV kit’s speaker outputs can be filterless to minimize the circuit area or can be filtered to ease evaluation.

The EV kit operates from a 10V DC to 22V DC power supply. The MAX9709 EV kit accepts single-ended or differential input signals, and provides fully differential outputs. The EV kit provides an option to select between +22dB, +25dB, +29.5dB, or +36dB gains. The MAX9709 EV kit offers an option to select between fixed-frequency modulation (FFM) mode or spread-spectrum modulation (SSM) mode.

The MAX9709 EV kit provides a thermal flag that can be programmed for eight different thermal thresholds. The MAX9709 EV kit can be synchronized with an external clock. Additionally, the EV kit provides a synchronous output that allows units to be cascaded and frequency locked in a multiamplifier system.

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