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 8
speakers in stereo mode, or 50W into a single 4 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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