EV1740EC-00A – 3W HIGH EFFICIENCY MONO CLASS D AUDIO AMPLIFIER EVB

NOTICE:

The information in this document is subject to change without notice. Users should warrant and guarantee that third

party Intellectual Property rights are not infringed upon when integrating MPS products into any application. MPS will not

assume any legal responsibility for any said applications.

EV1740EC-00A Rev. 1.0

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10/19/2011

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f

Connect the outputs to the external speakers.

g

Ensure that the jumper JP1 is installed for active mode, or leave JP1 open and drive EN pin with

the external TTL level logic.

h

Verify that no shunt is across jumper JP2 for differential input mode, it’s installed only for single-

2. Power on

a

Verify correct voltage and input polarity and set the external power supply to on

b

Adjust the input signal source level as needed. Then audio should be heard from the speaker.