MIKROE AudioAmp Click is a mikroBUS™ add-on board that functions as a mono audio amplifier. It is driven by a Texas Instruments LM48100Q-Q1 Boomer™ Mono, 1.3W Audio Power Amplifier IC.
AudioAmp Click has one 3.5 mm input jack and next to it screw terminals for connecting output wires to a passive speaker. It has dual audio inputs that can be mixed/multiplexed to the device output. Each input path has its own independent, 32-step volume control. The mixer, volume control and device mode selection are controlled through the mikroBUS™ I2C interface.
Fault detection is another important feature of LM48100Q. It senses the load conditions, protecting the device during short circuit events, as well as detecting open circuit conditions.
AudioAmp Click can work either on a 3.3V or a 5V power supply. There’s an additional jumper for selecting the I2C address as well. The open-drain output fault flag. FAULT is routed through the default mikroBUS™ INT pin (0 indicates that a fault condition has occurred).
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