IC/Module: Si4703 FM Radio Tuner
FM Click Board™ incorporates Si4703 IC that enables the user to add FM radio reception to mobile devices while providing superior performance, simplified programming interface and mature functionality. Known to be the industry's smallest footprint FM tuner IC, Si4703 IC uses your headphone cable as an FM antenna plugged into the boards 3.5mm audio connector.
LM4864 Audio Amplifier
LM4864 is a bridged audio power amplifier designed with thermal shutdown protection circuitry. Highly suitable for low-power portable applications, LM4864 power amplifier is designed to specifically provide outstanding output power from a low supply voltage, using a minimal amount of external components.
Earphones and Antenna
FM Click Board™ uses the headphone cable as an FM antenna (recommended length between 1.1 and 1.45 meters), which is plugged into the boards 3.5mm audio connector. Earphones are not included in the package.