The AFE031 is a low-cost, integrated, power line communications (PLC) analog front-end (AFE) device that is capable of capacitive- or transformer-coupled connections to the power line while under the control of a DSP or microcontroller. This device is an excellent choice for driving low impedance lines that require up to 1.5A into reactive loads. The integrated receiver is able to detect signals down to 20μV_RMS and is capable of a wide range of gain options to adapt to varying input signal conditions. This monolithic integrated circuit provides high reliability in demanding power line communications applications.

The AFE031 transmit power amplifier operates from a single supply in the range of 7V to 24V. At maximum output current, a wide output swing provides a 12V_PP (I_OUT = 1.5A) capability with a nominal 15V supply. The analog and digital signal processing circuitry operates from a single 3.3V power supply.