The MAX3558 broadband quad-output low-noise amplifier(LNA) is designed for digital set tops and digital terrestrialapplications. The LNA covers a 50MHz to878MHz input frequency range, while integrating a separateautomatic gain-control (AGC) function with over30dB of control range for each of four balanced outputs.Each output has its own shutdown control toreduce power consumption when not used. TheMAX3558 also includes a power detector that can beused to close the loop on any of the AGCs to preventoverload conditions. The LNA’s attack point isadjustable with an external resistor. The MAX3558 isavailable in a very small 28-pin QFN package withexposed paddle (EP).ApplicationsDigital Set-Top BoxesDigital Terrestrial ReceiversTuner Preamps
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