Supertex has introduced the MD3880, a four-channel, low-noise amplifier (LNA) with a variable gain amplifier (VGA). The IC features very low current (0,35 pA/sqrtHz) and voltage (0,74 nV/sqrtHz) noises and linear-in-dB continuous variable gain control. It has fully differential inputs and outputs that deliver a high common-mode noise rejection ratio. The IC also has a programmable gain amplifier (PGA) with four discrete gain settings. The output of the LNA is fed directly into the VGA, eliminating the need for an external coupling capacitor. The MD3880 is available in an 84-lead BCC+ package (MD3880B2-G). The part is Green and RoHS compliant.
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