The THAT340P14-U is a 40V low noise matched Transistor Array with 2 matched NPN transistors and 2 matched PNP transistors. It exhibits both high speed and low noise with excellent parameter matching between transistors of the same gender. It is suited for low noise amplifier input stages and log amplifiers applications. Fabricated in a dielectrically isolated, complementary bipolar process, each transistor is electrically insulated from the others by a layer of insulating oxide (not the reverse-biased PN junctions used in conventional arrays). They exhibit inter-device crosstalk and DC isolation similar to that of discrete transistors. The resulting low collector to substrate capacitance produces a typical PNP fT of 325MHz.
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