The MD1715 and TC8020 ultrasound driver chipset from Supertex (Sunnyvale, CA) generates a five level waveform for high-resolution imaging in medical ultrasound applications. The MD1715 is a two-channel logic controller circuit with 12 low impedance, high speed, MOSFET gate drivers. It has two sets of control logic inputs, each set containing three pairs of MOSFET gate drivers designed to tightly match the drive requirements of the TC8020. The TC8020 is the output stage of the pulser, with six pairs of N- and P-channel MOSFETs. It is designed to have high input impedance and provides typical peak currents of ±3.5 amps at 200V and fast switching speed. The MD1715 is available in a 40-lead QFN package (MD1715K6-G) and the TC8020 is available in a 56-lead QFN package (TC8020K6-G).
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