Посмотрите в сторону продукции "Supertex",например - MD2134 (High Speed Ultrasound Beamforming Source Driver). MD2134
Features
► Multiple-level ultrasound pulser
► Fast switching current source for push-pull topology
► 250MHz maximum frequency, 4.0ns input to output delay
► 15 independent programmable output level registers
► Pulse amplitude modulation (PAM) with 8-bit resolution
► 8-bit apodization DAC for peak output current via SPI
► Very low second order harmonic distortion
► Picoseconds time-jitter from input to output
► Fast SPI write and read-back of level & DAC registers
► +5.0V power supply, 2.5V CMOS logic interface
► Drives DN2625 MOSFETs output up to 230V P-P
► Programmable aperture windowing