FEATURES
►► HVCMOS technology for high performance ►► High density integrated ultrasound transmitter ►► 0 to ±60V output voltage ►► ±1.0A source and sink current in pulse mode ►► ±1.0A source and sink current in RTZ mode ►► Up to 20MHz operating frequency ►► Matched delay times ►► Optional clock re-alignment ►► 3.3V CMOS logic interface and reference ►► +3.3V low voltage supply for VDD ►► Built-in linear regulators for floating gate driver ►► Built-in output drain diodes & bleed resistors Application ►► Portable medical ultrasound imaging ►► Piezoelectric transducer drivers ►► Pulse waveform generator GENERAL DESCRIPTION
The Supertex HV7350 consists of a controller logic interface circuit, level translators, MOSFET gate drives, and high current power P-channel and N-channel MOSFETs as the output stage for each channel. The gate drivers for the output MOSFETs are powered by built-in linear 5.0V regulators referenced to VPP and VNN. This direct coupling topology of the gate drivers not only saves four floating voltage supplies or AC coupling capacitors per channel, but also makes the PCB layout smaller and easier.
Supertex
