STHV748SQTR – STMicroelectronics
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The STMicroelectronics STHV748SQTR is a high-voltage, high-speed pulser featuring eight independent channels designed for medical ultrasound applications. Each channel integrates a high-voltage MOSFET driver, a high-voltage switch, and clamping diodes, facilitating both positive and negative high-voltage pulses. The device supports a typical output voltage range of ±90V, with an absolute maximum output voltage rating of 100V. It can deliver a peak output current of 2A per channel. Housed in a compact 48-lead SQFP package, the STHV748SQTR offers space-saving advantages in densely populated circuit boards. Its operating temperature range spans from –40°C to 125°C. This pulser’s precise timing control, combined with its robust drive capability, makes it ideal for beamforming and image processing in advanced ultrasound imaging systems, offering improved image resolution and penetration depth. Its independent channel control simplifies complex waveform generation and reduces external component count, streamlining circuit design.