December 2016

DocID030128 Rev 1

1/5

For further information contact your local STMicroelectronics sales

office.

www.st.com

STHV748S

Quad ± 90 V, ± 2 A, 3/5 level, ESD-enhanced high-speed

ultrasound pulser

Data brief

Features



Pinout compatibility with STHV748



Recirculation current protection



0 to ±90 V output voltage



Up to 20 MHz operating frequency



Embedded low-power, floating high-voltage

drivers (external voltage rails can be also

used)



Mode operations:



3/5-level output waveform



±2 A source and sink current



Down to ≤ 20 ps jitter



Anti-cross conduction function





Fully integrated clamping-to-ground function



8 Ω synchronous active clamp



Anti-leakage on output node



Dedicated half bridge for continuous wave

(CW) operations



≤ 0.1 W power consumption



±0.6 A source and sink current



205 fs RMS jitter [100 Hz-20 kHz]



Fully integrated T/R switch



13.5 Ω on-resistance



HV MOS topology to minimize current

consumption



Up to 300 MHz BW



Receiver multiplexing function



1.8 V to 3.6 V CMOS logic interface



New digital input compatibility @ 1.8 V



Auxiliary integrated circuits



Noise blocking diodes



Fully self-biasing architecture



Anti-memory effect for all internal HV

nodes



Thermal protection



Standby function



Reinforced diodes on HV outputs for

protection by recirculation current



Latch-up free due to HV SOI technology



Very few external passive components

needed

Applications



Medical ultrasound imaging



Pulse waveform generators



NDT ultrasound transmission



Piezoelectric transducer drivers