STHV748:Quad ±90 V, ±2 A, 3/5 levels, high-speed ultrasound pulser

This monolithic, high-voltage, high-speed pulser generator features four independent channels. It is designed for medical ultrasound imaging applications, but it can also be used for driving other piezoelectric, capacitive or MEMS based transducers. The STHV748 comprises a controller logic interface circuit, level translators, MOSFET gate drivers, noise blocking diodes, and high-power P-channel and N-channel MOSFETs as the output stage for each channel, clamping-to-ground circuitry, anti-leakage, anti-memory effect block, thermal sensor, and a T/R switch which guarantees an effective decoupling during the transmission phase. Moreover, the STHV748 includes self-biasing and thermal shutdown blocks. Each channel can support up to five active output levels with two half bridges. The output stage of each channel is able to provide ±2 A peak output current. In order to reduce power dissipation during continuous wave mode, a dedicated half bridge is available and the peak current is limited to 0.6 A.

Key Features

  • 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-levels output waveform
    • ±2 A source and sink current
    • Down ≤ 20 ps jitter
    • Anti-cross conduction function
    • Low 2nd harmonic distortion
  • 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
  • 2.4 V to 3.6 V CMOS logic interface
  • Auxiliary integrated circuits
    • Noise blocking diodes
    • Fully self-biasing architecture
    • Anti-memory effect for all internal HV nodes
    • Thermal protection
    • Standby function
  • Latch-up free due to HV SOI technology
  • Very few external passive components needed
Product Specifications
DescriptionVersionSize
DS6123: Quad ± 90 V, ± 2 A, 3/5 levels, high speed ultrasound pulser5.0807 KB
Application Notes
DescriptionVersionSize
AN3961: STEVAL-IME003V1 demonstration board based on the STHV748 ultrasound pulser3.02 MB
AN3240: Ultrasound HV pulser demonstration board1.11 MB
User Manuals
DescriptionVersionSize
UM1083: How to upgrade the waveforms on STEVAL-IME003V1, STEVAL-IME008V1 and STEVAL-IME009V1 evaluation boards2.1580 KB
Flyers
DescriptionVersionSize
Octal ultrasound pulser High-voltage, high-speed STHV800276 KB
Brochures
DescriptionVersionSize
Semiconductor solutions for healthcare applications1.0665 KB
Solution Evaluation Tools
Part NumberManufacturerDescription
STEVAL-IME003V1STSTHV748 Ultrasound Pulser IC evaluation board
STEVAL-IME011V1STCost effective ultrasound pulser IC evaluation board based on the STHV748
Sample & Buy
Part NumberPackagePacking TypeOperating Temperature (°C) (min)Operating Temperature (°C) (max)Unit Price (US$) *QuantityECCN (EU)ECCN (US)Country of Origin
STHV748QTRVFQFPN2 64 9x9x1.0Tray-40125--NECEAR99KOREA (south)
Quality & Reliability
Part NumberPackageGradeRoHS Compliance GradeMaterial Declaration**
STHV748QTRVFQFPN2 64 9x9x1.0IndustrialEcopack2md_lt-wspc-vfqfpn2-wspc-9x9x1.0-wspc-64-wspc-pitch-wspc-0.5_ebltuj17aaa-wspc-(sthv748qtr)_wcp_ver2_signed.pdf
md_lt-wspc-vfqfpn2-wspc-9x9x1.0-wspc-64-wspc-pitch-wspc-0.5_ebltuj17aaa-wspc-(sthv748qtr)_wcp_ver2.xml
Quad ± 90 V, ± 2 A, 3/5 levels, high speed ultrasound pulser STHV748
circuit_diagram_15450_thumbnail.png STHV748
STEVAL-IME003V1 demonstration board based on the STHV748 ultrasound pulser STEVAL-IME003V1
Ultrasound HV pulser demonstration board STM3210E-EVAL
How to upgrade the waveforms on STEVAL-IME003V1, STEVAL-IME008V1 and STEVAL-IME009V1 evaluation boards STSW-STM32100
How to upgrade the waveforms on STEVAL-IME003V1, STEVAL-IME008V1 and STEVAL-IME009V1 evaluation boards STHV748
STM8L101xx device limitations STM8L101G3
md_lt-wspc-vfqfpn2-wspc-9x9x1.0-wspc-64-wspc-pitch-wspc-0.5_ebltuj17aaa-wspc-(sthv748qtr)_wcp_ver2_signed.pdf STHV748
md_lt-wspc-vfqfpn2-wspc-9x9x1.0-wspc-64-wspc-pitch-wspc-0.5_ebltuj17aaa-wspc-(sthv748qtr)_wcp_ver2.xml STHV748