Healthcare

Ultrasound Digital Transmit Pulsers


Better Image Quality, Downsizing, and Cost Reduction
with SII Ultrasound High-Voltage Digital Transmit Pulsers

Key Features

  • High-integration facilitates downsizing and cost reduction
    SII Quad/Octal/16-ch pulsers integrate logic input interface, voltage level translators, MOSFET gate drive buffers, and high-voltage high-current P-channel and N-channel MOSFETs.
    Besides, T/R-switches, active ground clamps, floating power supplies, output HV blocking diodes, output HV clamp diodes, noise-cut diodes, active output termination, power-on reset function, thermal protection, waveform memory, and delay calculator are incorporated depending on products (*1).
  • Well-matched positive and negative pulses for better image quality
    Well-matched output impedance and current of P-channel and N-channel MOSFETs, and active ground clamps result in excellent positive and negative-onset pulse matching and low harmonic distortion (*2).
    Active output termination working with active ground clamps improves isolation performance in receive period.
    Synchronizing data with a clock signal improves output jitter performance and channel-to-channel delay mismatch.

Applications

  • Medical Ultrasound Imaging
  • Piezoelectric Transducer Drivers
  • Flaw Detection
  • Pulse Waveform Generator

Selection table

Part NameChannels# of Output
Levels
Output
Voltage
(V)
Output
Current
(A)
RTZ
Current
(A)
T/R
switch Ron
(Ω)
Package/
Pins
Notes
Part NameNotes
HDL6V558183±100±2.5--TQFP/100
HDL6V558283±100±1.8±0.5-QFN/52
HDL6V558383±100±1.8±1.0-QFN/52
HDL6V5583E83±100±1.8±1.0-QFN/52w/ HV blocking diodes
HDL6V554145±100±2.0±1.010QFN/64True 5-level
HDL6M0554245±100±2.0±2.010QFN/64
HDL6M05542E45±100±2.0±2.010QFN/642-input/channel
HDL6M0554345±100±2.0±2.010QFN/64True 5-level, w/ HV blocking diodes
HDL6M0558483±100±2.0±1.015QFN/64
HDL6M0558585±100±1.6±1.612QFN/682-input/channel
HDL6M05585E85±100±1.6±1.612QFN/682-input/channel, selectable RTZ mode
HDL6M0558685±100±1.6±1.612QFN/84
HDL6M05587E16/83±100±1.0/±2.0±0.5/±1.028/14QFN/68Tx beamformer function

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