High-Speed Ultrasound Beamforming Source Driver From Supertex Delivers Sharper Images for Medical Ultrasound Applications
March 20 2014 - 9:00AM
Marketwired
High-Speed Ultrasound Beamforming Source Driver From Supertex
Delivers Sharper Images for Medical Ultrasound Applications
MD2133 Features High-Speed SPI Interface to Achieve
Per-Scan-Line Fast Data Updating for Dynamically Changing Delay
Time, Weighting and Waveforms
SUNNYVALE, CA--(Marketwired - Mar 20, 2014) - Supertex (NASDAQ:
SUPX), a recognized leader in high voltage analog and mixed signal
integrated circuits (ICs), introduces the MD2133, a high-speed
source-driver for pulsed current applications. The MD2133 is
programmable, and is targeted for medical ultrasound beam-forming
applications. It can also be used in High Intensity Focused
Ultrasound (HIFU), Non-Destructive Testing (NDT) using ultrasound,
Laser Diode Drive, and other instrumentation applications such as
arbitrary waveform generation.
The MD2133 contains CMOS digital logic input circuits, an 8-bit
current DAC for aperture weighting control, as well as an 8-bit
fast pulse current switch matrix. The MD2133 supports both
Pulse-Current Amplitude Modulation (PAM) and Pulse-Width Modulation
(PWM) with an in-phase and quadrature I-Q current-switch, and a
built-in sine and cosine angle-to-vector look-up table. The angular
resolution of the vector table is 1.4°/step with a total range of
256 steps/360°. The 8x1k bits waveform memory can pre-store data
for up to four waveforms. The stored parameters for each include
data length, start address, cycle limits or continuous looping
mode, the transmit frequency pre-scale (N divisor), selection for
polarity swapping (fast launch), chirp-up /down for FM and forward
/ reverse transmit (time-symmetrical waveforms for fewer data
points). Two SSTL differential clock inputs control all the
waveform writing, read back, transmit delay, and frequencies. The
high-speed SPI bus enables fast data updates per-scan-line updating
for dynamically changing delay times, as well as for weighting and
waveform selection.
"The MD2133 provides a versatile tool for our traditional
ultrasound customers, providing significant value for decreasing
the load on system processor resources by placing the waveform
management tools on board the driver," states Jimes Lei, Director
of Applications Engineer for Supertex.
The MD2133 is available in a lead(Pb)-free/RoHS compliant
40-lead (5x5) QFN package (MD2133K7-G). Lead-time for production
quantities is 4-6 weeks, ARO. Pricing is US$5.92 each in 1K
quantities.
About Supertex Supertex, Inc. is a publicly held mixed signal
semiconductor manufacturer, focused in high voltage interface
products for use in the medical ultrasound, LED lighting, printer
and display, industrial and telecommunication industries. Supertex
product, corporate and financial information is readily available
at www.supertex.com.
Corporate
Headquarters: Christine Mahiya Marketing Communications
Manager 408/222-4858 christin@supertex.com
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