Beamforming source driver excels in medical apps
The MD2131 beamforming source driver is designed for use in diagnostic-medical and high-intensity focused-ultrasound (HIFU) applications. The IC can also be used in nondestructive image evaluation, metal flaw detection, sonar phase arrays and piezoelectric transducer waveform drivers.
The part is a high-speed, arbitrary waveform, push-pull source driver and consists of CMOS digital logic inputs, an 8-bit D/A converter, and a high-speed serial peripheral interface. Additional features include up to 3.0-A push-pull source-driving current, 250-MHz max sampling rate, 25-MHz max ultrasound frequency, and a 5-V single power supply. The MD2131 comes in a 40-lead QFN package (MD2131K7-G) and is RoHS compliant. ($6.27 ea/1,000 — samples available now; prod qty, 4 to 6 weeks ARO.)
By Christina Nickolas
Supertex , Sunnyvale , CA
Kenneth Vickers 408-222-4810
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