The MD0200 consists of four +/-130V T/R switches followed by four low voltage analog switches with a serial logic controlled interface. The only supply voltage needed is 5V for the logic control. The device features a typical T/R switch resistance of 17 ohms for low insertion loss. Once the T/R switch detects a voltage magnitude greater than +/-1.0V, it will automatically start to turn off. In the off state, the T/R switch can withstand up to +/-130V to protect the inputs of the low noise receivers. A low voltage multiplexer is included to enable users the flexibility to route the echo signals to different receivers to optimize the image.
"As medical diagnostic ultrasound systems are constantly trying to improve image quality, Supertex remains committed to providing innovative products to ultrasound equipment manufacturers to reach their goals," states Jimes Lei, Director of Application Engineering of Supertex. "The MD0200 topology provides additional system design flexibility on the receiver side for image quality enhancement."
The MD0200 is available in a lead(Pb)-free/RoHS compliant 18-lead 5x5 DFN package (MD0200K6-G). Samples are available from stock. Lead-time for production quantities is 4-6 weeks, ARO. Pricing is US$6.40 each in 1K quantities.
Supertex, Inc. is a publicly held mixed signal semiconductor manufacturer, focused in high voltage interface products for use in the telecommunications, networking systems, flat panel displays, medical and industrial electronics industries. Supertex product, corporate and financial information is readily available at www.supertex.com.
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