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Supertex inc.
MD0101
High Voltage Protection T/R Switch with Clamp Diodes
Features
►► Up to ±100V input voltage protection ►► Low on resistance - 15Ω typical ►► Integrated clamp diodes ►► Fast switching speed ►► Four electrically isolated channels ►► No external supplies needed
Applications
►► Medical ultrasound imaging ►► NDT applications ►► Fast resettable fuses ►► High side switches ►► Data acquisition
General Description
The Supertex MD0101 is a four channel, high voltage, current limiting protection device. It is designed to protect a low noise receiver from the high voltage transmit pulses in ultrasound applications and is commonly referred to as a T/R (transmit and receive) switch. Each channel has three terminals; Tx, Rx, and RGND. The analog switch terminals are Tx and Rx.