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Analog IC optimized for high voltage switching

Posted: 29 Jun 2011 ?? ?Print Version ?Bookmark and Share

Keywords:analog switch? voltage switching? 24-channel?

Supertex Inc. has rolled out two high-voltage, 24-channel analog switches. The HV2662 and HV2762 are designed for applications that require high voltage switching controlled by low voltage signalscommon in diagnostic medical ultrasound imaging and piezoelectric transducer drivers and printers.

The outputs of both ICs are configured as two sets of 24 single pole, single throw, analog switches that feature low typical on-resistance of 18?. This low switch resistance minimizes signal attenuation in the receive mode and provides 2A current capability in the transmit mode.

Both ICs may be used with multiple combinations of high voltage supplies to accommodate different operating modes in diagnostic medical ultrasound imaging, such as +40V/-160V, +100V/-100V, +160V/-40V (Vpp/Vnn). The HV2762 also features integrated bleed resistors to discharge residual DC voltages and reduce erroneous signals.

The HV2662 and the HV2762 are available in 64-pad LFGA packages (HV2662LA-G and HV2762LA-G) and 64-ball LFGA packages (HV2662LB-G and HV2762LB-G). All parts are RoHS compliant.

Samples of the ICs are available from stock. Lead-time for production quantities is four to six weeks ARO. Pricing is $14.44 each for the HV2662LA-G, $14.46 each for the HV2662LB-G, $14.56 each for the HV2762LA-G and $14.59 each for the HV2762LB-G, all in 1K quantities.

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