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The MAX14866UTM is a 16-channel, high-voltage (HV) analog SPST switch primarily used as a high-voltage multiplexer in ultrasound applications.

The MAX14866UTM is powered by a single low voltage supply (+5V), eliminating the need for a dedicated high voltage supply, saving costs and simplifying the system. In addition, for in-probe applications, the high voltage power supply does not need to be associated with the MAX14866UTM in the probe/transducer probe, thereby improving safety and simplifying safety regulatory compliance.

The MAX14866UTM has the following features:

Highly flexible and easy to design

The high voltage switch is powered by a +5V power supply only - no dedicated high voltage power supply is required to make the probe easily compliant with industry safety standards

SOI technology - No latching occurs

Wide analog input range (up to 210VPKPK)

Sixteen separate SPSTS ensure flexible support for all possible combinations of multiplexers

Switches can be controlled individually or globally (group selection)

The 30MHz SPI interface is used to program the switching state separately

SET and CLR CMOS for global control of switches (group selection or relay replacement applications)

The digital logic input range is expanded from 1.8V to 5V

High integration and high density for space-saving applications

16-channel linear SPST switch

< 1.9mm2/ Channel size (WLP)

High performance:

Low RON (typical value of 7Ω) ensures low insertion loss

RON flatness across the entire input range ensures excellent harmonic imaging performance

Low charge injection: <100pC.

Wide operating bandwidth (up to 50MHz)

Low on-input capacitance (33pF) Low Off input capacitance (7.7pF)

Excellent turn-off isolation (-75dB at 5MHz) Excellent crosstalk performance (-62dB at 5MHz)

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