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MAX4936ACTO+T is listed in the Analog Switches, Multiplexers, Demultiplexers range at ChipApex. The manufacturer field lists Analog Devices Inc./Maxim Integrated. Its product description is IC MUX OCTAL 42TQFN. Review the specifications below when checking this part for your BOM.
The MAX4936ACTO+T is an octal high-voltage transmit/receive switch from Analog Devices/Maxim Integrated, designed for ultrasound applications. It integrates eight SPST switches in a 42-pin TQFN package (3.5mm x 9mm). The device operates on a single supply voltage ranging from 1.62V to 5.5V with a maximum power supply current of 2mA. Key electrical parameters include a typical on-impedance of 6Ω, a -3dB bandwidth of 100MHz, and a typical noise density of <0.5nV/√Hz. The component supports independent enable control for two banks of four channels via EN1 and EN2 inputs. It functions within a commercial temperature range of 0°C to +70°C.
Verify the specific suffix ACTO against the manufacturer's official datasheet to confirm the tape-and-reel packaging configuration and lead-free status. Ensure the ordering part number matches the exact pinout and thermal pad requirements for the 42-pin TQFN footprint. Cross-reference the revision level with the latest documentation to guarantee compatibility with existing design specifications.
Select this component when designing ultrasound front-ends requiring integrated transmit/receive switching without external discrete diodes. The MAX4936A variant is appropriate if grass-clipping functionality is needed, whereas the MAX4937A excludes these diodes. Consider the 100MHz bandwidth and low noise characteristics for high-fidelity signal acquisition. Verify that the 1.62V to 5.5V supply range aligns with the system's power architecture.
The MAX4936A belongs to a family of octal high-voltage transmit/receive switches developed by Maxim Integrated, now part of Analog Devices. This series addresses the need for compact solutions in medical ultrasound systems by reducing component count and board space. The device utilizes a diode bridge topology to manage high-voltage transmit pulses while protecting sensitive receive circuitry.
Public confirmed substitute part numbers are not available in the provided documentation.
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