MAX14998ETO+

Analog Switches - Special Purpose Overview

The MAX14998ETO+ is a high-speed passive switch designed for four-lane DisplayPort applications. It integrates six double-pole/double-throw (DPDT) switches: four for high-frequency lanes and two for AUX/HPD signals. The device operates from a single +3.0V to +3.6V supply, with typical current consumption of 500µA and maximum of 850µA. It features an 8.5GHz differential -3dB bandwidth, 7Ω on-resistance, and supports data rates up to 17Gbps. The component is housed in a 42-pin TQFN package measuring 3.5mm x 9mm and functions within a temperature range of -40°C to +85°C.

Analog Switches - Special Purpose Feature Summary

• Supports four-lane DisplayPort switching with separate control for high-frequency lanes and auxiliary/hot-plug detect signals
• Provides ultra-high-speed performance with minimal input capacitance suitable for laptop and desktop PCs
• Features independent selection logic via SEL1 and SEL2 inputs to manage signal routing paths

Analog Switches - Special Purpose Applications

• Notebook PCs
• Desktop PCs

Analog Switches - Special Purpose Procurement Notes

Verify the specific ordering suffix against official documentation to confirm packaging format. The base part number indicates a lead-free/RoHS-compliant package. Confirm that the 'T' suffix for tape-and-reel delivery is included if required by assembly equipment. Ensure the exposed pad connection matches thermal requirements.

Analog Switches - Special Purpose Selection Notes

Select this component when four-lane DisplayPort switching is required rather than two-lane configurations. Verify that the system power supply remains within the 3.0V to 3.6V operating range. Ensure board layout accommodates the 42-pin TQFN footprint and provides adequate ground plane connectivity for the exposed pad.

Analog Switches - Special Purpose Part Context

This component belongs to the MAX4998/MAX14998 family of high-speed passive switches manufactured by Analog Devices Inc./Maxim Integrated. While the MAX4998 handles two-lane DisplayPort signals in a smaller 28-pin package, the MAX14998 expands capacity to four lanes using a 42-pin package. Both share identical electrical characteristics and control logic structures.

Analog Switches - Special Purpose Replacement Considerations

The MAX4998ETO+ serves as a functional substitute for two-lane DisplayPort applications requiring reduced pin count. No other direct four-lane equivalents are documented in the provided datasheet.