MAX14508EEVB+T

Analog Switches - Special Purpose Overview

The MAX14508EEVB+T is a high-ESD protected DPDT switch IC designed for multiplexing Hi-Speed USB and analog signals. It operates from a single +2.7V to +5.0V supply with a typical quiescent current of 12μA. The device features a -3dB bandwidth of 950MHz, a typical on-resistance of 2.4Ω, and an off-isolation of -65dB at 100kHz. It includes internal shunt resistors for click-and-pop reduction and COM fault protection against shorts to +5.5V. The part is housed in a 10-pin, 1.4mm x 1.8mm UTQFN package and supports operation over the -40°C to +85°C temperature range.

Analog Switches - Special Purpose Feature Summary

• Supports negative signal capability via internal charge pump for AC-coupled audio passing below ground
• Includes internal shunt resistors to reduce audible clicks and pops during switching events
• Provides overvoltage fault protection on common terminals compliant with USB 2.0 specifications
• Features active-high enable input to minimize supply current by placing switches in high impedance

Analog Switches - Special Purpose Applications

• Cell Phones
• MP3 Players
• Notebook Computers
• PDAs

Analog Switches - Special Purpose Procurement Notes

Verify the component authenticity through authorized Analog Devices or Maxim Integrated distributors. Confirm the specific suffix matches the required pin configuration and RoHS compliance status. Ensure the ordering information aligns with the latest datasheet revision to avoid discrepancies in functional parameters or package dimensions.

Analog Switches - Special Purpose Selection Notes

Select this model when enabling digital control via the EN pin is required for power management. This variant differs from the VBUS detection versions by utilizing the CB logic input for path selection. Verify that the application does not require automatic VBUS sensing, as this function is reserved for the MAX14510E/MAX14511E series.

Analog Switches - Special Purpose Part Context

This component belongs to the MAX14508E–MAX14511E family of USB 2.0 Hi-Speed and Audio Switches. It shares the same physical footprint and core switching architecture with variants offering different control inputs like VBUS detection. The EEVB+ designation indicates the specific 10-pin Ultra-Thin QFN package configuration with lead-free/RoHS compliance.

Analog Switches - Special Purpose Replacement Considerations

The MAX14509E and MAX14509AE are direct functional alternatives within the same package. They share identical electrical characteristics but lack the internal shunt resistors found in the MAX14508E. Designers must evaluate whether the click-and-pop suppression provided by the shunt resistors is necessary for the target audio application.