MAX14508EEVB+

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MAX14508EEVB+ Application Field and Working Principle

The MAX14508EEVB+ is a special purpose, ultra-low power, analog switches device made by Maxim Integrated. It is an excellent choice for a variety of design applications, including low noise audio routing, USB port switching, and charge pump switching.

Applications

The MAX14508EEVB+ supports designs requiring low on-resistance and very low power operation. Typical applications include low noise audio routing, USB port switching, charge pump switching and portable/battery-powered applications where power management is essential. It is a great device to use in applications such as USB audio, USB-C power delivery and portable speakers, as well as automotive, medical and industrial system designs.

Advantages

The MAX14508EEVB+ offers a variety of features to optimize performance and enable design flexibility. Its low on-resistance, 0.2Ω typical, and low power operation, 10µA typical, allows for exceptional power savings for portable and battery-powered applications. Moreover, the device’s small SOT23-5 package size allows for more space, allowing for more designs with fewer components.

The MAX14508EEVB+ also incorporates unique Triple-SAM technology which maximizes control stability and reduces power consumption when switching from one port to the other. This technology also reduces crosstalk, enabling superior audio quality and performance.

Working Principle

The MAX14508EEVB+ has two independent switches and one analog select pin on each of the two ports. These pins are connected to the logic pins of a logic circuit and act as control signals for the switch when enabled. When enabled, the analog select pin enables the selected port, and the two logic pins control the port direction. Also, in addition to the two analog select pins, the MAX14508EEVB+ also has two analog logic pins used to control the direction and level of the port. The logic pins are connected to the logic circuit and act as control signals for the port.

When operating in the low power mode, the MAX14508EEVB+ has a power down feature which reduces power consumption to less than 0.1µA. When in low power mode, the device can only be enabled via the analog select pin, which can sense the voltage across the port and will enable the port if it is less than 20mV. This feature is extremely useful for battery powered applications, since it allows for minimal power consumption, even when the device is not in use.

Conclusion

The MAX14508EEVB+ is an exceptional device for a variety of design applications, including low noise audio routing, USB port switching and charge pump switching. This part offers features like low on-resistance, 0.2Ω typical, and low power operation, 10µA typical, to improve design flexibility and power savings for portable and battery-powered applications. In addition to its low power operation and small package size, the MAX14508EEVB+ also includes unique Triple-SAM technology for enhanced stability, noise reduction and improved audio quality. Therefore, this part is an excellent choice for various applications.

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