MAX3390EEUD+

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Logic translators, level shifting, and other solutions are often necessary when interfacing circuitry with different I/O standards or even multiple voltage domains. The MAX3390EEUD+ is one such solution, a bidirectional level translator specifically designed to efficiently interface with differing I/O standards, such as the common 1.8V and 3.3V standards or even legacy 5V I/O. It supports dual supply voltages—typically 3V to 3.6V or 2.3V to 3.6V—while offering I/O capabilities from 1.2V to 5V.

The main benefit of the MAX3390EEUD+ is its unmatched flexibility, for providing bidirectional level shifting between the voltage domains of 1.2V to 5V, including the common 1.8V and 3.3V standards. This ability lets designers reduce the inventory of devices, since the MAX3390EEUD+ can adapt it to many different application needs. Furthermore, it can be used with a variety of interface standards, as it features configurable I/O drive strength, enabling support for common high-speed, low-power and multi-protocol interfaces.

The MAX3390EEUD+ also offers designers an approach to improve power efficiency and system performance. Its low internal resistance of 7 mω at the 5V supply voltage makes the MAX3390EEUD+ suitable for applications that operate in dynamic power-sensitive mode. It also helps reduce total system power consumption, since it consumes 10 mA in normal operation and just 1 µA in shutdown. Additionally, it has a maximum off-state leakage of 0.3 nA, which further helps engineers to design energy-efficient systems without sacrificing performance.

The MAX3390EEUD+ features an ESD protection on the input/output pins, so the device is robust for I/O pins with different potentials. It also has an integrated internal pull-up resistor, which is enabled via an internal pull-up enable pin for increased level shifting performance. In addition, protect and detect pins are added to protect the device against over-current and ESD conditions.

In terms of functions, the MAX3390EEUD+ features a bidirectional level shifting between 1.2V and 5V, allowing designers to interface with standard 1.8V and 3.3V I/O levels while also offering I/O flexibility to support the various standards. It also includes internal and external pull-up and pull-down resisters, as well as logic level and hysteresis adjust pins, giving engineers even more control over the device’s level shifting operation. Further, the multipli-channel capability of the MAX3390EEUD+ allows designers to configure the translator for multiple I/O levels with just one device.

In terms of technical specs, the MAX3390EEUD+ is capable of a maximum data rate of 20 MHz, with a propagation of 3 ns, and is optimized for I/O speed and low power consumption. It has a wide operating temperature range from -40°C to +125 °C, which allows it to be used in high-temperature environments without sacrificing performance. It can be used from a single 3.3V or 2.3V supply voltage, and features an ESD rating of ±8kV for the I/O pins, ensuring a robust and reliable solution for any application.

The MAX3390EEUD+ offers a wide range of advantages and capabilities to engineers dealing with I/O standards and multiple voltage domains. With integrated ESD protection and the ability to support a wide range of I/O standards and levels, the MAX3390EEUD+ is an excellent solution for designers who need a practical and efficient level translator.

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