MAX3371ELT+T

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Logic translators and level shifters play an important role in enabling communication between devices of different standards, logic levels and supply voltage levels. The MAX3371ELT+T is such a device, designed to transfer signals between tiny voltage levels as low as 0.9 V and full-range voltages up to 5.5 V. It can act as a translator between devices operating with 3.3V and 1.8V down to 0.9V, as well as translator between devices with 0.9V and 5.5V logic.

The MAX3371ELT+T device is a dual-channel, low-voltage translator that operates from a single 2.5V to 5.5V supply. It is designed to transfer signals between tiny voltage levels as low as 0.9V and full-range voltages up to 5.5V. The MAX3371ELT+T can be used to transfer signals from a 1.8V logic device to a 0.9V logic device or from a 0.9V logic device to a 5.5V logic device, providing easy implementation of voltage level conversion for both directions.

In single-ended applications with an input load on A/A/B of 15 pF and typical value of C L = 100 pF, the maximum input threshold voltage is up to 0.8 V. Table 1 provides the input logic threshold voltages under various conditions. Using this device, the designer can easily design a logic level conversion system while saving board space.

The MAX3371ELT+T has an excellent ESD rating of ±6 kV on the human body model (HBM). It is available in a tiny 8-pin TDFN package (3 mm x 3 mm), making it an ideal choice for use in space-constrained or portable applications.

The working principle of the MAX3371ELT+T is quite simple. It can act as a voltage buffer, level translator, and power buffer. In a voltage buffer application, the device acts as a low-voltage buffer between two logic devices, where one is operating at higher voltage and the other operating at the lower voltage. The power buffer application makes it possible to draw power from the higher voltage device to operate the lower voltage device, without having to use external power supply for the low voltage device.

In a level translator application, the MAX3371ELT+T performs a level conversion between two logic levels with two different supply voltages. The level translator works by detecting the logic level of the input signal and generating a corresponding logic level at the output. The logic levels can be converted between two different voltage levels, such as 0.9V and 5.5V.

The MAX3371ELT+T offer a greater level of flexibility than other devices available on the market. It can be used to translate low voltage signals up to 5.5V, as well as buffer power from the higher-voltage device without requiring a separate power supply for the lower-voltage device. It also offers a good ESD rating and is available in a small form factor, making it suitable for use in space-constrained or portable applications.

In summary, the MAX3371ELT+T is an effective and highly versatile logic-level translator and level shifter for use in a wide range of applications, including communication between devices operating with differing logic and supply levels. It can act as a voltage buffer, level translator, and power buffer, and provides excellent ESD protection and a small footprint.

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