MAX6138AEXR33+T

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The MAX6138AEXR33+T is a precision, temperature-compensated, voltage reference from Maxim Integrated. It is part of the PMIC (power management integrated circuit) family and falls into the Voltage Reference category. The device combines a wide input voltage range and adjustable output voltage capabilities with high accuracy and excellent temperature stability. It also offers low power consumption and robust circuit protection features that make it very suitable for various applications.

The device operates from a 2.5V to 6.0V input supply voltage and output can be adjusted from 0.7V to reference voltage (1.225V). It has a typical temperature coefficient of ±2.5ppm/°C over the -40°C to +125°C temperature range and a typical output accuracy of ±6.25mV over the specified temperature range.

The MAX6138AEXR33+T features an active-low power-good (PG) indicator output and fault conditions can be detected quickly and accurately due to the limited voltage deviation during two fault conditions: output overvoltage, and output undervoltage conditions. It also features a logic shutdown (SD) pin, which when activated reduces the quiescent current consumption to 5µA typical. This makes it suitable for applications with stringent power consumption requirements.

Typical applications for the MAX6138AEXR33+T voltage reference include industrial, automotive and consumer electronics, especially those applications where high voltage and/or temperature accuracy, as well as low power consumption and small size, are important considerations. Examples of such applications include data communication modules, electronic meters and instrumentation, 12V/24V vehicle systems, and audio/video circuits.

The MAX6138AEXR33+T voltage reference is an ideal choice for applications requiring precision and stability over wide temperature and dynamic output range. Its combination of tight accuracy under varying inputs, ultra-low quiescent current and integrated thermal protection, provides designers with a reliable and cost-effective solution to their power management needs.

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