MAX6143AASA25+T

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MAX6143AASA25+T is a precision voltage reference specifically designed to provide low temperature drift and good voltage accuracy required in many applications. The MAX6143AASA25+T PMIC family of devices provides a wide range of features and benefits designed to meet the demands of today’s systems. The devices are in a small 8-lead SOIC package and offer a wide operating temperature range, low operating current, and a 1.25V reference voltage.

The MAX6143AASA25+T can be used in a variety of industrial, consumer, and medical applications such as power management, embedded system, medical device, and automotive. The MAX6143AASA25+T provides a reliable and accurate voltage reference for systems, providing the needed rail stability to control the precision of the application.

The MAX6143AASA25+T voltage reference includes an on-chip temperature-regulated bandgap reference and an external voltage divider circuit to produce a stable 1.25V reference output over temperature. The reference includes a high and low data threshold port for precision tracking over temperature to reduce reference drift, so the output remains stable over time. The device will provide better power supply rail accuracy and lower ripple noise than linear and switched capacitor solutions, while the underlying reference can be programmed to provide different accuracies.

The MAX6143AASA25+T has specified operation over the temperature range of -40°C to +85°C and utilizes ESD protection on all pins to ensure reliable operation. The output accuracy is specified at ±5mV for parts operating from 0°C to +70°C. The device provides up to 50mA of output current and the reference voltage can be trimmed over a wide range of values to meet the precision needs of the application.

The MAX6143AASA25+T features a low operating current with a typical value of 850μA enabling extended battery life and is compatible with both 3.3V and 5V supplies. The output has good transient protection and immunity to supply line transients that can affect reference performance in industrial applications.

The MAX6143AASA25+T voltage reference is highly suited for precision applications requiring minimal drift and high accuracy, such as portable battery-supplied systems, low-noise, analog-to-digital converters and medical instrumentation. It is also ideal for industrial applications, voltage monitoring and measuring, precision reference applications and as a replacement or an upgrade for other devices, such as Zener and bandgap references.

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