The MAX6138AEXR21-T from Maxim Integrated is a high-precision, low-dropout, micropower voltage reference. This device is designed to provide a stable and accurate reference voltage for high-performance analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other precision circuitry in a wide array of applications. With its compact and reliable design, the MAX6138 is an ideal choice for portable and battery-powered devices, as well as industrial and automotive systems where power efficiency and accuracy are crucial.

Key Features:

• Output Voltage: The MAX6138AEXR21-T provides a fixed output voltage of 2.048V, which is commonly used as a reference in 12-bit ADCs and DACs, ensuring compatibility with a broad range of precision components.
• High Accuracy: It offers an initial accuracy of ±0.02%, which is maintained over temperature, supply variations, and load conditions, making it highly reliable for critical applications.
• Low Temperature Coefficient: The device features an excellent temperature coefficient of 3ppm/°C (typ), ensuring stable performance across a wide operating temperature range.
• Low Dropout Voltage: The low dropout voltage allows the reference to operate with a minimal difference between the input supply and output voltage, making it ideal for low-voltage operations and battery-powered systems.
• Low Supply Current: With a supply current of just 85µA (typ), the MAX6138 helps conserve power in portable devices, extending battery life.
• Small Package: Available in a small SOT23 package, the MAX6138AEXR21-T saves valuable board space and is suitable for space-constrained applications.

Applications:

• Portable/Battery-Powered Equipment
• Data Acquisition Systems
• Industrial Control Systems
• Automotive Electronics
• Medical Devices

Maxim Integrated's commitment to quality and performance is evident in the MAX6138AEXR21-T voltage reference. Its precision and low-power operation make it an excellent choice for designers looking to enhance the accuracy and efficiency of their electronic systems.