Maxim Integrated MAX6177AASA+ Precision Voltage Reference

The MAX6177AASA+ from Maxim Integrated is a high-stability, low-noise, precision voltage reference designed for demanding applications that require a high degree of accuracy over temperature and time. This device is ideal for use in high-performance data converters, precision voltage sources, and industrial instrumentation where stability and low noise are critical.

With an output voltage of 4.096V, the MAX6177AASA+ offers a tight initial accuracy of ±0.02% and a low temperature coefficient of 3ppm/°C (max) over the full automotive temperature range of -40°C to +125°C. This ensures that the voltage reference maintains its precision across a wide range of operating conditions, making it suitable for use in harsh environments.

The device features a low dropout voltage, allowing it to function effectively with a minimal difference between the supply voltage and the output voltage. This characteristic makes the MAX6177AASA+ highly efficient and compatible with a variety of power supply configurations. Additionally, it has a low supply current of 750µA (max), which helps to minimize power consumption in battery-operated devices.

For enhanced noise performance, the MAX6177AASA+ incorporates a noise-reduction pin that allows the addition of an external capacitor to further decrease output noise, making it an excellent choice for precision applications such as high-resolution analog-to-digital converters (ADCs). The output noise is typically 2.5µVp-p (0.1Hz to 10Hz), providing a clean and stable reference signal.

The device is offered in a compact 8-pin SO package and is fully specified over the extended industrial temperature range. Its robust design includes short-circuit protection and thermal overload protection, ensuring reliable operation under a variety of conditions. With its combination of precision, stability, and low noise, the MAX6177AASA+ is an outstanding choice for engineers looking to enhance the performance of their high-accuracy systems.