MAX6126A28+

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MAX6126A28+ is an exceptionally precise voltage reference that belongs to a family of voltage references in the PMIC category of components. It is an ultra low noise single reference series specifically designed for precision analog and mixed-signal applications. The device has been designed to offer a combination of high accuracy, low dropout operation, and low noise.

The MAX6126A28+ is a combination of a precision voltage reference and a buffer amplifier. The voltage reference sections of the device provides a low noise output voltage good for applications requiring accuracy and stability over temperature. The integrated buffer of the device amplifies the reference, thus providing a clean and low noise output.

The MAX6126A28+ provides a very wide range of output voltage. The voltage can range from 0.95V to 6.5V, with high accuracy and a maximum temperature coefficient of 15ppm/℃ and a maximum dropout voltage of 0.6V-bit.

The MAX6126A28+ is suitable for a wide range of applications. Its low noise and accurate reference output can be used in high accuracy analog and frequency references, as well as in power amplifiers, audio and video data converters, A/D converters and DACs. Additionally, it can also be used in communications equipment, computer monitors, displays, and other electronic systems. Another potential application of the MAX6126A28+ is in power management systems, where it provides a clean supply for the control and conversion of power for the analog and the digital circuitry.

The MAX6126A28+ features a low noise and low power consumption design. It has a 70µA low quiescent current and a low ripple coefficient to reduce the noise. The device is operational from a 2.4V to 12.6V supply voltage, and can provide a stable output voltage in noisy power environments.

In terms of working principle, the MAX6126A28+ combines a voltage reference with a buffer amplifier in order to provide an accurate and low noise output. The reference part of the device is based on a temperature compensated resistive network, which provides a reference voltage of 0.95V to 6.5V. The output of the reference is then amplified by the buffer amplifier to provide a low noise output.

The voltage reference output is also temperature compensated. The reference is designed with an emitter-coupled logic (ECL) architecture to ensure optimal temperature coefficient accuracy and to reduce noise and drift. The device is also calibrated to ensure high accuracy, and can provide at least ±3 mV accuracy over the entire temperature range.

Overall, the MAX6126A28+ is an excellent choice for applications that require precise voltage references. It provides a wide output range, high accuracy, and low noise performance for various types of analog and mixed-signal circuitry. Its low quiescent current and low noise characteristics make it an ideal choice for power management and precise voltage references in a wide range of applications.

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