MAX6126A25+

Temperature Coefficient:	5ppm/°C
Base Part Number:	MAX6126
Supplier Device Package:	8-uMAX
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Current - Supply:	725µA
Voltage - Input:	2.7 V ~ 12.6 V
Noise - 10Hz to 10kHz:	--
Noise - 0.1Hz to 10Hz:	1.45µVp-p
Series:	--
Tolerance:	±0.06%
Current - Output:	10mA
Voltage - Output (Min/Fixed):	2.5V
Output Type:	Fixed
Reference Type:	Series
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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MAX6126A25+ Voltage Reference

The MAX6126A25+ is a voltage reference IC that is part of Maxim Integrated\'s MAX6126A family of CMOS voltage references. This IC is designed for a wide range of precision analog applications, such as temperature and dew point measurement systems, programmable voltage references, voltage-level shifters, and power supplies. The MAX6126A25+ includes an on-board 25 volt buffer amplifier and a buffered output current of up to 50mA. This makes it suitable for a variety of applications, including high-resolution DACs and LEDs, transimpedance amplifiers, and power supplies.

Overview

The MAX6126A25+ features a low-noise, low-power CMOS input stage that offers superior accuracy of up to 0.004%. Some of the other features of this IC include a 0.6% precision adjustment, a current source/sink of up to 3mA and an on-board 50mV test voltage. It has an input impedance of 150kΩ, a wide operating temperature range of -40℃ to +125℃ and a tight tolerance of as low as 0.002%. This device is available in 8-pin SO packages with a maximum junction temperature of 125°C.

Working Principle

The MAX6126A25+ voltage reference operates by comparing its input voltage to the reference voltage produced by the on-board 25V buffer amplifier. When the input voltage is greater than the reference, the reference voltage is increased. Conversely, when the input voltage is less than the reference voltage, the reference voltage is decreased. Thus, the output voltage of the IC is equal to the reference voltage, allowing it to maintain a fixed output voltage. This also ensures that the MAX6126A25+ can accurately maintain a set voltage even when the input voltage is varied.

Applications

The MAX6126A25+ can be used in a wide range of precision analog applications, such as temperature and dew point measurement systems, programmable voltage references, voltage-level shifters, and power supplies. Some of the typical applications for this voltage reference IC include power supplies, DACs for instrumentation applications, data converters, precision current sources and sinks, and LED lighting systems. It can also be used in medical and industrial instrumentation, and as a low-noise voltage source for high-precision, ultra-low-noise amplifiers.

Conclusion

The MAX6126A25+ is an ideal voltage reference IC for a wide range of precise analog applications, such as high-resolution DACs, transimpedance amplifiers, and power supplies. This device is able to provide a high precision reference voltage, with a linearity of 0.002% and an on-board buffered output current of up to 50mA. It is also equipped with a low-noise CMOS input stage, 0.6% precision adjustment, and a wide operating temperature range. The MAX6126A25+ is available in 8-pin SO packages with a maximum junction temperature of 125°C.

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