MAX6225AEPA+

Noise - 0.1Hz to 10Hz:	1.5µVp-p
Base Part Number:	MAX6225
Supplier Device Package:	8-PDIP
Package / Case:	8-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Current - Supply:	3mA
Voltage - Input:	8 V ~ 36 V
Noise - 10Hz to 10kHz:	1.3µVrms
Series:	--
Temperature Coefficient:	3ppm/°C
Tolerance:	±0.04%
Current - Output:	15mA
Voltage - Output (Min/Fixed):	2.5V
Output Type:	Fixed
Reference Type:	Series, Buried Zener
Part Status:	Active
Packaging:	Tube

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MAX6225AEPA+ Application Field and Working Principle PMIC – Voltage ReferenceIntroductionThe MAX6225AEPA+ is a precision analog voltage reference with integrated temperature compensation. It is a versatile and cost-effective two-terminal regulator able to regulate either a voltage or current output. It produces a stable output voltage or current over a wide temperature range. It is ideal for application in any field requiring precise voltage regulation or precision current generation, such as automotive electronics, telecommunications, personal computers, instrumentation and more. FeaturesThe MAX6225AEPA+ is an integrated circuit containing a precision reference, temperature compensation, current source, and output stage amplifier. It offers several advantages over discrete voltage references including low-noise, high accuracy, low drift, low temperature sensitivity, and low cost. The reference output can be set to any output voltage between +2.5V and +6.0V. The temperature setting allows for precise temperature compensation over the -40C to +125C temperature range. The current source feature eliminates the need for an external current source. The output stage amplifier ensures a low-noise output. The MAX6225AEPA+ features an output voltage of +2.5V to +6.0V (ECRo <3mV typ), and temperature coefficient of 0.03%. It operates over a temperature range of -40°C to +125°C and is rated for 2.5A current. Its 10μA minimum output current guarantees high output impedance and improved stability. The low-noise precision reference is available in an 8-lead PSSOP package, making it ideal for high density applications. ApplicationsThe output can be adjusted with an external resistor, making the MAX6225AEPA+ suitable for various types of applications. It can be used as a voltage reference for precision analog-to-digital converters, instrumentation, power supplies, analog-to-digital converters with built-in limiters, and as a precision current-to-voltage converter. Its low power consumption allows it to be used as an alternative to linear regulators in battery-operated systems. The MAX6225AEPA+ is also suitable for industrial equipment such as factory automation systems, process control instrumentation, and automotive electronic systems, providing the stable and precise voltage supply needed for those applications.Working PrincipleThe MAX6225AEPA+ is a precision reference circuit with integrated temperature compensation. The device is based on a band gap reference, with an external resistor setting the desired output voltage. The temperature compensation of the reference voltage is achieved by connecting an external resistor, which is proportional to the reference’s temperature coefficient and transports the temperature information to the internal compensation circuitry. The current source feature of the MAX6225AEPA+ eliminates the need for an external current source and improves the output stability. The output of the device is then buffered to ensure low-noise and stable output voltage. ConclusionThe MAX6225AEPA+ is a low-cost, high-precision two-terminal analog voltage reference with integrated temperature compensation. It is suitable for use in applications such as analog-to-digital converters, instrumentation, power supplies, analog-to-digital converters with built-in limiters, as a precision current-to-voltage converter, and as a power supply for industrial equipment. The device features a wide range of voltage outputs, a low temperature coefficient, a 10μA minimum output current, and an 8-lead PSSOP package for high density applications.

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