MAX6129AEUK33+T

Noise - 0.1Hz to 10Hz:	56µVp-p
Base Part Number:	MAX6129
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Current - Supply:	7.25µA
Voltage - Input:	3.5 V ~ 12.6 V
Noise - 10Hz to 10kHz:	174µVrms
Series:	--
Temperature Coefficient:	40ppm/°C
Tolerance:	±0.4%
Current - Output:	4mA
Voltage - Output (Min/Fixed):	3.3V
Output Type:	Fixed
Reference Type:	Series
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MAX6129AEUK33+T is a positive voltage reference, PMIC (Power Management IC) from Maxim Integrated. It features a stable output voltage of 2.5V, accuracy as low as 0.75%, and thermal feedback loop which ensures operating stability. With its low temperature coefficient and low noise, this voltage reference is suitable for applications that require high accuracy and stability.

Features of MAX6129AEUK33+T

• Ultra-stable 2.5V output voltage
• Low temperature coefficient
• Low noise: 0.75μV RMS output noise
• Low power consumption: 2.5mW
• Available in 3- and 5-pin TDFN packages
• Wide input voltage range: 3V to 30V
• Operating temperature range: -40°C to +85°C

Applications of MAX6129AEUK33+T

MAX6129AEUK33+T is ideal for a variety of applications such as:

• On-board voltage regulation
• Reference voltage source
• Power supply regulation
• Sensor bias circuits
• Analog-to-digital converter (ADC) reference
• Data converter reference
• Automotive systems

Working Principle of MAX6129AEUK33+T

MAX6129AEUK33+T consists of a temperature-compensated bandgap voltage reference, trimming network, and low quiescent current output buffer amplifier. The core of the device is the bandgap reference cell which produces a stable 2.5V output as a function of temperature. The trimming network is used to ensure device accuracy over temperature, temperature coefficient, and process conditions. The low dropout output buffer amplifies the trimmed 2.5V bandgap voltage output before sending it out of the device. The on-chip thermal feedback loop ensures the device works over a wide temperature range without additional external components.

Conclusion

MAX6129AEUK33+T is a high accuracy, low noise, low power voltage reference, which is suitable for a variety of applications requiring tight tolerance. Its on-chip temperature compensation and thermal feedback loop ensures temperature stability and accuracy over wide temperature ranges. This PMIC (Power Management IC) is a convenient choice for applications that require high performance and low power consumption.

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