LM4132AQ1MFT3.0

Temperature Coefficient:	20ppm/°C
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Current - Supply:	100µA
Voltage - Input:	3.4 V ~ 5.5 V
Noise - 10Hz to 10kHz:	--
Noise - 0.1Hz to 10Hz:	285µVp-p
Series:	Automotive, AEC-Q100
Tolerance:	±0.05%
Current - Output:	20mA
Voltage - Output (Min/Fixed):	3V
Output Type:	Fixed
Reference Type:	Series
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to LM4132AQ1MFT3.0 Voltage Reference

The LM4132AQ1MFT3.0 from Texas Instruments is a precision precision reference Voltage Reference specifically designed for use in industrial, automotive, and consumer applications. The device provides a high voltage accuracy and low drift over a wide temperature range, making it ideal for precision power control, temperature sensing and data acquisition applications.

Features of the LM4132AQ1MFT3.0

The LM4132AQ1MFT3.0 offers a range of features to provide a stable and precise voltage reference:• Built-in temperature coefficient of turn-on voltage ensures temperature performance and stability.• Ability to supply output voltages up to 15V, making it suitable for a wide range of applications.• Constant current output provides fast settling performance.• Low-noise output voltage makes it suitable for high-resolution data acquisition applications.• Low power dissipation ensures long battery life.• High Maximum Output Current ensures compatibility with high-powered applications.

Applications of the LM4132AQ1MFT3.0

The LM4132AQ1MFT3.0 is well suited for use in a variety of precision power control and temperature sensing applications, as well as data acquisition. Specifically, the device is suitable for:• Power control in industrial and automotive applications where a high-voltage accuracy and low drift are essential.• Temperature measurement in both industrial and consumer applications.• High-resolution data acquisition, due to the combination of low-noise output voltage and constant current output.

Working Principle of the LM4132AQ1MFT3.0

The LM4132AQ1MFT3.0 Voltage Reference works on the principle of temperature-compensated Zener voltage scaling. The device consists of two closely spaced Zener diodes connected in series, a series of compensation resistors and a temperature sensing circuit. The Zener diodes provide a stable reference to scale the voltage output, ensuring a high degree of accuracy over a wide temperature range. The compensation resistors provide thermal feedback to adjust the output voltage based on temperature changes. The temperature sensing circuit provides additional control to ensure that the output voltage remains within a specified tolerance over varying temperatures. The LM4132AQ1MFT3.0 provides a constant current output, resulting in faster settling times and greater accuracy. The low-noise output voltage ensures that the output remains stable, even in high resolution data acquisition applications.

Conclusion

The LM4132AQ1MFT3.0 Voltage Reference from Texas Instruments provides a high level of accuracy, stability, and low-noise performance for a wide range of industrial, automotive, and consumer applications. The device is based on temperature-compensated Zener voltage scaling, and has additional temperature sensing circuitry to ensure that the output voltage remains within a specified tolerance over varying temperatures. The constant current output ensures fast settling times and higher accuracy, while the low-noise output voltage ensures high resolution data acquisition applications are not compromised.

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