LM4040C30FTA Integrated Circuits (ICs)

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	LM4040
Supplier Device Package:	SOT-23
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Current - Cathode:	70µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	35µVrms
Series:	--
Temperature Coefficient:	100ppm/°C
Tolerance:	±0.5%
Current - Output:	15mA
Voltage - Output (Min/Fixed):	3V
Output Type:	Fixed
Reference Type:	Shunt
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction:

A voltage reference, also known as a voltage regulator, is an electrical circuit design which sources a fixed reference voltage and limits the amount of current to a load. Voltage references typically take the form of an integrated circuit (IC) or a voltage regulator module (VRM). LM4040C30FTA is a voltage reference produced by Texas Instruments (TI). It is a precision shunt-regulated voltage reference that can source up to 30 mA of current over a wide temperature range while providing excellent temperature coefficient accuracy and very low output noise. The LM4040C30FTA is designed to provide the user with a high precision, stable and adjustable voltage source.

Application fields:

The LM4040C30FTA can be used in a variety of applications where a stable voltage reference is required. It is particularly well suited for applications in industrial, medical, and automotive systems.In industrial applications, the LM4040C30FTA is commonly used in power supply designs, motor controllers, and servo systems. In medical applications, the LM4040C30FTA can be used to provide power to medical equipment and monitor vital signs. Additionally, in automotive applications, the LM4040C30FTA is often used in automotive ECUs and engine controllers.

Working principle:

The LM4040C30FTA is a precision shunt-regulated voltage reference. It is designed to source up to 30 mA of current over a wide temperature range while providing excellent temperature coefficient accuracy and very low output noise.The LM4040C30FTA uses a voltage reference junction that provides a near-ideal diode characteristic with low temperature sensitivity and low offset. This junction provides a constant voltage reference at its output which is also immune to power supply variation.The LM4040C30FTA includes an external shunt resistor that allows the output voltage to be adjusted to a desired level. The use of the adjustable shunt resistor allows the user to tailor the output voltage of the device over the operating temperature range.

Conclusion:

The LM4040C30FTA is a precision shunt-regulated voltage reference that can source up to 30 mA of current over a wide temperature range while providing excellent temperature coefficient accuracy and very low output noise. It is designed to provide the user with a high precision, stable and adjustable voltage source.Due to its wide range of uses and capabilities, the LM4040C30FTA is a popular voltage reference for applications in industrial, medical and automotive systems. It is particularly well suited for power supply designs, motor controllers, servo systems, medical equipment, automotive ECUs and engine controllers.

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