LM4041CIM3X-ADJ/NOPB Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Reference Type:	Shunt
Output Type:	Adjustable
Voltage - Output (Min/Fixed):	1.233V
Voltage - Output (Max):	10V
Current - Output:	12mA
Tolerance:	±0.5%
Temperature Coefficient:	100ppm/°C
Noise - 0.1Hz to 10Hz:	--
Noise - 10Hz to 10kHz:	20µVrms
Voltage - Input:	--
Current - Supply:	--
Current - Cathode:	65µA
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23-3
Base Part Number:	LM4041

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Introduction to Voltage Reference - LM4041CIM3X-ADJ/NOPB

Voltage reference, also known as a reference voltage and referenced voltage, is an electrical voltage that can be used as a constant stable voltage source for regulating and stabilizing power in electrical systems. Furthermore, voltage reference components are important for precise testing and measurement of other circuit elements to ensure accurate performance. The LM4041CIM3X-ADJ/NOPB is a precision, adjustable and temperature stable voltage reference part from Texas Instruments that can be used in a wide range of applications from consumer, automotive, industrial and telecom applications.

Application Fields

The LM4041CIM3X-ADJ/NOPB is designed to offer precise, wide range and temperature stable voltage references while maintaining low noise, low tolerance, and excellent long term stability. High precision, low input bias current and an adjustable reference voltage are the main features of this voltage reference component. One of the applications that the LM4041CIM3X-ADJ/NOPB can be used for is calibration systems where the component is used to calibrate A/D converter, DAC and filters. It is also used in measurement systems where it is used as a reference for low-temperature monitoring in sensing applications. Furthermore, the component is seen used in power management integrated circuits for robust and precise power control, such as linear regulators and switching regulator control. The component is also applicable in embedded systems, where it is used to measure temperature and humidity, as well as in reference energy and thermal management modules. It can also be used in joystick signal systems, as it provides precise adjustment of the joystick signal response. Lastly, it is used in automotive systems, such as engine control, signal processing and traction control.

Working Principle

The LM4041CIM3X-ADJ/NOPB operates by providing the user with an adjustable output voltage between 0V and the full-scale voltage of 4V. The component operates on a principle where it makes use of a voltage reference integrated circuit (IC) and a temperature stable resistor network. The IC works by essentially converting a trapezoidal waveform into a precision triangle waveform. The resistor network is made of a ratioed network of polysilicon resistors.When the input voltage is applied to the component, it will generate an output voltage that is directly proportional to the input voltage and this is achieved by the ratioed polysilicon resistor network. This output voltage remains constant over a wide range of temperatures and over long periods of time, making it ideal for precision applications. The resistor network functions to make sure that the output voltage of the component is temperature stable. In order to adjust the output voltage of the component, the user makes use of a trim pot that is built into the device. The trim pot can be used to adjust the output voltage from as low as 0V up to the maximum output voltage of 4V. Once the output voltage has been set, the component will automatically maintain the output voltage at a preset level.

Conclusion

The LM4041CIM3X-ADJ/NOPB is an adjustable voltage reference component designed to offer precise, wide range and temperature stable voltage reference while maintaining low noise, low tolerance and excellent long-term stability. It has a wide range of applications such as calibration systems, measurement systems and embedded systems, to name a few. The component works on the principle of making use of a voltage reference IC and a ratioed polysilicon resistor network to generate and maintain a constant output voltage. The trim pot allows users to efficiently adjust the output voltage to their desired level while the component will automatically maintain that output voltage over a large spectrum of temperatures and over long periods of time.

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