LM4040DIZ-2.0/NOPB

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	LM4040
Supplier Device Package:	TO-92-3
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Current - Cathode:	70µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	35µVrms
Series:	--
Temperature Coefficient:	150ppm/°C
Tolerance:	±1%
Current - Output:	15mA
Voltage - Output (Min/Fixed):	2.048V
Output Type:	Fixed
Reference Type:	Shunt
Part Status:	Obsolete
Packaging:	Bulk

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Introduction

The LM4040DIZ-2.0/NOPB is a precision micropower, temperature-stable voltage reference that offers high accuracy and low temperature drift. It is a voltage reference specifically designed for low power and low voltage applications, such as low-voltage logic and micro-processing applications. This voltage reference can also be used as an adjustable voltage reference for measuring circuits and tolerant, low-power voltage sources.

Application Fields

The LM4040DIZ-2.0/NOPB is an ideal choice for numerous applications that require a precise voltage reference. This device can be used in battery-operated portable electronics and communications systems, in hand-held or wearables devices, and in digital or analog circuitry applications. It is especially useful for applications where low power is essential, such as in vehicle monitoring systems, biomedical instruments, and low-power microcontrollers.Moreover, the LM4040DIZ-2.0/NOPB can be used in PC boards, point-of-load converters, automotive electronics, SMPS and other power converters, medical equipment, and RF and microwave communications systems. This voltage reference can also be used for measuring applications, such as for precision current-sensing, thermocouples, RTD resistive jacks, and transducer amplifiers.

Working Principle

The LM4040DIZ-2.0/NOPB consists of a voltage reference element connected to an output buffer, so that it can provide an accurate voltage reference in many applications. The voltage reference element is made up of two zener diodes connected in a bridge configuration, with the two zener diodes being reverse biased and the output being connected to a common node or tap.The output buffer amplifies the output voltage of the voltage reference element, allowing the output voltage to operate independently of the current. The output buffer of the LM4040DIZ-2.0/NOPB consists of a high-voltage, high-current analog switch, a precision voltage regulator, and an amplifier for voltage feedback.The output voltage of the LM4040DIZ-2.0/NOPB is adjustable over the range of 0.5V to 2.7V. This makes it a versatile device that can be used in various applications requiring precise voltage references. Furthermore, the output voltage is temperature-stable over a wide range, from -25° C to +125° C, making it an excellent choice for applications requiring a temperature-stable reference.

Conclusion

The LM4040DIZ-2.0/NOPB is a precision micropower, temperature-stable voltage reference that offers high accuracy and low temperature drift. It is specifically designed for low power and low voltage applications and is an ideal choice for numerous applications that require a precise voltage reference. The output voltage of the voltage reference is adjustable over the range of 0.5V to 2.7V, and it is temperature-stable over a wide range from -25° C to +125° C, making it an excellent choice for various applications.

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