Noise - 0.1Hz to 10Hz:	--
Base Part Number:	LM4041
Supplier Device Package:	SC-70-5
Package / Case:	5-TSSOP, SC-70-5, SOT-353
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Current - Cathode:	70µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	20µVrms
Series:	--
Temperature Coefficient:	150ppm/°C
Tolerance:	±1%
Current - Output:	12mA
Voltage - Output (Min/Fixed):	1.225V
Output Type:	Fixed
Reference Type:	Shunt
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The LM4041DIM7-1.2 is a Precision Micropower Voltage Reference designed for simple and cost-effective reference solutions. Its extremely narrow temperature coefficient (30 ppm max C) and low noise make it particularly suited for precision applications. LM4041DIM7-1.2 also crams over a decade of operational life and fast start-up times into a SC-70-6 surface mount package, making it versatile and small enough to fit almost any design requirement.

Application Field

The LM4041DIM7-1.2 voltage reference is ideal for use in a variety of applications such as data acquisition systems, battery management, portable electronics, and automotive applications. Due to its low power requirements and wide operating temperature (-40 to + 125 °C), the LM4041DIM7-1.2 can be used in a variety of environments.In addition, due to its extremely low noise (1.0 ppm/V), the LM4041DIM7-1.2 can also be used in applications where high accuracy and low noise are critical such as in medical instrumentation, resistance measurement, and microprocessor-based A/D converters.

Operating Principle

The LM4041DIM7-1.2 utilizes a simple resistive voltage reference whose intrinsic voltage stability is set to a precise value. This voltage is then regulated through the use of an auxiliary circuit which compensates for temperature drift and other external influences. The LM4041DIM7-1.2 also features an internal bandgap reference for improved accuracy.The LM4041DIM7-1.2 features a robust and reliable design that minimizes power consumption and increases stability over time. The LM4041DIM7-1.2 also provides a low output impedance, which eliminates the need for external buffering. This low output impedance also results in low noise and excellent temperature tracking.

Conclusion

The LM4041DIM7-1.2 is a precision micropower voltage reference ideal for a variety of applications due to its wide operating temperature range, low power consumption, high accuracy, and low noise. Furthermore, the simple and reliable design makes it easy to implement while the low output impedance eliminates the need for external buffering. All in all, the LM4041DIM7-1.2 is an ideal voltage reference solution.

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