MAX4041EUA+

Voltage - Input Offset:	250µV
Base Part Number:	MAX4041
Supplier Device Package:	8-uMAX
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	2.4 V ~ 5.5 V, ±1.2 V ~ 2.75 V
Current - Output / Channel:	2.5mA
Current - Supply:	14µA
Series:	--
Current - Input Bias:	2nA
Gain Bandwidth Product:	90kHz
Slew Rate:	0.04 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	1
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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Introduction

MAX4041EUA+ is an instrumentation amplifier of Linear Technology Corporation that performs a wide range of functions to provide a low power, stable and accurate performance. It operates at a 4.5V to 19V range and can support a maximum output voltage of 36V supply. The package size is small and comes with integrated thermal overload protection. MAX4041EUA+ has a wide input common-mode voltage range from -0.2V to VDD + 0.2V and can accept inputs from DC to 5 MHz. This makes it suitable for use in applications with noisy inputs or where high input voltages are present. The amplifier also features an internal gain compensation for stable results and low noise.

Application Field

MAX4041EUA+ is used in a wide range of applications where stable, accurate and low power amplifier performance is required. Examples include instrumentation amplifiers, industrial monitoring, medical equipment, communications, automotive systems and sensors. Its low power consumption and wide input common-mode voltage range make it suitable for use in harsh environments. It is also highly reliable and uses integrated thermal overload protection to ensure that any damage due to overheating is limited.

Working Principle

MAX4041EUA+ consists of two operational amplifiers in a single package. The first amplifier is a differential amplifier which performs the actual amplification. The second amplifier is a high-impedance buffer amplifier which works as an output buffer stage, providing a low-impedance output to the external circuit.The differential amplifier has two inputs – the differential input, which is the input signal, and the common-mode input, which is a reference voltage that sets the comparison level between the two inputs. When the differential input and the common-mode input differ, then the output of the differential amplifier increases or decreases. The higher the difference between the two inputs, the higher the output.The output of the differential amplifier is then fed to the buffer amplifier, which buffers the signal and provides a low-impedance output. This ensures that the output signal is already at the right voltage and is not affected by any external changes in the circuit.The major benefit of MAX4041EUA+ is its low power consumption. It draws only 10µA and, when combined with its wide input common-mode voltage range and its thermal protection features, makes it ideal for use in hostile and harsh environments.

Conclusion

MAX4041EUA+ is an excellent choice for a wide range of instrumentation, monitoring, medical, communication, automotive and sensor applications. Its low power consumption, wide input common-mode voltage range, integrated thermal protection and high reliability make it an ideal choice for most applications. Its two-amplifier configuration ensures accurate and stable results, no matter the environment.

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