MAX7401CSA+T

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Filter Type:	Bessel, Low Pass Switched Capacitor
Frequency - Cutoff or Center:	5kHz
Number of Filters:	1
Filter Order:	8th
Voltage - Supply:	4.5 V ~ 5.5 V
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	MAX7401

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MAX7401CSA+T Application Field and Working Principle

Introduction

MAX7401CSA+T is a low cost, yet highly integrated active filter designed to control the common-mode voltages and EMI signals presented to the system\'s analog and digital interface. It provides enhanced EMI filtering for sensitive system boards or chipsets. This filter is ideal for use in systems that require both EMI suppression and high speed, digital signal transmission. With its unique dual mode capability and wide bandwidth, the MAX7401CSA+T can provide robust protection against EMI and significantly improved signal transmission.

Application Field

The MAX7401CSA+T active filter can be used in a wide variety of applications such as personal computers, consumer electronics, medical instruments, data communication and automotive control systems. For example, it can be used to reduce the unwanted EMI generated by high speed, digital signals in consumer electronics, medical instruments and data communication systems. Additionally, it can be used to reduce the common mode voltages presented to the system\'s analog and digital interface.

Working Principle

The MAX7401CSA+T active filter works by applying a fixed, low cost, voltage level to the input of the filter. This voltage level is then adjusted, based on the specific needs of the system, to filter out unwanted EMI and provide superior common mode control. The MAX7401CSA+T filter can be adjusted from as low as 0.05 V to as high as 2.5 V. Additionally, the filter can also be adjusted for a wide range of frequency characteristics, ranging from DC to 1 MHz.The MAX7401CSA+T active filter is based on a unique, patent-pending dual-mode topology. The dual-mode topology uses a combination of high speed, low power, and high power stages to provide superior EMI suppression and improved signal transmission. The filter can be adjusted, in both the high speed and low power stages, to filter out unwanted noise and static signals. Additionally, the high power stage of the filter provides additional protection by allowing it to respond quickly to changing noise levels and frequency characteristics.

Conclusion

The MAX7401CSA+T active filter offers an economical solution for EMI suppression and improved signal transmission. Its unique, patent-pending dual-mode topology provides robust protection against unwanted EMI and improved signal transmission, and can be adjusted from as low as 0.05 V up to 2.5 V. The MAX7401CSA+T is ideal for use in digital systems that require high speed, digital signal transmission.

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