MAX14934FAWE+

Common Mode Transient Immunity (Min):	25kV/µs (Typ)
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	1.71 V ~ 5.5 V
Rise / Fall Time (Typ):	2ns, 2ns
Pulse Width Distortion (Max):	1ns
Propagation Delay tpLH / tpHL (Max):	7.5ns, 7.4ns
Data Rate:	150Mbps
Series:	--
Voltage - Isolation:	5000Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	4/0
Number of Channels:	4
Isolated Power:	No
Type:	General Purpose
Technology:	Capacitive Coupling
Part Status:	Active
Packaging:	Tube

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Introduction

Digital Isolators are semiconductor devices used to separate two electrically isolated circuits. They provide isolation by means of capacitive coupling while allowing fast data transmission between the two domains. In order to make the signals reliable, the isolate must be designed with a very low output offset voltage and be able to withstand high voltage transients and suppress noise. The MAX14934FAWE+ is a digital isolator device that offers superior isolation performance, low propagation delay, and high speed.

Applications

The MAX14934FAWE+ is a digital isolator with an integrated isolator and line driver. It can be used in a variety of applications where DC-to-DC isolation is needed. The device is ideal for applications such as data acquisition systems, instrumentation, and battery-powered systems that require a reliable and robust isolation solution. This digital isolator is also suitable for industrial automation and control, medical systems, and other industrial equipment.

Features

The MAX14934FAWE+ digital isolator offers a wide range of features to ensure reliable data transmission and suppression of noise. The device integrates a high-speed line driver that transmits up to 2Mbps data rates, a low propagation delay of 0.5 ns, and an extended common-mode transient immunity of 20 kV/N. It features an integrated EMI filter structure that provides EMI protection, and the device also supports a wide range of power supply and operating temperature ranges.In addition, the MAX14934FAWE+ offers a wide range of data signal formats, such as RS-232, RS-485, and CANbus for data transmission in noisy environments. The integrated isolator circuitry is self-clocked, making it ideal for use in applications such as data acquisition and control.

Working Principle

The MAX14934FAWE+ uses a capacitive coupling technique to provide isolation between the two connected circuits. This technique utilizes the capacitive coupling between the two circuits to effectively isolate the two domains while still allowing fast data transmission.The device works by using a pair of capacitively coupled transmission lines to transfer the digital data signal from the input circuitry to the output circuitry. The two lines are capacitively coupled in order to provide the high-voltage isolation, while the two lines are also coupled in order to provide a fast data transfer rate.

Conclusion

The MAX14934FAWE+ digital isolator is a high-performance device designed to provide reliable data transmission and isolation between two disconnected circuits. The integrated high-speed line driver and low propagation delay makes it suitable for a variety of applications such as data acquisition systems and industrial automation and control. The integrated EMI filter structure and wide range of data formats make it ideal for use in noisy environments. The device utilizes a capacitive coupling technique to provide the necessary isolation while providing a fast data transfer rate.

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