MAX3892ETH+

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Function:	Serializer
Data Rate:	2.7Gbps
Input Type:	LVDS
Output Type:	CML
Number of Inputs:	4
Number of Outputs:	1
Voltage - Supply:	3 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	44-WFQFN Exposed Pad
Supplier Device Package:	44-TQFN-EP (7x7)
Base Part Number:	MAX3892

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Interface - Serializers, Deserializers

MAX3892ETH+, an RS232 transceiver designed by Maxim Integrated, is an ideal choice for facilitating data transfer applications requiring consistent and faultless communication over long distances. It enables reliable data transmission over twisted pair cables, ensuring isolation from ground and data integrity. The device does this by providing differential signal connections to the interfacing circuits and then serializing and deserializing the data into parallel form for subsequent processing.

The Application of the MAX3892ETH+

The MAX3892ETH+ is a vital tool for linking an RS232 peripheral port with an Ethernet node. It allows users to connect ports over Ethernet to devices located in remote or neighboring locations, enabling them to access resources over networks. The device provides reliable data transmission up to 2.048 Mbps, allowing AES or Blowfish encryption at all times. Furthermore, by providing inline termination on power and data lines, it is able to eliminate ground noise and isolate the data line from the host circuitry.The MAX3892ETH+ is commonly used in a wide variety of data transmission applications, including security, industrial and automotive communication applications. It is also extensively used in patient monitoring and laboratory equipment, as well as remote instrument, building and lighting control system, among other applications.

MAX3892ETH+’s Working Principle

The MAX3892ETH+ transceiver operates by serializing the parallel data in its input on the transmit side, and deserializing the serial data on the receiver side into parallel data. The routine begins by encoding the parallel data from the RS232 line into a serial stream of data. It then encodes that stream into a multi-level voltage differential format, which is transmitted through the twisted pair cable.The receiver side then takes the serial data received over the wire and decodes them into a digital format. This data is then deserialized into parallel form similar to the original data that were received at the transmitter side of the transceiver. Any necessary error-checking and correcting is done at this stage.The transceiver delivers its data functions over two twisted pair lines, a receive line pair and a transmit line pair. The device utilizes line drivers and receivers in each pair of lines. The transmit pair contains a line driver and receiver, with the line driver providing a pair of opposed differential signal of voltages that are connected to the twisted pair receiver. The receiver, with its circuit protection and signal-level translation provided by line drivers, receives the signal from the twisted pair and converts them into digital logic levels.

Data Isolation and Signal Level

When driving the differential signals over twisted pairs, the data lines should be protected from ground and noise. The MAX3892ETH+ allows power and data lines to be isolated and terminated on-chip, making the transceiver resistant to voltage noise, ground loops and radio frequency interference. This gives it an extra layer of protection from outside interference, ensuring the data transmitted and received is safely retained in its original form.It also compensates for signal level differences between the transmitting and receiving circuits, which helps ensure reliable data transmission even if the source circuit and the destination circuit have different voltage levels. This signal level translation also eliminates the need for external voltage clamping, providing consistent and faultless signal integrity over long distance transmissions.

Benefits of Using the MAX3892ETH+

The MAX3892ETH+ is an excellent choice for those looking for a reliable and efficient way to transmit data. Its inline termination of power and data lines allow grounding noise to be eliminated while providing signal isolation at all times. The device also features signal level translation, which improves data integrity even when the source and destination circuits have different voltage levels.In addition, the transceiver provides data rates of up to 2.048 Mbps, allowing AES and Blowfish encryption to be used. Its superior signal reduction, noise isolation, line driver and receiver performance account for its outstanding performance in a range of applications. These features make it ideal for a variety of data transmission applications such as patient monitoring, laboratory equipment, security, industrial and automotive communication applications, remote instrumentation, building and lighting control systems, and more.

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