MAX3120EUA+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Transceiver
Protocol:	Infrared (IRDA)
Number of Drivers/Receivers:	1/1
Duplex:	Full
Data Rate:	235Kbps
Voltage - Supply:	3 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package:	8-uMAX
Base Part Number:	MAX3120

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Introduction to the MAX3120EUA+TThe MAX3120EUA+T is a low-power, integrated, dual-channel T-type RS-232 transceiver, providing a complete solution for two independent RS-232 half-duplex data links. This transceiver offers all the features and performance needed to interface between computers, peripherals, and other systems with RS-232 ports, while reducing power consumption and lowering pin count.Features of the MAX3120EUA+TThe MAX3120EUA+T can provide significant advantages and features over traditional RS-232 transceivers, such as lower power consumption, higher data rates, and improved noise immunity. Some of its features include: • Low operating voltage: Down to 2.7V, the MAX3120EUA+T can operate with form 2.5V to 5.5V supply voltage.• High data rate: The MAX3120EUA+T can support data rates up to 1 Mbps. • ESD protection: The MAX3120EUA+T has integrated ESD protection for both pins 6 and 7 of each receive and transmit channel; which is both IEC 1000-4-2 and IEC 1000-4-3 compliant.• Active bus monitoring: The MAX3120EUA+T has a featured called Active Bus Monitoring which allows the device to sense the presence of an active RS-232 data link and turn off power in the absence of such. This feature conserves power and extends battery life.Application Fields of The MAX3120EUA+TThe MAX3120EUA+T is an ideal solution for incorporating two-channel RS-232 interfaces into a wide range of applications including: • Automation and control systems• Medical instruments• Low-power computing • Data acquisition systems• Industrial and building automation• Home monitoring and control systems• Motor control systems• Security systems• Power line communication systemsWorking Principle of The MAX3120EUA+TThe MAX3120EUA+T uses two separate, independent channels to send and receive data. The transmit direction of each channel is independently isolated from the receive direction. The transmit direction works by converting an input TTL signal into an RS-232 signal, while the receive direction works by converting an input RS-232 signal into a TTL signal. This transceiver is powered from the same power rails as the TTL-level serial bus. The MAX3120EUA+T supports speeds up to 1 Mbps for consistent and reliable data transmission. The device includes low power consumption idle and sleep modes, which are ideal for battery-powered applications. When enabled, the power-saving feature reduces power consumption by monitoring the RS-232 line and automatically shutting down both the internal and external power in the event of an inactivity. In order to interface with the TTL-level serial bus, the MAX3120EUA+T supports low-voltage logic, allowing it to be used in a wide variety of applications.ConclusionThe MAX3120EUA+T is a low power, dual-channel, T-type RS-232 transceiver, providing a complete solution for two independent RS-232 half-duplex data links. This transceiver can provide significant advantages and features over traditional RS-232 transceivers, such as lower power consumption, higher data rates, and improved noise immunity. The MAX3120EUA+T is an ideal solution for incorporating two-channel RS-232 interfaces into a wide range of applications, where its low-power operation and high data rates make it an optimal choice. It works by converting an input TTL signal into an RS-232 signal in the transmit direction, and converting an input RS-232 signal into a TTL signal in the receive direction.

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