MAX14858GWE+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Transceiver
Protocol:	RS422, RS485
Number of Drivers/Receivers:	1/1
Duplex:	Full
Receiver Hysteresis:	20mV
Data Rate:	25Mbps
Voltage - Supply:	1.71 V ~ 5.5 V
Operating Temperature:	-40°C ~ 105°C
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	16-SOIC

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MAX14858GWE+T is a highly integrated, two-channel, single supply, isolated RS-485 interface IC. The device integrates the RS-485 transceiver and two power isolation channels, eliminating the need for two separate chips. The MAX14858GWE+T is designed for applications requiring wide temperature ranges such as industrial automation, smart building control systems, aerospace, and automotive applications. This application note will discuss the application field and working principle of the MAX14858GWE+T.The MAX14858GWE+T is well-suited for cost-sensitive applications requiring an isolated RS-485 interface. Its wide temperature range and integrated ESD protection make it ideal for harsh environments such as industrial automation, automotive, and aerospace applications. The device features integrated 5 kV RMS power isolation between both power sources and the RS-485 output signals, ensuring reliable data communication even in high-EMI applications. The MAX14858GWE+T also features integrated ESD protection on the RS-485 input and output pins. The RS-485 bus can be driven in one of three modes, including full-duplex, half-duplex, and echo.The MAX14858GWE+T is an isolated RS-485 transceiver with a wide temperature range and integrated 5 kV RMS power isolation. The device is designed for applications requiring bi-directional data communication with high data rates and low power consumption. It can be operated in one of three modes, including full-duplex, half-duplex, and echo. It features a wide -40°C to +125°C temperature range, fast data rates up to 250 Mbps, low power consumption, and integrated ESD protection on both the input and the output pins.The MAX14858GWE+T has a wide range of applications in industrial automation, automotive, and aerospace markets. It is well-suited for data communication in applications requiring two-wire serial communication such as industrial and building automation, industrial control networks, motion control, and data acquisition. Furthermore, the MAX14858GWE+T can be used in energy management systems, automotive communication systems, and lighting control systems. Furthermore, the device is suitable for implementing optical isolation in noisy environments, providing reliable communication and protection against high electric fields and EMI.The MAX14858GWE+T is based on the RS-485 standard for two-wire data communication. The device features ±15 kV ESD protection on both the input and the output pins, allowing reliable data communication in harsh environments such as industrial, aerospace, and automotive applications. The device has an integrated ESD protection circuitry which provides protection from high electric fields and EMI. The integrated 5 kV RMS power isolation prevents disruption or damage to circuitry connected to the device.The MAX14858GWE+T features a slew rate control for improved noise immunity which can be implemented via an external capacitor or resistive network. Furthermore, the device features a dual threshold feature which allows two thresholds to be set, one for high-speed data and one for low-speed data. This allows a higher data rate when the line is idle and a lower data rate when the line is active. The MAX14858GWE+T is designed to work with all common logic families, including TTL, CMOS, and NMOS. The device has an on-chip 250 Mbps driver, two power isolation channels, and two type-selectable receivers. The 250 Mbps driver provides fast data rates while the two power isolation channels protect the RS-485 output pins against overvoltage and reduces common-mode noise. The two type-selectable receivers allow the device to work with any logic family, from TTL to LVCMOS.In summary, the MAX14858GWE+T is a highly integrated, two-channel, single-supply, isolated RS-485 interface IC which features a wide temperature range and integrated 5 kV RMS power isolation. The device is ideal for applications requiring an isolated RS-485 interface, including industrial automation, smart building control systems, aerospace, and automotive applications. It features a slew rate control for improved noise immunity, a dual threshold feature, and is designed to work with all common logic families. It also features integrated ESD protection on the input and output pins, and can be operated in one of three modes, including full-duplex, half-duplex, and echo.

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