MAX248EQH-D

Series:	--
Packaging:	Bulk
Part Status:	Active
Type:	Transceiver
Protocol:	RS232
Number of Drivers/Receivers:	8/8
Duplex:	Full
Receiver Hysteresis:	500mV
Data Rate:	120Kbps
Voltage - Supply:	4.75 V ~ 5.25 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	44-LCC (J-Lead)
Supplier Device Package:	44-PLCC (16.51x16.51)
Base Part Number:	MAX248

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MAX248EQH-D is a part of the MAX248EQH family of differential bus transceivers that provide voltage-level translation. It is designed to drive the bus lines up to a maximum of 20 mA, commonly used in a wide range of applications, such as embedded systems, communications, and automotive electronics. The MAX248EQH-D is a differential bus transceiver designed to provide voltage-level translation between a higher logic level (up to 7 V) and a lower logic level (down to 0.8 V) using a special dual-power operation mode. The MAX248EQH-D operates in two different power modes - 1.8V and 3.3V operation modes. When the 1.8V operating mode is selected, all inputs and outputs are VCC1.8 compliant. This ensures that all bus lines can be driven to the specified maximum current level. When the 3.3V operating mode is selected, all inputs and outputs are VCC3.3 compliant. This ensures that all bus lines can be driven to the specified maximum current level. In both operating modes, the logic to voltage level conversion is done via a differential pair of voltage converters, which provides a high input impedance and high output current capability.The MAX248EQH-D has four differential pulse transformer (DPT) drivers. These drivers convert full-duplex signals from the control bus to differential signals on the output bus, allowing for higher data rates from the control bus to the output bus. The DPT drivers also allow for a greater propagation distance for the signals, which is essential for applications utilizing long data transmission lines.The MAX248EQH-D also has four differential amplifier receivers. The receivers convert the differential signals from the input bus to single-ended signals on the control bus, allowing for lower data rates from the input bus to the control bus. This is useful in applications that require lower data rates and/or receive data only in one direction.The MAX248EQH-D can also be used as a bridge transceiver. In this application, the MAX248EQH-D can connect two separate buses, allowing for information to be transmitted between the two. This has applications in networking, automotive, industrial, and medical fields.Finally, the MAX248EQH-D is equipped with two bias supplies, which allows for an optimal operating current in either the 1.8V or 3.3V operating modes. The device can also be configured for automatic current control, ensuring that the proper current level is maintained for each stage of the transmission process.Overall, the MAX248EQH-D is an excellent choice for a variety of applications. It is a robust and reliable device, capable of providing voltage-level translation, as well as connecting two separate buses. It is also equipped with two bias supplies, allowing for use in either the 1.8V or 3.3V operating modes. Finally, it has four differential pulse transformers allowing for higher data rates from the control bus to the output bus, as well as four differential amplifier receivers, allowing for lower data rates from the input bus to the control bus.

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