MAX1489EEPD

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Receiver
Protocol:	RS232
Number of Drivers/Receivers:	0/4
Duplex:	--
Receiver Hysteresis:	1.11V
Data Rate:	120Kbps
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Through Hole
Package / Case:	14-DIP (0.300", 7.62mm)
Supplier Device Package:	14-PDIP
Base Part Number:	MAX1489

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Introduction

MAX1489EEPD is a universal automotive transceiver from Maxim Integrated, which operates from 1.6–5.5V. Its automobiles transceiver acts as an interface between two signals, providing the ability to directly connect microprocessors, LCDs and other types of displays to the microcontroller. This universal device can be used in any automotive system, such as instrument clusters, vehicle clusters, HVAC systems, navigation systems, and more.

Application Field

The MAX1489EEPD can be used in many different application fields including climate control systems, instrument clusters, headrest displays, automotive entertainment systems, immobilization systems, telematics and infotainment systems, and more. Its universal design allows it to be used in many different types of automotive applications, including body control modules, engine control modules, occupancy detection systems, light and hazard control systems, in-vehicle networking systems, and more.The MAX1489EEPD is suitable for use within in-vehicle networks such as CAN, LIN, Ethernet, and FlexRay. Additionally, MAX1489EEPD provides a low-power standby mode, which allows it to reduce energy consumption and increase efficiency in systems with periodic wakeup events.

Working Principle

When it comes to working principle, the MAX1489EEPD enables two signals to be connected in parallel. It provides an inverted logic signal from one signal to the other, providing flexibility for connecting different modules and other components.On the one side, the transceiver passes data between an external signal (such as an ADC) and any other device, similar to a bidirectional buffer. On the other side, the transceiver amplifies the signal from one device (such as a microcontroller) and sends it to a second device. This can be used to reduce EMI/noise and increase signal integrity.It also provides the necessary impedance matching between the downstream modules, allowing for better signal to noise ratio. The device also offers protection against power supply faults and is configured through the use of a control pin, allowing for flexibility in connecting different components.

Conclusion

In conclusion, the MAX1489EEPD is a versatile transceiver designed specifically for automotive applications. It provides the ability to connect two different signals in parallel, while also negotiating the necessary impedance matching and providing protection against power supply faults. The device is used in many different types of automotive applications, including climate control systems, instrument clusters, headrest displays, automotive entertainment systems, immobilization systems, telematics and infotainment systems, and more. As it is a universal device, it can also be used in any automotive system demanding a bi-directional signal transceiver.

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