MAX236EWG

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Transceiver
Protocol:	RS232
Number of Drivers/Receivers:	4/3
Duplex:	Full
Receiver Hysteresis:	500mV
Data Rate:	120Kbps
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	24-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	24-SOIC
Base Part Number:	MAX236

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MAX236EWG is an interface-driven device that enables transmission of signals between two devices. It provides the necessary voltage translation (TTL-to-RS-232) and signal conditioning for reliable communication. Its unique design and use of power supplies enable the maximum of two parts to communicate in a robust fashion over long distances.MAX236EWG is a single integrated device that has the function of both a driver and a receiver. It contains one driver for transmissions and one receiver for receiving signals.The driver is the part of the chip that sends out a signal. The driver section is capable of sending both asynchronous and synchronous serial information signals while maintaining an Isolation Break-Before-Make (IBM) logic. The driver section utilizes driver control lines to enable the transmission of data. These include the TX enable (TXEN) line, the transmit output (TXO) line, the different source ready 2 (SR2) line, and the reset (RES) line.The receiver is the part of the chip that receives the signals being sent out. It has its own array of control lines for receiving the signals which include the receiver enable (RXEN) line, the associated receive input (RXI) line, the receiver ready (RR) line, and the different source ready 3 (SR3) line.Both driver and receiver parts of the chip have their own associated power supply. The driver part needs a separate positive and negative supply while the receiver part is driven by a single dual-rail supply.The MAX236EWG is a key component used in industry to provide isolating and level-shifting. It is used in a wide variety of applications, including high-speed data communication, point-of-sale equipment, industrial controllers, and servers. The use of this chip in these applications is ideal due to its ability to provide isolation and data translation between different parts.In terms of applications and working principles, this device enables data communication in TTL and RS-232 protocol. As already discussed the driver and receiver parts are powered differently and have different control lines. The driver requires a positive and negative supply and enables TTL output, while the receiver requires a common rail supply and enables RS-232 output. The driver also has additional lines for measuring the data rate and source ready signals, while the receiver includes a line to monitor the state of the data and receiver ready lines.In conclusion, the MAX236EWG daisy-chain device is an ideal choice to bridge the gap between TTL and RS-232 protocol. Its ability to detect the fast changing data rates and to provide isolation for different devices makes it the perfect choice for high speed data communication and industrial controllers. By leveraging the power supply design where different internal parts are powered independently, the MAX236EWG enables reliable communication over long distances.

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