Details

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BUY MAX238CNG https://www.utsource.net/itm/p/11584499.html
IC TRANSCEIVER FULL 4/4 24DIP

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VCC	4.5	5	5.5	V	Operating supply voltage
Input Voltage Range	VIN	-15		+15	V	Maximum input voltage range
Output Voltage Range	VOUT	-15		+15	V	Maximum output voltage range
Driver Output Current	IOUT		300		mA	Maximum output current per driver
Receiver Input Current	IIN		±20		mA	Maximum input current per receiver
Data Rate	fDATA		120		kbps	Maximum data rate
Propagation Delay	tPD		1.5		μs	Propagation delay from input to output
Skew	tSKEW		0.2		μs	Maximum skew between outputs
Power Consumption (Driver)	IDD		0.5		mA	Quiescent current per driver
Power Consumption (Receiver)	IDD		0.1		mA	Quiescent current per receiver
Operating Temperature	Toper	-40		85	°C	Operating temperature range
Storage Temperature	Tstg	-65		150	°C	Storage temperature range

Instructions for Use

1. Power Supply:

   • Connect the VCC pin to a stable 5V power supply.
   • Ensure the ground (GND) is properly connected to the system ground.

2. Signal Connections:

   • Connect the RS-232 input signals (RX, TX) to the corresponding pins on the MAX238CNG.
   • The driver outputs (T1, T2) should be connected to the RS-232 output lines.
   • The receiver inputs (R1, R2) should be connected to the RS-232 input lines.

3. Decoupling Capacitors:

   • Place a 0.1μF ceramic capacitor between VCC and GND as close to the device as possible to filter out noise.

4. Termination:

   • For optimal performance, ensure that the RS-232 lines are properly terminated with a 120Ω resistor if necessary.

5. Data Rate:

   • The MAX238CNG supports data rates up to 120 kbps. Ensure that the baud rate of your system is within this range.

6. Temperature Considerations:

   • Operate the device within the specified temperature range (-40°C to 85°C) to avoid damage or malfunction.

7. Handling Precautions:

   • The MAX238CNG is sensitive to electrostatic discharge (ESD). Handle the device with proper ESD precautions to prevent damage.

8. Storage:

   • Store the device in a dry environment within the specified storage temperature range (-65°C to 150°C).

By following these guidelines, you can ensure reliable operation of the MAX238CNG in your application.

(For reference only)