Details

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BUY MAX3232EUE https://www.utsource.net/itm/p/6800464.html

Parameter	Conditions	Min	Typ	Max	Unit
Operating Voltage (Vcc)	-	3.0	5.5	-	V
Output Current	Per Line Driver	-	10	-	mA
Data Rate	RS-232 Port	-	120	-	kbps
Input Capacitance	-	-	4	-	pF
Output Capacitance	-	-	7	-	pF
Power Supply Current	All Lines Idle	-	60	-	μA
Shutdown Current	In Shutdown Mode	-	1	-	μA

Instructions for MAX3232EUE

1. Power Supply Connection:

   • Connect the VCC pin to a power supply between 3.0V and 5.5V.
   • Ensure the GND pin is connected to the system ground.

2. RS-232 Interface Configuration:

   • Connect the T1OUT, R1IN, T2OUT, and R2IN pins to the corresponding lines of an RS-232 interface.
   • Use external capacitors as specified in the datasheet for level conversion.

3. TTL/CMOS Interface Connection:

   • Connect the T1IN, R1OUT, T2IN, and R2OUT pins to TTL or CMOS logic circuits.

4. Capacitor Installation:

   • Install 0.1μF capacitors between VCC and GND close to the device.
   • Place additional capacitors as required by the application, especially for proper operation of the charge pumps.

5. Shutdown Mode:

   • To enter shutdown mode, pull the SHDN pin low. This reduces power consumption significantly.
   • Return the SHDN pin to high to resume normal operation.

6. Data Transmission:

   • Ensure data rates do not exceed 120kbps to maintain reliable communication over RS-232.

7. Handling Electrostatic Discharge (ESD):

   • The MAX3232EUE has built-in ESD protection but handle with care to avoid damage.

8. Layout Considerations:

   • Keep signal traces short to minimize noise and crosstalk.
   • Follow recommended PCB layout guidelines for optimal performance.

Note: For detailed specifications and absolute maximum ratings, refer to the official MAX3232EUE datasheet provided by Maxim Integrated.

(For reference only)