Details

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BUY MAX202ECWE+ https://www.utsource.net/itm/p/11714442.html
IC TRANSCEIVER FULL 2/2 16SOIC

Parameter	Description	Value
Part Number	Full Part Number	MAX202ECWE+
Function	RS-232 Line Driver/Receiver	1-Channel
Supply Voltage (VCC)	Operating Range	5V to 15V
Supply Current (ICC)	Typical at VCC = 5V	380μA
Output Voltage (VOH)	High-Level Output Voltage at VCC = 5V	+5V to +10V
Output Voltage (VOL)	Low-Level Output Voltage at VCC = 5V	-5V to -10V
Input Voltage (VIN)	Maximum Input Voltage	±25V
Data Rate	Maximum Data Rate	120kbps
Operating Temperature	Industrial Range	-40°C to +85°C
Storage Temperature	Storage Range	-65°C to +150°C
Package	Package Type	SOIC-8
Polarity Protection	Reverse Battery Protection	Yes
ESD Protection	Human Body Model (HBM)	±15kV

Instructions for Use:

1. Power Supply Connection:

   • Connect the VCC pin to a power supply within the range of 5V to 15V.
   • Connect the GND pin to the ground of the power supply.

2. Signal Connections:

   • Connect the T1IN and R1OUT pins to the UART TX and RX lines, respectively, of your microcontroller or other digital device.
   • Connect the T1OUT and R1IN pins to the RS-232 lines of the external device.

3. Grounding:

   • Ensure that the ground of the MAX202ECWE+ is connected to the ground of both the digital device and the RS-232 device to maintain proper signal integrity.

4. Capacitors:

   • Place a 0.1μF ceramic capacitor between VCC and GND as close to the MAX202ECWE+ as possible to filter out noise.
   • Place a 10μF electrolytic capacitor between VCC and GND for bulk capacitance.

5. Data Rate:

   • The MAX202ECWE+ supports data rates up to 120kbps. Ensure that the baud rate settings on both the digital and RS-232 devices are compatible.

6. Temperature Considerations:

   • The device operates within an industrial temperature range of -40°C to +85°C. Avoid exposing the device to temperatures outside this range for extended periods.

7. Polarity Protection:

   • The MAX202ECWE+ includes reverse battery protection, allowing it to withstand incorrect polarity connections without damage.

8. ESD Protection:

   • The device has built-in ESD protection, but handle it with care to avoid damage from static electricity. Use appropriate ESD precautions when handling the device.

9. Mounting:

   • Solder the device onto a PCB using standard surface mount technology (SMT) techniques. Ensure that the solder joints are clean and free of shorts.

10. Testing:

    • After assembly, test the device by sending and receiving data between the digital and RS-232 interfaces to verify proper operation.

(For reference only)