Details

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BUY MAX232EWE+T https://www.utsource.net/itm/p/12597541.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Operating Voltage	VCC		4.75	5	5.25	V
Operating Temperature Range	Toper		-40		85	掳C
Storage Temperature Range	Tstg		-65		150	掳C
Input Voltage (Digital)	VIN		0		VCC	V
Output Voltage (RS-232)	VOUT	Load = 10k惟	卤5	卤7	卤15	V
Output Current (RS-232)	IOUT		卤5		卤30	mA
Input Current (Digital)	IIN		0	1	10	渭A
Quiescent Current	IQ	All outputs high	0.4	4	10	mA
Capacitor Value	C1-C4	For 卤10V output	1		10	渭F
Capacitor Value	C5	For 卤10V output	0.1		1	渭F

Instructions for Using MAX232EWE+T:

1. Power Supply:

   • Connect the VCC pin to a 5V power supply.
   • Ground the GND pin.

2. Capacitors:

   • Connect four 1渭F capacitors (C1, C2, C3, C4) between the appropriate pins as specified in the datasheet.
   • Connect a 0.1渭F capacitor (C5) between VCC and GND for decoupling.

3. Digital Inputs and Outputs:

   • Connect digital signals to the T1IN, T2IN, R1IN, and R2IN pins.
   • The corresponding RS-232 outputs will be available at T1OUT, T2OUT, R1OUT, and R2OUT.

4. RS-232 Inputs and Outputs:

   • Connect RS-232 signals to the T1OUT, T2OUT, R1IN, and R2IN pins.
   • The corresponding digital outputs will be available at R1OUT and R2OUT.

5. Operation:

   • The MAX232EWE+T converts TTL/CMOS logic levels to RS-232 levels and vice versa.
   • Ensure that the input signals are within the specified voltage range (0 to VCC).

6. Temperature Considerations:

   • Operate the device within the specified temperature range (-40掳C to 85掳C).
   • Store the device within the storage temperature range (-65掳C to 150掳C).

7. Capacitor Selection:

   • Use ceramic or tantalum capacitors for C1 to C4.
   • Use a ceramic capacitor for C5 for better high-frequency performance.

8. Layout Considerations:

   • Place the capacitors as close as possible to the IC to minimize parasitic inductance.
   • Use a ground plane to reduce noise and improve signal integrity.

9. Handling:

   • Handle the device with care to avoid static damage.
   • Follow ESD (Electrostatic Discharge) precautions when handling the IC.

(For reference only)