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MAX3232CSE

Specifications

SKU: 11226632

BUY MAX3232CSE https://www.utsource.net/itm/p/11226632.html

Parameter Symbol Conditions Min Typ Max Unit
Operating Supply Voltage VCC - 2.7 - 5.5 V
Operating Temperature Range TA - -40 - 85 °C
Driver Output High-Level Voltage VOH VCC = 5V, IL = -4mA 2.8 - 5.0 V
Driver Output Low-Level Voltage VOL VCC = 5V, IL = 16mA 0.0 - 0.5 V
Receiver Input High-Level Voltage VIH - 2.0 - 5.5 V
Receiver Input Low-Level Voltage VIL - 0.0 - 0.8 V
Driver Output Current (Source) IOH VOH = 2.8V - 4 - mA
Driver Output Current (Sink) IOL VOL = 0.5V - -16 - mA
Receiver Input Current IIN - -1 0 1 mA
Power Dissipation PD - - - 200 mW
Propagation Delay Time (Driver to Receiver) tpd VCC = 5V, Typical Load - 35 - ns
Skew (Between Outputs) tskew VCC = 5V, Typical Load - 5 - ns

Instructions for Using MAX3232CSE:

  1. Power Supply:

    • Ensure that the supply voltage (VCC) is within the range of 2.7V to 5.5V.
    • Connect the VCC pin to the power supply and GND to ground.
  2. Capacitors:

    • Use four 0.1μF capacitors (C1, C2, C3, C4) for the charge pump circuit. Place them as close as possible to the MAX3232CSE to minimize noise and improve performance.
  3. RS-232 Connections:

    • Connect the RS-232 driver outputs (T1OUT, T2OUT) to the corresponding RS-232 receiver inputs on the external device.
    • Connect the RS-232 receiver inputs (R1IN, R2IN) to the corresponding RS-232 driver outputs on the external device.
  4. TTL/CMOS Interface:

    • Connect the TTL/CMOS inputs (R1OUT, R2OUT) to the microcontroller or other digital logic.
    • Connect the TTL/CMOS outputs (T1IN, T2IN) to the microcontroller or other digital logic.
  5. Signal Ground:

    • Ensure that the signal ground (GND) of the MAX3232CSE is connected to the ground of the system and the external device.
  6. Operating Temperature:

    • The device is designed to operate within the temperature range of -40°C to 85°C. Ensure that the operating environment does not exceed these limits.
  7. Propagation Delay:

    • The propagation delay time (tpd) is typically 35ns under standard conditions. This should be considered when designing the timing of your system.
  8. Power Dissipation:

    • The maximum power dissipation is 200mW. Ensure that the device is adequately cooled if it is operating near this limit.
  9. Skew:

    • The skew between outputs (tskew) is typically 5ns. This should be considered when designing systems with tight timing requirements.

By following these instructions and parameters, you can ensure reliable operation of the MAX3232CSE in your RS-232 interface applications.

(For reference only)

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