Specifications
SKU: 11226632
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:
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.
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.
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.
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.
Signal Ground:
- Ensure that the signal ground (GND) of the MAX3232CSE is connected to the ground of the system and the external device.
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.
Propagation Delay:
- The propagation delay time (tpd) is typically 35ns under standard conditions. This should be considered when designing the timing of your system.
Power Dissipation:
- The maximum power dissipation is 200mW. Ensure that the device is adequately cooled if it is operating near this limit.
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)Inquiry - MAX3232CSE