The MAX3232CAE+T can support data rates up to 250kbps, but it's recommended to limit the data rate to 120kbps for reliable operation.
Yes, the MAX3232CAE+T is compatible with 3.3V systems, but you'll need to ensure that the VCC pin is connected to a 3.3V power supply and the input signals are within the recommended voltage range.
To ensure reliable operation in noisy environments, use proper PCB layout techniques, such as separating the RS-232 signals from the power supply and ground planes, and adding noise filters or shielding to the circuit.
The recommended capacitor value for the charge pump capacitors (C1 and C2) is 0.1uF to 1uF, with a voltage rating of at least 16V. However, the optimal value may vary depending on the specific application and operating conditions.
No, the MAX3232CAE+T is designed for point-to-point RS-232 connections only. If you need to connect multiple devices, you'll need to use a different IC or a repeater/hub.