| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 28 Pin |
| Supply Voltage (DC) | 3.00V (min) |
| Case/Package | SSOP-28 |
| Number of Positions | 28 Position |
| Data Rate | 250 kbps |
| Operating Temperature (Max) | 70 ℃ |
| Operating Temperature (Min) | 0 ℃ |
| Supply Voltage | 3V ~ 5.5V |
| Supply Voltage (Max) | 5.5 V |
| Supply Voltage (Min) | 3 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Size-Length | 10.33 mm |
| Size-Width | 5.38 mm |
| Size-Height | 1.78 mm |
| Operating Temperature | 0℃ ~ 70℃ |
The MAX3250CAI+ is a ±50V isolated RS-232 Transceiver for programmable logic controller and point-of-sale equipment. The MAX3250 is a 3.0 to 5.5V powered, ±50V isolated EIA/TIA-232 and V.28/V.24 communications interface with high data-rate capabilities. The MAX3250 is a dual die part that operates with up to ±50V difference between the RS-232 side and the logic side (ISOCOM to GND). This makes the device ideal for operation in noisy conditions with high common-mode voltages. This feature prevents damage to the device if RS-232 lines are inadvertently short-circuited to a +24 or ±48V power bus. The MAX3250 is powered by a single 3 to 5.5V supply on the logic side. Power is transferred from the logic side to the isolated side by ±100V external capacitors. The MAX3250 has two receivers (Rx) and two drivers (Tx) and is guaranteed to run at data rates of 250kbps while maintaining RS-232 output levels.
● Isolation breaks ground loops due to high common-mode voltages while maintaining data rate
● Shutdown allows multiple interfaces (IrDA, RS-232, RS-485) to be connected to the same UART
● Inductorless/transformerless design simplifies EMI compliance
● Meets EIA/TIA-232 specifications down to 3.0V
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