Texas Instruments MAX3222EIDWR RS-232 transceiver, full duplex, 2/2 drivers/receivers, 500kbps data rate, 3V to 5.5V supply, industrial -40°C to 85°C range, 20-SOIC package.
| Parameter | Value |
|---|---|
| Type | Transceiver |
| Mounting | Surface Mount |
| Supply voltage | 3V ~ 5.5V |
| Protocol | RS232 |
| Operating temperature | -40°C~85°C |
| Duplex | Full |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Data rate | 500kbps |
| Case | 20-SOIC (0.295\", 7.50mm Width) |
| Receiver hysteresis | 300 mV |
| Number of drivers (Receivers) | 2/2 |
The 3V to 5.5V supply window is the headline decision spec. At 500kbps the part keeps up with standard UART rates up to 115200 baud with margin; it also handles the 460800 baud used in some industrial protocols. The full-duplex capability means no software handshake for simultaneous transmit and receive, which simplifies the driver on the MCU side.
Designers need to ensure compatibility with their system's power rail.
Sourcing buyers need immediate purchase channels to fill BOM lines.
Availability directly affects production schedules and lead times.
Performance requirement for serial communication speed.
Package determines footprint and manufacturability on the PCB.
Compliance is mandatory for many markets and end products.