Description

The MAX3110E/MAX3111E is a model of electronic component belonging to the UARTs (Universal Asynchronous Receiver Transmitter) category. It is designed for use in space-, cost-, and power-constrained applications. This component combines a full-featured universal asynchronous receiver/transmitter (UART) with ±15kV ESD-protected RS-232 transceivers and integrated charge-pump capacitors into a single 28-pin package. It also features an SPI™/QSPI™/MICROWIRE™-compatible serial interface, which helps to save additional board space and microcontroller (µC) I/O pins.

Specifications and features

• Integrated RS-232 Transceiver and UART in a Single 28-Pin Package
• SPI/QSPI/MICROWIRE-Compatible µC Interface
• Internal Charge-Pump Capacitors—No External Components Required!
• True RS-232 Operation Down to VCC= +3V (MAX3111E)
• ESD Protection for RS-232 I/O Pins
• ±15kV—Human Body Model
• ±8kV—IEC 1000-4-2, Contact Discharge
• ±15kV—IEC 1000-4-2, Air-Gap Discharge
• Single-Supply Operation
• +5V (MAX3110E)
• +3.3V (MAX3111E)
• Low Power
• 600µA Supply Current
• 10µA Shutdown Supply Current with Receiver Interrupt Active
• Guaranteed 230kbps Data Rate
• Hardware/Software-Compatible with MAX3100 and MAX3222E

Application Scenarios

The MAX3110E/MAX3111E can be used in various applications that require a combination of UART and RS-232 functionalities. These applications include but are not limited to:

• Embedded systems
• Industrial automation
• Communications equipment
• Consumer electronics

Comparison

• All-in-one solution with integrated UART and RS-232 transceivers
• Compact size with only 28 pins
• Wide operating voltage range (VCC= +3V to +5V)
• ESD protection for RS-232 I/O pins
• Low power consumption

• May not be suitable for applications requiring higher data rates
• May not be compatible with certain microcontrollers
• External components may be required for some applications