MAX3130, MAX3131 3V To 5.5V, IrDA Infrared Transceiver With Integrated RS-232 Interface

The MAX3130 MAX3131 combine an IrDA 1.2 compatible infrared transceiver with an RS-232 interface-all in a single 3V-powered hybrid microcircuit. The infrared transceiver supports IrDA data rates of 2.4kbps to 115kbps. The infrared receive channel provides a high-gain/low-noise PIN-diode Amplifier with 100A of ambient Photodiode current rejection at a +3V supply. A high-power LED Driver capable of sinking 200mA is included in the infrared transmit path. The on-board encoder/decoder (ENDEC) compresses/stretches signals to and from the external UART allowing IrDA Communication even with non-IrDA UARTs
A 2-driver/2-receiver RS-232 transceiver supports data rates up to 120kbps. A proprietary, high-efficiency, dual charge-pump power supply and a low-dropout transmitter combine to deliver true RS-232 performance from a single +3.0V to +5.5V supply. Selectable shutdown for IR and RS-232 circuitry reduces supply current to 1A.
The MAX3130 is optimized for applications using a single UART for both infrared and RS-232 Communication The infrared transmitter input and infrared receiver output are multiplexed with one RS-232 transmitter input and one RS-232 receiver output, respectively. The MAX3131 's IrDA transceiver and RS-232 transceivers are separate and have their own data inputs and outputs.
Both these devices require a minimum of external components: four small 0. 77d 1F capacitors, a Photodiode an infrared LED and a current-setting resistor.
By Maxim Integrated Products
MAX3131 's PackagesMAX3131 's pdf datasheet

MAX3131 Pinout, Pinouts
MAX3131 pinout,Pin out
This is one package pinout of MAX3131,If you need more pinouts please download MAX3131's pdf datasheet.

MAX3131 Application circuits
MAX3131 circuits
This is one application circuit of MAX3131,If you need more circuits,please download MAX3131's pdf datasheet.

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