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MAX3130 - 3V to 5.5V / IrDA Infrared Transceiver with Integrated RS-232 Interface

General Description

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.

Key Features

  • o Integrated RS-232 and IrDA in Single 28-Pin SSOP Package o 370µA Supply Current o IrDA 1.2 Compatible: 2.4kbps to 115kbps Data Rate o On-Board IR Encoder/Decoder Allows Use of Non-IrDA UARTs o +3.0V to +5.5V Single-Supply Operation o Meet EIA/TIA-232 Specifications Down to +3V o 200mA, High-Current Infrared LED Drive o 1µA Low-Power Shutdown with RS-232 Receivers Active MAX3130/MAX3131 Ordering Information PART MAX3130CAI MAX3130EAI MAX3131CAI MAX3131EAI TEMP. RANGE 0°C to +70°C -40°C to +85.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-1402; Rev 0; 11/98 3V to 5.5V, IrDA Infrared Transceiver with Integrated RS-232 Interface General Description 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 highgain/low-noise PIN-diode amplifier with 100µA 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.