SP3249 - Intelligent +3.0V to +5.5V RS-232 Transceivers

Sipex

Datasheet Details

Part number	SP3249
Manufacturer	Sipex
File Size	128.46 KB
Description	Intelligent +3.0V to +5.5V RS-232 Transceivers
Datasheet	SP3249 Datasheet

General Description

The SP3249E device is an RS-232 transceiver solution intended for portable or hand-held applications such as notebook and palmtop computers.

The SP3249E uses an internal high-efficiency, charge-pump power supply that requires only 0.1µF capacitors in 3.3V operation.

This charge pump and Sipex's driver architecture allow the SP3249E device to deliver compliant RS-232 performance from a single power supply ranging from +3.0V to +5.0V.

Overview

® SP3249E Intelligent +3.0V to +5.5V RS-232 Transceivers s Meets true EIA/TIA-232-F Standards from a +3.0V to +5.5V power supply s Interoperable with EIA/TIA-232 and adheres to EIA/TIA-562 down to a +2.

Key Features

Sipex's proprietary and patented (U. S. #5,306,954) on-board charge pump circuitry that generates ±5.5V RS-232 voltage levels from a single +3.0V to +5.5V power supply. The SP3249E device can operate at a data rate of 250kbps fully loaded. The SP3249E is a 5-driver/3-receiver device, ideal for portable or hand-held.

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