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DS2480 Datasheet PDF

Part Series:DS2480 Series
Category:Interface ICs
Description:Single Transmitter/Receiver RS-232 8Pin SOIC N
Document:DS2480B+ Datasheet PDF (32 Pages)

DS2480 Interface ICs Datasheet PDF

DS2480B+ - Maxim Integrated Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
8 Pin
Supply Voltage (DC)
5.50V (max)
Case/Package
SOIC-8
Number of Channels
1 Channel
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DS2480B+ - Maxim Integrated Function Overview

The DS2480B+ is a serial port to 1-Wire® Interface Chip, supports standard and overdrive speeds. It connects directly to UARTs and 5V RS-232 systems. Interfacing to RS-232C (±12V levels) requires a passive clamping circuit and one 5V to ±12V level translator. Internal timers relieve the host of the burden of generating the time-critical 1-Wire communication waveforms. In contrast to the DS9097(E) where a full character must be sent by the host for each 1-Wire time slot, the DS2480B+ can translate each character into eight 1-Wire time slots, thereby increasing the data throughput significantly. In addition, the DS2480B+ can be set to communicate at four different data rates, including 115.2, 57.6 and 19.2kbps, with 9.6kbps being the power-on default. Command codes received from the host"s crystal controlled UART serve as a reference to continuously calibrate the on-chip timing generator.
Simplifies Design of Universal RS-232 COM Port to 1-Wire® Interface True-ground
Interface to an RS-232 COM Port for Reading and Writing 1-Wire Devices
Works with Bipolar as well as Unipolar Logic Signals
Slew rate controlled 1-Wire pulldown & active pullup to accommodate long lines and reduce radiation
Communicates at Data Rates of 9.6kbps (Default), 19.2kbps, 57.6kbps and 115.2kbps
Self-calibrating Time Base with ±5% Tolerance for Serial and 1-Wire Communication
User-selectable RXD/TXD Polarity minimizes component count when Interfacing to 5V based RS232 System
Smart Protocol Combines Data and Control Information Without Requiring Extra Pins
Compatible with Optical, IR and RF to RS232 Converters
Single Product Supports Various iButton® or 1-Wire Device Types for Easy System Integration
Supports Reading and Writing at Standard and Overdrive Speeds
Provides Strong Pullup to 5V for Temperature and EEPROM 1-Wire Devices
Programs 1-Wire EPROM Devices with External 12V Power Supply
1-Wire timing and driver characteristics accommodate a wide range of slave device configurations
Stress rating only and functional operation of the device at these or any other conditions indicated in the operation sections of this specification is not implied.
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