DS2480B+ - Maxim Integrated

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

DS2480B+
Manufacturer

Maxim Integrated
ChipWorker Part#

CW17110888
Category

Interface IC, Interface Controller
Package

SOIC-8
Description

Single Transmitter/Receiver RS-232 8Pin SOIC N
Documentation

Datasheet

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DS2480B+ Specifications

Attribute	Attribute Value

Part Number	DS2480B+
Manufacturer	Maxim Integrated
ChipWorker Part#	CW17110888
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Supply Voltage (DC)	5.50V (max)
Number of Channels	1 Channel
Number of Positions	8 Position
Data Rate	115 kbps
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	4.5V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	4.5 V
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Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.5 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

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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