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DS2480B SO-8 serial 1-wire driver with load sensor

1-959.00 SEK
10-2453.10 SEK
25+44.25 SEK

56 in stock

Part.no: 40362480
Description

Serial 1-Wire Line Driver with Load Sensor

The DS2480B is a serial port to 1-Wire interface chip that supports regular and overdrive speeds. It connects directly to UARTs and 5V RS232 systems. Interfacing to RS232C (+/-12V levels) requires a passive clamping circuit and one 5V to +/-12V level translator.

Features

* Universal, Common-Ground Serial Port to 1-Wire Line Driver for MicroLAN Applications
* Works with All iButtons and MicroLAN-Compatible 1-Wire Slave Devices
* Communicates at Regular and Overdrive 1-Wire speed and Serial Port Data Rates of 9600 (default), 19200, 57600, and 115200 bps
* Supports 12V EPROM Programming and Stiff 5V Pullup for Crypto iButton, Sensors and EEPROM
* Load Sensor to Terminate the Stiff Pullup as the Energy Demand of the Crypto iButton Drops
* Self-Calibrating Time Base with +/-5% Tolerance for Serial and 1-Wire Communication
* Slew Rate Controlled 1-Wire Pulldown and Active Pullup to Accommodate Long Lines and Reduce Radiation
* User-Selectable RXD/TXD Polarity Minimizes Component Count When Interfacing to 5V Based RS232 Systems or Directly to UARTs
* Programmable 1-Wire Timing and Driver Characteristics Accommodate a Wide Range of MicroLAN Configurations at Regular Speed
* Smart Protocol Combines Data and Control Information Without Requiring Extra Pins
* Compatible with Optical, IR, and RF to RS232 Converters
* Low-Cost 8-Pin SO Surface-Mount Package
* Operates Over 4.5V to 5.5V from -40C to +85C