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DS2480B+T&R

Line Driver IC, Serial to 1 Wire, RS-232 Interface, 115.2kbps, 4.5 V to 5.5 V, NSOIC-8

MAXIM INTEGRATED PRODUCTS DS2480B+T&R
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Manufacturer Part No:
DS2480B+T&R
Order Code:
2516958
Technical Datasheet:
DS2480B+T&R   Datasheet
See all Technical Docs

Product Overview

The DS2480B+T&R is a serial to 1-wire line driver in 8 pin NSOIC package. This interface chip supports standard 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. Internal timers relieve host of burden of generating the time-critical 1-wire communication waveforms. The device can translate each character into eight 1-wire time slots thereby increasing data throughput significantly. It can be set to communicate at four different data rates, including 115.2Kbps, 57.6Kbps and 19.2Kbps with 9.6Kbps being the power-on default. This IC uses a unique protocol that merges data and control information without requiring control pins. This approach maintains compatibility to off the shelf serial to wireless converters, it allows easy realization of 1-wire media jumpers.
  • Supply voltage range is 4.5V to 5.5V, operating temperature range from -40°C to 85°C
  • Simplifies the design of a low-cost, universal RS232 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 pull down & active pull-up to accommodate long lines & reduce radiation
  • Self-calibrating time base with ±5% tolerance for serial and 1-wire communication
  • Compatible with optical, IR and RF to RS232 converters
  • Single product supports various iButton or 1-wire device types for easy system integration

Applications

Communications & Networking

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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:
Line Driver

:
Serial

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4.5V

:
5.5V

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NSOIC

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8Pins

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-40°C

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85°C

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-

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MSL 1 - Unlimited
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Technical Docs (2)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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