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ANALOG DEVICES DS2480B+T&R

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

ANALOG DEVICES DS2480B+T&R
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Manufacturer Part No:
DS2480B+T&R
Order Code:
2516958
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Technical Datasheet:
DS2480B+T&R   Datasheet
ECAD / MCAD
Supply Frame Models Link
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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

:
4.5V

:
5.5V

:
NSOIC

:
8Pins

:
1Drivers

:
-

:
-40°C

:
85°C

:
MSL 1 - Unlimited

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Technical Documents (2)

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6,466 UK stock available for 3-4 business days delivery

Due to market conditions delivery times are for general guidance only and may be subject to change at short notice

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