MAXREFDES132# by Analog Devices

Single-Channel 1-Wire Master with Adjustable Timing and Sleep Mode


The DS2484 is an I2C-to-1-Wire® bridge device that interfaces directly to standard (100kHz max) or fast (400kHz max) I2C masters to perform protocol conversion between the I2C master and any downstream 1-Wire slave devices. Relative to any attached 1-Wire slave device, the DS2484 is a 1-Wire master. Internal, user-adjustable timers relieve the system host processor from generating time-critical 1-Wire waveforms, supporting both standard and overdrive 1-Wire communication speeds. In addition, the 1-Wire bus can be powered down under software control. The dual-voltage operation allows different operating voltages on the I2C and 1-Wire side. Strong pullup features support 1-Wire power delivery to 1-Wire devices such as EEPROMs and sensors. When not in use, the DS2484 can be put in sleep mode where power consumption is minimal.

Where to Buy

Prices starting from US$42.15

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Features

I2C Host Interface Supports 100kHz and 400kHz I2C Communication Speeds
Standard and Overdrive 1-Wire Communication Speeds
Adjustable 1-Wire Timing for tRSTL, tMSP, tW0L, and tREC0
1-Wire Port Can Be Powered Down Under Software Control
Supports Power-Saving Sleep Mode (SLPZ Pin), Where the 1-Wire Port is in High Impedance
I2C Operating Voltages: 1.8V ±5%, 3.3V ±10%, and 5.0V +5/-10%
Built-In Level Translator: 1-Wire Operating Voltage from 1.8V -5% to 5.0V +5%, Independent of I2C Voltage
Built-In ESD Protection Level of ±8kV Human Body Model (HBM) Contact Discharge on IO Pin
-40°C to +85°C Operating Temperature Range
8-Pin TDFN and 6-Pin SOT23 Packages

Specifications

Functions 1-Wire Bridge
VSUPPLY (V) 1.71 to 5.25
Package/Pins SOT23/6TDFN/8
Oper. Temp. (°C) -40 to +85
BudgetaryPrice (See Notes) 0.8


MAXREFDES132# Development Boards & Evaluation Kits by Analog Devices

REF DESIGN BOARD 1-WIRE SHIELD

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Silicon Manufacturer Maxim Integrated Products
Silicon Core Number DS2484
Kit Application Type Interface
Application Sub Type 1-Wire to I2C
Core Architecture -
Core Sub-Architecture -
Silicon Family Name -
Kit Contents Ref Design Board DS2484
Product Range -
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

1-Wire Master, Arduino Shield | Analog Devices
Ref Design Board, 1-Wire Shield | Newark Electronics
REF DESIGN BOARD, 1-WIRE SHIELD | element14

Frequently Asked Questions

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Is the MAXREFDES132# RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for MAXREFDES132# .

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