DS2483
Single-Channel 1-Wire Master with Adjustable Timing and Sleep Mode
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Best-in-Class Integrated 1-Wire Line Driver Facilitates Protocol Conversion Between I²C Host and 1-Wire Slave Network
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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 3.3V -10% 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
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The DS2483 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 DS2483 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 DS2483 can be put in sleep mode where power consumption is minimal.
Applications
- Cell Phones
- Industrial Sensors
- Medical Instruments
- Printers
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DS2483
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Data Sheet
2
DS2483: Single-Channel 1-Wire Master with Adjustable Timing and Sleep Mode Data Sheet (Rev.2)
DS2483: シングルチャネル1-Wireマスター、可変タイミングおよびスリープモード内蔵 Data Sheet (Rev.1)
Reliability Data
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18.97K
Design Note
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Documentation
Data Sheet 1
Reliability Data 1
Application Note 1
Design Note 1
Software & Part Ecosystem
| Parts | Product Life Cycle | Description | ||
|---|---|---|---|---|
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1-Wire Interface Products4 |
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PRODUCTION |
Single-Channel 1-Wire Master |
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PRODUCTION |
Single-Channel 1-Wire® Master with Sleep Mode |
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PRODUCTION |
8-Channel 1-Wire Master |
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PRODUCTION |
Serial to 1-Wire Line Driver |
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Evaluation Kits 1
DS2483K
Evaluation System for the DS2483
Features and Benefits
- I²C Host Interface Supports 100kHz and 400kHz I²C Communication Speeds
- I²C Operating Voltages: 1.8V ±5% and 3.3V ±5%
- 1-Wire Operating Voltage: 1.8V ±5% and 3.3V ±5%
- EV Kit Contains a Mounted 6-Pin SOT23 DS2483R+T IC
- Convenient On-Board Test Points and TO-92 Socket
- Standard RJ11 Connector Interfaces to DS9120 Socket Boards
- Downloadable Evaluation Software
Product Detail
The DS2483 evaluation system (EV system) consists of a DS2483 evaluation kit (EV kit) and a DS9400 USB-to-I²C adapter. The DS2483 is an I²C-to-1-Wire® bridge device that performs protocol conversion from an I²C Master to any attached 1-Wire slave devices. Relative to any attached 1-Wire slave device, the DS2483 is a 1-Wire master. The evaluation software runs under a Windows® 7 or Windows XP® operating system (OS), providing a handy user interface to exercise the features of the DS2483.
Order the DS2483K# for the complete EV system to evaluate the DS2483 using a PC. Evaluation software for the EV system is also available on our website at: www.maximintegrated.com/evkit.
Applications
- Cell Phones
- Industrial Sensors
- Medical Instruments
- Printers