Key facts
- Brand
- Maxim
- Model
- DS2480
- Category
- Other Electronics
- Industry
- Electronics
- Documents
- 2
- Languages
- EN · ZH
- Last added
- 2012-04-12
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Dalsemi DS2480 Serial 1-Wire Line Driver Datasheet
The DS2480 is a universal, common‑ground serial port to 1‑Wire line driver that connects directly to UARTs and 5 V RS‑232 systems. It supports standard and Overdrive 1‑Wire speeds and provides programmable timing, EPROM programming voltage and strong pull‑up capabilities.
The document details pin assignments, command codes, communication functions, and the Search Accelerator feature that speeds up ROM searches on Windows platforms. Electrical specifications, package information and timing diagrams are also included.
Maxim DS2480 specifications
| Operating Voltage | 4.5 V to 5.5 V |
|---|---|
| Temperature Range | -40 °C to +85 °C |
| Package | 8‑pin SOIC surface‑mount |
| Supported UART Data Rates | 9600 (default), 19200, 57600, 115200 bps |
| EPROM Programming Voltage | 12 V (VPP pin) |
All Maxim DS2480 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the default UART data rate for the DS2480?
The default data rate is 9600 bps.
Which pin provides the EPROM programming voltage?
The VPP pin supplies the optional 12 V EPROM programming voltage.
What communication speeds does the DS2480B support?
It supports four selectable UART data rates: 9600 bps, 19200 bps, 57600 bps, and 115200 bps.
From: Maxim DS2480B Serial 1-Wire Driver with Load Sensor Datasheet
How does the load sensor function in the DS2480B?
The load sensor detects a reduction in energy required by encrypted iButton devices and stops the strong pull‑up accordingly.
From: Maxim DS2480B Serial 1-Wire Driver with Load Sensor Datasheet