Key facts
- Brand
- Maxim
- Model
- DS28EA00
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-05-09
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Maxim DS28EA00 1-Wire Digital Thermometer with Sequence Detect and PIO Datasheet
The DS28EA00 is a 1‑Wire digital thermometer that offers 9‑ to 12‑bit temperature resolution (0.5 °C to 0.0625 °C) and programmable alarm thresholds. It features two general‑purpose I/O pins that can be used for sequence‑detect or as regular I/O, and it can be powered parasitically from the data line, removing the need for an external supply.
The device is supplied in an 8‑pin SOP package, operates from 3.0 V to 5.5 V, and includes a unique 64‑bit registration number for each unit. Detailed electrical characteristics, pin descriptions, memory map, and communication examples are provided for designers.
Maxim DS28EA00 specifications
| Temperature range | -40°C to +85°C |
|---|---|
| Resolution | 9‑ to 12‑bit |
| Unique registration number | 64‑bit |
| PIO pins | 2 general‑purpose programmable I/O pins |
Source: Maxim DS28EA00 1-Wire Digital Thermometer with Sequence Detect and PIO Datasheet
All Maxim DS28EA00 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What resolution can the thermometer be set to?
Resolution is user selectable from 9‑bit (0.5 °C) up to 12‑bit (0.0625 °C).
From: Maxim DS28EA00 1-Wire Digital Thermometer with Sequence Detect and PIO Datasheet
How many PIO pins does the device have and what are they for?
The device includes two general‑purpose programmable I/O pins that can be used for sequence‑detect or as regular I/O.
From: Maxim DS28EA00 1-Wire Digital Thermometer with Sequence Detect and PIO Datasheet
What is the operating temperature range of the DS28EA00?
The device operates from –40 °C to +85 °C.
Can the DS28EA00 be powered from the data line?
Yes, it can derive power directly from the 1‑Wire data line (parasite power).
What temperature range can the DS28EA00 measure?
It measures temperatures from –40 °C to +85 °C.
How is the DS28EA00 powered in parasite mode?
The device derives its operating power directly from the 1‑Wire data line without an external supply.