The DS28EA00U+ device is a temperature-to-digital converters with over/under-temperature detection. It features a 1-Wire communication interface and may be powered from that data line. Sequence-Detect pins allow a processor to determine the position of a particular device within a chain. Applications include Data Communication Equipment, Process Temperature Monitoring, HVAC Systems
Measurement temperature range: -40 to +85°C
Accuracy: ±0.5°C from -10 to +85°C
Programmable resolution from 9 to 12 bits
Conversion Time (Max): 93.75ms (9-bit), 750ms (12-bit)
Unique 64-bit serial code stored in on-chip ROM
Communication: Serial 1-Wire bus
Power supply: +3.0V to +5.5Vdc or from data line
Feature
- Digital Thermometer Measures Temperatures from -40°C to +85°C
- Thermometer Resolution is User-Selectable from 9 to 12 Bits
- Unique 1-Wire Interface Requires Only One Port Pin for Communication
- Each Device has a Unique 64-Bit Factory-Lasered Registration Number
- ROM Multidrop Capability Simplifies Distributed Temperature-Sensing Applications
- Improved 1-Wire Interface with Hysteresis and Glitch Filter
- User-Definable Nonvolatile (NV) Alarm Threshold Settings/User Bytes
- Alarm Search Command to Quickly Identify Devices Whose Temperature is Outside of Programmed Limits
- Standard and Overdrive 1-Wire Speed
- Two General-Purpose Programmable IO (PIO) Pins
- Chain Function Sharing the PIO Pins to Detect Physical Sequence of Devices in Network
- Operating Range: 3.0V to 5.5V, -40°C to +85°C
- Can be Powered from Data Line
- 8-Pin μSOP Package
Applications
- Any Rack-Based Electronic System
- Climate Control
- Data communication equipment
- Process Temperature Monitoring
- Servers
- Wireless Basestations
