Product Summary

The DS18B20Z Digital Thermometer provides 9 to 12-bit (configurable) temperature readings which indicate the temperature of the device. Information is sent to/from the DS18B20Z over a 1-Wire interface, so that only one wire (and ground) needs to be connected from a central microprocessor to a DS18B20. Because each DS18B20Z contains a unique silicon serial number, multiple DS18B20s can exist on the same 1-Wire bus.

Parametrics

DS18B20Z absolute maximum ratings: (1) Voltage on Any Pin Relative to Ground: -0.5V to +6.0V; (2) Operating Temperature: -55°C to +125°C; (3) Storage Temperature: -55°C to +125°C; (4) Soldering Temperature: See J-STD-020A specification.

Features

DS18B20Z features: (1) Unique 1-Wire interface requires only one port pin for communication; (2) Multidrop capability simplifies distributed temperature sensing applications; (3) Requires no external components; (4) Can be powered from data line. Power supply range is 3.0V to 5.5V; (5) Zero standby power required; (6) Measures temperatures from -55°C to +125°C. Fahrenheit equivalent is -67°F to +257°F; (7) Converts 12-bit temperature to digital word in 750ms (max.) ; (8) User-definable, nonvolatile temperature alarm settings; (9) Alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperature alarm condition) ; (10) Applications include thermostatic controls, industrial systems, consumer products, thermometers, or any thermally sensitive system.

Diagrams

DS18B20Z Pin Configuration

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
DS18B20Z
DS18B20Z

Maxim Integrated Products

Board Mount Temperature Sensors

Data Sheet

Negotiable 
DS18B20Z/T&R
DS18B20Z/T&R

Maxim Integrated Products

Board Mount Temperature Sensors Prgmble Resolution 1-Wire Parasite Pwr

Data Sheet

0-2500: $1.28
2500-5960: $1.28
DS18B20Z+
DS18B20Z+

Maxim Integrated Products

Board Mount Temperature Sensors Prgmble Resolution 1-Wire Parasite Pwr

Data Sheet

0-1: $3.59
1-25: $2.39
25-50: $1.45
50-100: $1.42
DS18B20Z+T&R
DS18B20Z+T&R

Maxim Integrated Products

Board Mount Temperature Sensors Prgmble Resolution 1-Wire Parasite Pwr

Data Sheet

0-2080: $1.21
2080-2500: $1.21