DS1821
DS1821 is Programmable Digital Thermostat/Thermometer manufactured by Maxim Integrated.
FEATURES
- Requires no external ponents
- Unique 1-Wire® interface requires only one port pin for munication
- Operates over a -55°C to +125°C (-67°F to
+257°F) temperature range
- Functions as a standalone thermostat with user-definable trip-points
- Provides 8-bit (1°C resolution) centigrade temperature measurements
- Accuracy is ±1°C over 0°C to +85°C range
- Converts temperature to a digital word in
1 second (max)
- Available in 3-pin TO92 and 8-pin SO packages
- Applications include thermostatic controls, industrial systems, consumer products, thermometers, or any thermally sensitive system
1-Wire is a registered trademark of Maxim Integrated Products, Inc.
PIN ASSIGNMENT
DS1821 12 3
DQ GND
NC NC
1 2 3 4
DS1821S
8 VDD 7 NC 6 NC 5 NC
8-pin 208-mil SO (DS1821S)
GND DQ VDD
12 3
(BOTTOM VIEW)
TO92 (DS1821C)
PIN DESCRIPTION
- Ground DQ
- Data In/Out and Thermostat...
