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DS620

Dallas Semiconducotr
Part Number DS620
Manufacturer Dallas Semiconducotr
Description Accuracy Digital Thermometer and Thermostat
Published Mar 30, 2005
Detailed Description Low-Voltage, ±0.5°C Accuracy Digital Thermometer and Thermostat www.maxim-ic.com DS620 GENERAL DESCRIPTION The DS620 d...
Datasheet PDF File DS620 PDF File

DS620
DS620

Overview
Low-Voltage, ±0.
5°C Accuracy Digital Thermometer and Thermostat www.
maxim-ic.
com DS620 GENERAL DESCRIPTION The DS620 digital thermometer and thermostat provides low-voltage (1.
7V £ VDD £ 3.
5V) temperature measurements with ±0.
5°C accuracy from 0°C to +70°C and an operating temperature range of -55°C to +125°C.
The DS620 communicates over a 2-wire digital interface.
For distributed-sensing applications, it is multidroppable with three address pins that allow up to eight DS620s to operate on a single bus.
The DS620 has thermostat functionality with userdefined thresholds stored in EEPROM registers, and it can be configured for standalone thermostat operation.
The programmable output (PO) pin serves as the thermostat output, and this pin can also be configured to function as an active-low control for peripheral devices.
§ § § § § § § § § § § FEATURES Low-Voltage Operation: 1.
7V to 3.
5V ±0.
5°C Accuracy from 0°C to +70°C Operating Temperature Range: -55°C to +125°C (-67°F to +257°F) Temperature Measurements Require No External Components Resolution is User-Selectable to 10-, 11-, 12-, or 13-Bits (0.
5°C, 0.
25°C, 0.
125°C, and 0.
0625°C LSb Weight, Respectively) Multidroppable Fast (200ms max) Temperature-to-Digital Conversion Time Thermostatic Settings are User-Definable and Nonvolatile Standalone Thermostat Capability Data is Read/Written Through a 2-Wire Serial Interface Package: 8-Pin mSOP APPLICATIONS Portable Applications Low-Voltage Temperature-Sensitive Applications Computers/Servers Test Equipment Medical Instruments Industrial Applications ORDERING INFORMATION PART DS620U DS620U/T&R TEMP RANGE -55°C to +125°C -55°C to +125°C PIN-PACKAGE 8 µSOP, Exposed Pad 8 µSOP Exposed Pad Tape-and-Reel TYPICAL OPERATING CIRCUIT 1.
7V to 3.
5V 1.
7V to 3.
5V PIN CONFIGURATION DS620 SDA SDA SCL VDD SDA SCL PO DS620 A0 A1 A2 GND 1 2 3 4 8 7 6 5 VDD A0 A1 A2 SCL PO Thermostat HOST GND 8-Pin mSOP Package Exposed Pad Note: Some revisions of this device may incorporate de...


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