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Status

Active: In Production.

Data Sheet

FULL DATA SHEET (PDF, 248kB) Download   E-Mail

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.

Key Features		Applications/Uses
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 µSOP		Computers/Servers Industrial Low-Voltage Temperature-Sensitive Applications Medical Instruments Portable Applications Test Equipment

Diagram

Typical Operating Circuit

Application Notes

Application Note 3930: Package Thermal Resistance Values (Theta JA, Theta JC) for Dallas Semiconductor Temperature Sensors - DS620

Design Guides

Thermal Management (PDF)

Reliability Reports

Reliability Report: DS620.pdf

Software/Models

none

Ordering Information

Notes: Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

Devices: 1-4 of 4

DS620	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
DS620U+			Active	µMAX-EP;8 pin;15.3 mm² Outline Drawing: 21-0107 (PDF) Land Pattern: 90-0145 (PDF) Use pkgcode/variation: U8E+2*	-55°C to +125°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS620U/T&R			Active	µMAX-EP;8 pin;15.3 mm² Outline Drawing: 21-0107 (PDF) Land Pattern: 90-0145 (PDF) Use pkgcode/variation: U8E-2*	-55°C to +125°C	RoHS/Lead-Free: No Materials Analysis
DS620U			Active	µMAX-EP;8 pin;15.3 mm² Outline Drawing: 21-0107 (PDF) Land Pattern: 90-0145 (PDF) Use pkgcode/variation: U8E-2*	-55°C to +125°C	RoHS/Lead-Free: No Materials Analysis
DS620U+T&R			Active	µMAX-EP;8 pin;15.3 mm² Outline Drawing: 21-0107 (PDF) Land Pattern: 90-0145 (PDF) Use pkgcode/variation: U8E+2*	-55°C to +125°C	RoHS/Lead-Free: Lead Free Materials Analysis

More Information

New Product Press Release 2004-08-16

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