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DS620U/T&R Datasheet

  • DS620U/T&R

  • Low-Voltage, 0.5∑C Accuracy Digital Thermometer and Thermo...

  • 15頁(yè)

  • DALLAS   DALLAS

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Low-Voltage,
鹵0.5擄C
Accuracy
Digital Thermometer and Thermostat
www.maxim-ic.com
DS620
GENERAL DESCRIPTION
The DS620 digital thermometer and thermostat
provides low-voltage (1.7V
攏
V
DD
攏
3.5V) temperature
measurements with
鹵0.5擄C
accuracy from 0擄C to
+70擄C and an operating temperature range of -55擄C
to +125擄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 user-
defined 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.
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FEATURES
Low-Voltage Operation: 1.7V to 3.5V
鹵0.5擄C
Accuracy from 0擄C to +70擄C
Operating Temperature Range: -55擄C to +125擄C
(-67擄F to +257擄F)
Temperature Measurements Require No
External Components
Resolution is User-Selectable to 10-, 11-, 12-, or
13-Bits (0.5擄C, 0.25擄C, 0.125擄C, and 0.0625擄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擄C to +125擄C
-55擄C to +125擄C
PIN-PACKAGE
8 碌SOP,
Exposed Pad
8 碌SOP
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 deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here:
www.maxim-ic.com/errata.
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081004

DS620U/T&R 產(chǎn)品屬性

  • Maxim Integrated Products

  • Thermometer Thermostat

  • Local

  • Digital

  • +/- 2 C

  • Programmable

  • 2-Wire

  • 3.5 V

  • 1.7 V

  • + 125 C

  • - 55 C

  • No

  • SMD/SMT

  • uSOP-8

  • Reel

  • Digital Thermometer/Thermostat

  • 10 bit to 13 bit

  • 0.95 mm

  • 3.05 mm

  • 1.7 V to 3.5 V

  • - 55 C to + 125 C

  • DS620

  • 900 uA

  • 3.05 mm

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