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DS1825U+TR

Description
SPECIALTY ANALOG CIRCUIT, PDSO8
Categorysemiconductor    Analog mixed-signal IC   
File Size287KB,21 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric Compare View All

DS1825U+TR Overview

SPECIALTY ANALOG CIRCUIT, PDSO8

DS1825U+TR Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals8
Maximum operating temperature125 Cel
Minimum operating temperature-55 Cel
Maximum supply/operating voltage3.7 V
Minimum supply/operating voltage3 V
Processing package descriptionMICRO SOP-8
stateACTIVE
packaging shapeSQUARE
Package SizeSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
surface mountYes
Terminal formGULL WING
Terminal spacing0.6500 mm
terminal coatingtin lead
Terminal locationpair
Packaging MaterialsPlastic/Epoxy
Temperature levelMILITARY
Analog IC other typesANALOG circuit
DS1825
Programmable Resolution 1-Wire
Digital Thermometer With 4-Bit ID
www.maxim-ic.com
FEATURES
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Unique 1-Wire Interface Requires Only One
Port Pin for Communication
Each Device has a Unique 64-Bit Serial Code
Stored in an On-Board ROM
Multidrop Capability Simplifies Distributed
Temperature-Sensing Applications
4 Pin-Programmable Bits to Uniquely Identify
Up to 16 Sensor Locations on a Bus
Requires No External Components
Can be Powered from Data Line. Power Supply
Range: 3.0V to 3.7V
Measures Temperatures from -55°C to +125°C
(-67°F to +257°F)
±0.5°C
Accuracy from -10°C to +85°C
Thermometer Resolution is User-Selectable
from 9 to 12 Bits
Converts Temperature to 12-Bit Digital Word in
750ms (max)
User-Definable (NV) Alarm Settings
Alarm Search Command Identifies and
Addresses Devices Whose Temperature is
Outside of Programmed Limits (Temperature
Alarm Condition)
Available in 8-Pin
mSOP
Package
Software Compatible with the DS1822
Ò
PIN ASSIGNMENT
V
DD
DQ
N.C.
GND
1
8
AD3
AD2
AD1
AD0
2
7
DS1825
3
6
8-pin
mSOP
(DS1825U)
5
4
µSOP
(DS1825U)
PIN DESCRIPTION
GND
DQ
N.C.
V
DD
AD0 to AD3
- Ground
- Data In/Out
- No Connect
- Power Supply Voltage
- Address Pins
APPLICATIONS
1-Wire is a registered trademark of Dallas Semiconductor.
Thermostatic Controls
Industrial Systems
Consumer Products
Thermometers
Thermally-Sensitive Systems
DESCRIPTION
The DS1825 digital thermometer provides 9 to 12-bit centigrade temperature measurements and has an alarm
function with NV user-programmable upper and lower trigger points. The DS1825 communicates over a 1-Wire bus
that by definition requires only one data line (and ground) for communication with a central microprocessor. It has
an operating temperature range of -55°C to +125°C and is accurate to
±0.5°C
over the range of -10°C to +85°C. In
addition, the DS1825 can derive power directly from the data line (“parasite power”), eliminating the need for an
external power supply.
ORDERING INFORMATION
ORDERING NUMBER
PACKAGE MARKING
DESCRIPTION
DS1825U
1825
8-pin µSOP
DS1825U/T&R
1825
8-pin µSOP Tape-and-Reel
DS1825U+
1825 (See Note 1)
8-pin
mSOP,
Lead Free
DS1825U+T&R
1825 (See Note 1)
8-pin µSOP Tape-and-Reel, Lead Free
Note 1: Additionally, a "+" symbol will be marked on the package.
1 of 21
Rev 020105

DS1825U+TR Related Products

DS1825U+TR DS1825 DS1825U/TR DS1825UTR
Description SPECIALTY ANALOG CIRCUIT, PDSO8 SPECIALTY ANALOG CIRCUIT, PDSO8 SPECIALTY ANALOG CIRCUIT, PDSO8 SPECIALTY ANALOG CIRCUIT, PDSO8
Number of functions 1 1 1 1
Number of terminals 8 8 8 8
Maximum operating temperature 125 Cel 125 Cel 125 Cel 125 Cel
Minimum operating temperature -55 Cel -55 Cel -55 Cel -55 Cel
Maximum supply/operating voltage 3.7 V 3.7 V 3.7 V 3.7 V
Minimum supply/operating voltage 3 V 3 V 3 V 3 V
Processing package description MICRO SOP-8 MICRO SOP-8 MICRO SOP-8 MICRO SOP-8
state ACTIVE ACTIVE ACTIVE ACTIVE
packaging shape SQUARE SQUARE SQUARE SQUARE
Package Size SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
surface mount Yes Yes Yes Yes
Terminal form GULL WING GULL WING GULL WING GULL WING
Terminal spacing 0.6500 mm 0.6500 mm 0.6500 mm 0.6500 mm
terminal coating tin lead tin lead tin lead tin lead
Terminal location pair pair pair pair
Packaging Materials Plastic/Epoxy Plastic/Epoxy Plastic/Epoxy Plastic/Epoxy
Temperature level MILITARY MILITARY MILITARY MILITARY
Analog IC other types ANALOG circuit ANALOG circuit ANALOG circuit ANALOG circuit
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