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DS1775R/TR1

Description
DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT
CategoryThe sensor    Sensor/transducer   
File Size208KB,13 Pages
ManufacturerDALLAS
Websitehttp://www.dalsemi.com
Download Datasheet Parametric Compare View All

DS1775R/TR1 Overview

DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT

DS1775R/TR1 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerDALLAS
package instructionSOT-23, 5 PIN
Reach Compliance Codeunknow
Maximum accuracy (Celsius)2 Cel
Other featuresDATA IS READ FROM/WRITTEN TO VIA A 2-WIRE SERIAL INTERFACE
shellPLASTIC
JESD-609 codee0
Installation featuresSURFACE MOUNT
Number of digits12
Number of terminals5
Maximum working current1 mA
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
Output interface type2-WIRE INTERFACE
Package body materialPLASTIC/EPOXY
Encapsulate equivalent codeTSOP5/6,.11,37
Package Shape/FormRECTANGULAR
power supply3/5 V
Sensor/Transducer TypeTEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
Maximum supply voltage5.5 V
Minimum supply voltage2.7 V
surface mountYES
Terminal surfaceTin/Lead (Sn/Pb)
Termination typeSOLDER
PRODUCT PREVIEW
PRELIMINARY
DS1775
SOT23-5 Digital Thermometer
and Thermostat
www.dalsemi.com
FEATURES
§
Temperature measurements require no
external components
§
Measures temperatures from –55° to
C
+125° Fahrenheit equivalent is –67° to
C.
F
257°
F
§
Thermometer accuracy is
±2.0°
C
§
Thermometer resolution is configurable from
9 to 12 bits (0.5° to 0.0625° resolution)
C
C
§
Thermostat settings are user definable
§
Data is read from/written to via a 2–wire
serial interface
§
Wide power supply range (2.7V – 5.5V)
§
Software compatible with DS75 2–Wire
Thermal Watchdog in thermometer mode
§
Space–conscious SOT23–5 package with
low thermal time constant
PIN ASSIGNMENT
SCL
GND
O.S.
1
2
3
4
V
DD
5
SDA
DS1775R
SOT23-5
PIN DESCRIPTION
GND
SCL
SDA
V
DD
O.S.
Ground
2–Wire Serial Clock
2–Wire Serial Data Input/Output
Power Supply Voltage
Thermostat Output Signal
Address
100
101
110
111
ORDERING INFORMATION
Part Number
Address
DS1775R/TRL
000
DS1775R/TR1
001
DS1775R/TR2
010
DS1775R/TR3
011
* "R" denotes SOT 23-5 Package
Part Number
DS1775R/TR4
DS1775R/TR5
DS1775R/TR6
DS1775R/TR7
DESCRIPTION
The DS1775 SOT23-5 Digital Thermometer and Thermostat provides temperature readings which
indicate the temperature of the device. Thermostat settings and temperature readings are all
communicated to/from the DS1775 over a simple 2–wire serial interface. No additional components are
required; the device is truly a “temperature–to–digital” converter.
For applications that require greater temperature resolution, the user can adjust the readout resolution
from 9 to 12 bits. This is particularly useful in applications where thermal runaway conditions must be
detected quickly.
The open–drain thermal alarm output, O.S., becomes active when the temperature of the device exceeds a
user–defined temperature T
OS
. The number of consecutive faults required to set O.S. active is
configurable by the user. The device can also be configured in the interrupt or comparator mode, to
customize the method which clears the fault condition.
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DS1775R/TR1 Related Products

DS1775R/TR1 DS1775R/TR2 DS1775R/TR4 DS1775R/TR5 DS1775 DS1775R/TR3 DS1775R/TR6 DS1775R/TR7 DS1775R/TRL
Description DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), RECTANGULAR, SURFACE MOUNT DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT
Is it Rohs certified? incompatible incompatible incompatible incompatible incompatible incompatible incompatible incompatible incompatible
Maker DALLAS DALLAS DALLAS DALLAS DALLAS DALLAS DALLAS DALLAS DALLAS
Reach Compliance Code unknow unknow unknow unknow unknow unknow unknow unknow unknow
shell PLASTIC PLASTIC PLASTIC PLASTIC PLASTIC PLASTIC PLASTIC PLASTIC PLASTIC
JESD-609 code e0 e0 e0 e0 e0 e0 e0 e0 e0
Installation features SURFACE MOUNT SURFACE MOUNT SURFACE MOUNT SURFACE MOUNT SURFACE MOUNT SURFACE MOUNT SURFACE MOUNT SURFACE MOUNT SURFACE MOUNT
Number of digits 12 12 12 12 12 12 12 12 12
Number of terminals 5 5 5 5 5 5 5 5 5
Maximum working current 1 mA 1 mA 1 mA 1 mA 1 mA 1 mA 1 mA 1 mA 1 mA
Maximum operating temperature 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C
Minimum operating temperature -55 °C -55 °C -55 °C -55 °C -55 °C -55 °C -55 °C -55 °C -55 °C
Output interface type 2-WIRE INTERFACE 2-WIRE INTERFACE 2-WIRE INTERFACE 2-WIRE INTERFACE 2-WIRE INTERFACE 2-WIRE INTERFACE 2-WIRE INTERFACE 2-WIRE INTERFACE 2-WIRE INTERFACE
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
Encapsulate equivalent code TSOP5/6,.11,37 TSOP5/6,.11,37 TSOP5/6,.11,37 TSOP5/6,.11,37 TSOP5/6,.11,37 TSOP5/6,.11,37 TSOP5/6,.11,37 TSOP5/6,.11,37 TSOP5/6,.11,37
Package Shape/Form RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
power supply 3/5 V 3/5 V 3/5 V 3/5 V 3/5 V 3/5 V 3/5 V 3/5 V 3/5 V
Sensor/Transducer Type TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
Maximum supply voltage 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V
Minimum supply voltage 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V
surface mount YES YES YES YES YES YES YES YES YES
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Termination type SOLDER SOLDER SOLDER SOLDER SOLDER SOLDER SOLDER SOLDER SOLDER
package instruction SOT-23, 5 PIN SOT-23, 5 PIN SOT-23, 5 PIN SOT-23, 5 PIN - SOT-23, 5 PIN SOT-23, 5 PIN SOT-23, 5 PIN SOT-23, 5 PIN
Maximum accuracy (Celsius) 2 Cel 2 Cel 2 Cel 2 Cel - 2 Cel 2 Cel 2 Cel 2 Cel
Other features DATA IS READ FROM/WRITTEN TO VIA A 2-WIRE SERIAL INTERFACE DATA IS READ FROM/WRITTEN TO VIA A 2-WIRE SERIAL INTERFACE DATA IS READ FROM/WRITTEN TO VIA A 2-WIRE SERIAL INTERFACE DATA IS READ FROM/WRITTEN TO VIA A 2-WIRE SERIAL INTERFACE - DATA IS READ FROM/WRITTEN TO VIA A 2-WIRE SERIAL INTERFACE DATA IS READ FROM/WRITTEN TO VIA A 2-WIRE SERIAL INTERFACE DATA IS READ FROM/WRITTEN TO VIA A 2-WIRE SERIAL INTERFACE DATA IS READ FROM/WRITTEN TO VIA A 2-WIRE SERIAL INTERFACE
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