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Maxim > Solutions > Network Hubs, Switches, and Routers

Temperature Sensors

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF High-Precision Digital Thermometer and Thermostat
DS7505

Improved LM75/DS75 Software-Compatible Temperature Sensor Is ±0.5°C Accurate and Has Nonvolatile Thermostat Thresholds
QV  PDF 5-Channel Precision Temperature Monitor
MAX6622

Allows Temperature Monitoring of Next-Generation CPUs and Four Other Locations in a Small 16-Pin TSSOP
QV  PDF 7-Channel Precision Temperature Monitor
MAX6636

Allows Temperature Monitoring of Next-Generation CPUs and Six Other Locations in a Small 20-Pin TSSOP
QV  PDF Digital Thermometer and Thermostat with Extended Addressing
DS75LX

±2.0°C Accurate Temperature Sensor with 27 Unique I²C Address Simplifies Distributed Temperature-Sensing Designs
QV  PDF Low-Voltage Digital Temperature Sensor
DS75LV

±2.0°C Accurate Digital Temperature Sensor Operates From a Supply of Only 1.7V to 3.7V
QV  PDF 5-Channel Precision Temperature Monitor
MAX6699

QV  PDF Dual-Channel Temperature Monitors and Fan-Speed Controllers with Thermistor Inputs
MAX6615, MAX6616

Industry's Only Dual-Channel Temperature Monitor and Fan Controllers with Thermistor Inputs
QV  PDF 2-Channel Temperature Monitor with Dual, Automatic, PWM Fan-Speed Controller
MAX6639, MAX6639F

High-Frequency, Dual Temperature Sensor and Fan Controller with Selectable Address and Closed-Loop Operation
QV  PDF Low-Voltage, ±0.5°C Accuracy Digital Thermometer and Thermostat
DS620

First Digital, Temperature Sensor to Operate Down to 1.7V
QV  PDF 8kHz Reference Clock Synthesizer with Multiple Outputs at 35.328MHz
MAX9486

Clock Generator Optimized for xDSL CO Line Cards and Telecom Systems Requiring Low-Jitter Clock Outputs
QV  PDF SMBus-Compatible Temperature Monitor with Automatic PWM Fan-Speed Controller
MAX6641

Industry's Smallest, Single Temperature Sensor and Fan Controller in MSOP Package
QV  PDF Low-Cost, 2.7V to 5.5V Temperature Switches in a SOT23
MAX6514, MAX6515

Industry's Most Accurate Temperature Switches Available in a SOT23 Package
QV  PDF Dual Remote/Local Temperature Sensors with SMBus Serial Interface
MAX6695, MAX6696

Dual Remote/Local Temperature Sensors with SMBus™ Serial Interface in a µMAX® Package
QV  PDF 1-Wire® Temperature/Data Logger with 8kB Datalog Memory
DS2422

QV  PDF ±1°C, SMBus-Compatible Remote/Local Temperature Sensor with Overtemperature Alarm
MAX6642

Industry's Smallest ±1°C, SMBus™-Compatible Remote/Local Temperature Sensor with Overtemperature Alarm
QV  PDF Temperature Monitors and PWM Fan Controllers
MAX6653, MAX6663, MAX6664

QV  PDF High-Precision 3-Wire Digital Thermometer and Thermostat
DS1626, DS1726

High-Precision, 3-Wire Digital Thermometers/Thermostats Provide Temperature Measurements and Stand-Alone Thermostat Capability over a -55°C to +125°C Range
QV  PDF Local/Remote Temperature Switches in a µMAX Package
MAX6687, MAX6688

Dual-Output, Local/Remote Temperature Switches in a Single µMAX® Package
QV  PDF Precision SMBus-Compatible Remote/Local Temperature Sensors with Overtemperature Alarms
MAX6648, MAX6692

QV  PDF +145°C Precision SMBus-Compatible Remote/Local Sensors with Overtemperature Alarms
MAX6646, MAX6647, MAX6649

QV  PDF High-Precision Digital Thermometer and Thermostat
DS1631, DS1631A, DS1731

High-Precision Digital Thermometers and Thermostats Provide 9, 10, 11, or 12-Bit Temperature Readings Over a -55°C to +125°C Range
QV  PDF 12-Bit + Sign Temperature Sensor with SPI-Compatible Serial Interface
MAX6662

QV  PDF Dual Remote/Local Temperature Sensors and Four-Channel Voltage Monitors
MAX6655, MAX6656

QV  PDF Programmable Resolution 1-Wire Digital Thermometer
DS18B20

QV  PDF Econo 1-Wire Digital Thermometer
DS1822

QV  PDF CPU Peripheral Monitor
DS1780

QV  PDF Tiny Digital Thermometer and Thermostat
DS1775, DS1775R

QV  PDF Digital Thermometer with SPI/3-Wire Interface
DS1722

QV  PDF Digital Thermometer and Thermostat
DS1721

QV  PDF ±1°C, SMBus-Compatible Remote/Local Temperature Sensors with Overtemperature Alarms
MAX6657, MAX6658, MAX6659

QV  PDF Temperature Sensor and System Monitor in a 10-Pin µMAX
MAX6652

Temperature Sensor and System Monitor in a 10-pin µMax
QV  PDF 1°C Accurate Remote/Local Temperature Sensor with SMBus Serial Interface
MAX6654

QV  PDF 9-Bit/12-Bit Temperature Sensors with I²C-Compatible Serial Interface in a SOT23
MAX6625, MAX6626

9-Bit and 12-Bit Temperature Sensing in A 6-Lead SOT
QV  PDF Low-Cost, Remote SOT Temperature Switches
MAX6511, MAX6512, MAX6513

Industry's Only Temperature Switch for External P-N Junction - Either a Discrete Diode-Connected Transistor on an External IC Die
QV  PDF Fan-Speed Regulators and Monitors with SMBus™/I²C-Compatible Interface
MAX6650, MAX6651

Controls and Monitors Fan Speed for High-Performance Thermal Management
QV  PDF Fan Controller and Remote Temperature Sensor with SMBus Serial Interface
MAX1669

Industry First - Temperature Sensor with PWM and Linear Fan Control
QV  PDF SOT Temperature Sensors with Period/Frequency Output
MAX6576, MAX6577

SOT23 Single Wire Digital Temperature Sensors
QV  PDF SOT Temperature Sensor with Multidrop Single Wire Digital Interface
MAX6575H, MAX6575L

SOT23 Single-Wire Digital Temperature Sensors
QV  PDF Remote/Local Temperature Sensor with SMBus Serial Interface
MAX1617A

Accurate, Remote/ Local Temperature Sensor
QV  PDF Low-Cost, +2.7V to +5.5V, Micropower Temperature Switches in SOT23 and TO-220
MAX6501, MAX6502, MAX6503, MAX6504

Industry's Simplest Temperature Detectors - Easy to Use, Low Cost, No External Components Required!



Key Specifications:   Clock Generators
Part Number Nominal Input Reference (Crystal or CLK) (kHz) Input Reference Range (MHz) Output Frequencies (MHz) Output Type Number of Outputs Number of PLLs VCXO ± ppm Spread Spectrum Output Jitter (ps) Output Skew (ps) Supply Voltage (V) Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX9486  8 0.008 35.328 LVCMOS 6 2 200 No 120 (p-p)
15 (RMS)
185 3.0 to 3.6 TSSOP/24 52 -40 to +85
See All Clock Generators (22)

Key Specifications:   Fan Controllers
Part Number Sensor Type Functions Fan Control Interface Accuracy (±°C) Temperature Threshold (°C) Temperature Resolution (Bits) Features Package Smallest Available Package (max w/pins) (mm2)
MAX6653  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 2-Wire/SMBus 1 Programmable 11  -  QSOP/16 31
MAX6663  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 2-Wire/SMBus 1 Programmable 11  -  QSOP/16 31
MAX6664  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 2-Wire/SMBus 1 Programmable 11  -  QSOP/16 31
MAX6650   -   -  Linear 2-Wire/SMBus  -   -   - 
Closed/Open-Loop Fan-Speed Control for 5V/12V Fans
Monitors Tachometer Output
Programmable Alert/GPIO Outputs
uMAX/10 15
MAX6651   -   -  Linear 2-Wire/SMBus  -   -   - 
Closed/Open-Loop Fan-Speed Control for 5V/12V Fans
Monitors up to 4 Tachometer Outputs
Programmable Alert/GPIO Outputs
Synch Capability
QSOP/16 31
MAX1669  Remote  -  PWM 2-Wire/SMBus 3 Programmable 8  -  QSOP/16 31
MAX6615  Remote
Dual Temperature Monitor
Fan Controller
Fan Failure Detector
Thermistor-to-Digital Converter
PWM 2-Wire/SMBus 1 Programmable 11
Closed/Open-Loop Fan-Speed Control for 5V/12V Fans
Monitors Tachometer Output
Thermistor Inputs
Two Channels
QSOP/16 31
MAX6616  Remote
Fan Failure Detector
PWM 2-Wire/SMBus 1 Programmable  - 
GPIOs
Thermistor Inputs
QSOP/24 54
MAX6639  Remote
Remote & Local Sensor
PWM 2-Wire/SMBus 1 Programmable  - 
Closed/Open-Loop Fan-Speed Control for 5V/12V Fans
Monitors Tachometer Output
Selectable Address
Two Alarm Outputs
QSOP/16
THIN QFN/16
26
MAX6641  Remote  -  PWM 2-Wire/SMBus 1 Programmable  - 
/OVERT Thermostat Output
uMAX/10 15
See All Fan Controllers (19)

Key Specifications:   Temperature Sensors
Part Number Sensor Type Alarm Output Functions Interface Remote Channels Accuracy (±°C) Parasite Power Temperature Threshold Temperature Resolution (Bits) Multi-Droppable Features Package Smallest Available Package (max w/pins) (mm2)
MAX6615  Remote Fan Failure
Overt
Dual Temperature Monitor
Fan Controller
Fan Failure Detector
Thermistor-to-Digital Converter
2-Wire/SMBus Dual 1 No Programmable 11  - 
Closed/Open-Loop Fan-Speed Control for 5V/12V Fans
Monitors Tachometer Output
Thermistor Inputs
Two Channels
QSOP/16 31
DS7505  NEW! Local  - 
Standalone Thermostat
2-Wire/SMBus  -  0.5 No Programmable (NV) 10
11
12
9
Yes
High Accuracy
Low Voltage Operation
Nonvolatile Thermostatic Settings
SMBus Time-Out Prevents SMBus Lockup
Separate High and Low Temperature Thresholds
SOIC/8 31
DS75LX  Local  -   -  2-Wire/SMBus  -  2 No Programmable 10
11
12
9
Yes
27 I2C Addresses
Low Voltage Operation
SMBus Time-Out Prevents SMBus Lockup
Separate High and Low Temperature Thresholds
SOIC/8
uSOP/8
16
MAX6699  Remote Alert
Overt
Dual Temperature Alarms
Multi-Channel Temperature Monitor
Remote & Local Sensor
2-Wire/SMBus Quad 1 No Programmable 11  - 
CPU Monitoring Functions
QSOP/16
TSSOP/16
31
DS75LV  Local  -   -  2-Wire/SMBus  -  2 No Programmable 10
11
12
9
Yes
Low Voltage Operation
SMBus Time-Out Prevents SMBus Lockup
Separate High and Low Temperature Thresholds
SOIC/8
uSOP/8
16
DS620  Local  - 
Standalone Thermostat
2-Wire/SMBus  -  0.5 No Programmable (NV) 10
11
12
13
 - 
High Accuracy
Separate High and Low Temperature Thresholds
uSOP/8 15
MAX6695  Remote Alert
Overt
Dual Temperature Monitor
Remote & Local Sensor
2-Wire/SMBus Dual 1 No Programmable  -   -   -  uMAX/10  - 
MAX6696  Remote Alert
Overt
Dual Temperature Sensor
2-Wire/SMBus Dual 1 No Programmable  -   -   -  QSOP/16 31
MAX6642  Remote Alert
Remote & Local Sensor
Single Temperature Alarm
2-Wire/SMBus Single 1 No Programmable 10  -   -  THIN QFN (Dual)/6 10
MAX6646  Remote Alert
Overt
Dual Temperature Alarms
Remote & Local Sensor
2-Wire/SMBus Single 0.8 No Programmable 11  - 
Multiple Temperature Thresholds
uMAX/8 16
MAX6647  Remote Alert
Overt
Dual Temperature Alarms
Remote & Local Sensor
2-Wire/SMBus Single 0.8 No Programmable 11  - 
Multiple Temperature Thresholds
uMAX/8 16
DS1626  Local Time/Thermal
Standalone Thermostat
3-Wire  -  0.5 No Programmable (NV) 10
11
12
9
 - 
High Accuracy
Separate High and Low Temperature Thresholds
SOIC/8
uSOP/8
16
DS1726  Local  - 
Standalone Thermostat
3-Wire  -  1 No Programmable (NV) 10
11
12
9
 - 
Separate High and Low Temperature Thresholds
uSOP/8 16
MAX6648  Remote Alert
Overt
Dual Temperature Alarms
Remote & Local Sensor
2-Wire/SMBus Single 0.8 No Programmable 10  - 
Default Alert Threshold
uMAX/8 16
MAX6649  Remote Alert
Overt
Dual Temperature Alarms
Remote & Local Sensor
2-Wire/SMBus Single 0.8 No Programmable 11  - 
Multiple Temperature Thresholds
uMAX/8 16
MAX6692  Remote Alert
Overt
Dual Temperature Alarms
Remote & Local Sensor
2-Wire/SMBus Single 0.8 No Programmable 10  - 
Default Alert Threshold
SOIC/8
uMAX/8
16
DS1631  Local  -   -  2-Wire/SMBus  -  0.5 No Programmable (NV) 10
11
12
9
Yes
High Accuracy
PDIP/8
SOIC/8
uSOP/8
16
DS1731  Local  -   -  2-Wire/SMBus  -  1 No Programmable (NV) 10
11
12
9
Yes
Nonvolatile Thermostatic Settings
uSOP/8 16
MAX6662  Local Alert
Overt
 -  3-Wire/SPI  -  1 No Programmable 13  - 
Multiple Temperature Thresholds
Two Alarm Outputs
SOIC/8 31
MAX6655  Remote Alert
Overt
Remote & Local Sensor
Voltage Monitor
2-Wire/SMBus Dual 1 No Programmable 11  - 
Multiple Temperature Thresholds
Two Alarm Outputs
QSOP/16 31
MAX6656  Remote Alert
Overt
Remote & Local Sensor
Voltage Monitor
2-Wire/SMBus Dual 1 No Programmable 11  - 
Multiple Temperature Thresholds
Two Alarm Outputs
QSOP/16 31
MAX6657  Remote Alert
Overt
Remote & Local Sensor
2-Wire/SMBus Single 1 No Programmable 11  - 
Two Alarm Outputs
SOIC/8 31
MAX6658  Remote Alert
Overt
Remote & Local Sensor
2-Wire/SMBus Single 1 No Programmable 11  - 
Two Alarm Outputs
SOIC/8 31
MAX6659  Remote Alert
Overt
Remote & Local Sensor
2-Wire/SMBus Single 1 No Programmable 11  - 
Three Alarm Outputs
QSOP/16 31
MAX6575  Local  -   -  Pulse Delay  -  3 No  -   -  Yes
Single-Wire Interface
SOT-23/6 9
DS1822  Local  -   -  1-Wire  -  2 Yes Programmable (NV) 10
11
12
9
Yes
Single-Wire Interface
Unique Network Address
SOIC/8
TO92/3
20
DS18B20  Local  -   -  1-Wire  -  0.5 Yes Programmable (NV) 10
11
12
9
Yes
High Accuracy
Single-Wire Interface
Unique Network Address
SOIC/8
TO92/3
uSOP/8
16
DS1721  Local  -   -  2-Wire/SMBus  -  1 No Programmable 10
11
12
9
Yes  -  SOIC/8
uSOP/8
16
DS1722  Local  -   -  3-Wire/SPI  -  2 No  -  10
11
12
8
9
 - 
Pin-Selectable Interface
SOIC/8
uSOP/8
16
DS1775  Local  -   -  2-Wire/SMBus  -  2 No Programmable 10
11
12
9
Yes  -  SOT-23/5 9
DS1780  Local  - 
Fan Controller
Voltage Monitor
2-Wire/SMBus  -  2 No Programmable 9 Yes
CPU Monitoring Functions
TSSOP/24 52
MAX6652  Local Alert
Voltage Monitor
2-Wire/SMBus  -  2 No Programmable 8  - 
Includes 4 Voltage Monitors
uMAX/10 15
MAX6654  Remote Alert
Remote & Local Sensor
2-Wire/SMBus Single 1 No  -  11  - 
Multiple Temperature Thresholds
Two Channels
QSOP/16 31
MAX6625  Local Overt  -  2-Wire/SMBus  -  3 No Programmable 9 Yes  -  SOT-23/6
THIN QFN (Dual)/6
9
MAX6626  Local Overt  -  2-Wire/SMBus  -  3 No Programmable 12 Yes  -  SOT-23/6
THIN QFN (Dual)/6
9
MAX1617A  Remote Alert
Remote & Local Sensor
2-Wire/SMBus Single 3 No  -  8  - 
Two Channels
QSOP/16 31
MAX6576  Local  -   -  Period µ Temp.  -  3 No  -   -   - 
Single-Wire Interface
Squarewave Out
SOT-23/6 9
MAX6577  Local  -   -  Freq. µ Temp.  -  3 No  -   -   - 
Single-Wire Interface
Squarewave Out
SOT-23/6 9
See All Temperature Sensors (97)

Key Specifications:   Temperature Switches
Part Number Switch Type Functions Interface Accuracy (±°C) Temperature Threshold (°C) Features Package Smallest Available Package (max w/pins) (mm2)
MAX6687  Remote
Dual Output Temperature Switch
Dual Temperature Alarms
Logic 1.5 +40
+45
+50
+55
+60
+65
+70
+75
+80
Open Drain Active Low Output
uMAX/8 16
MAX6688  Remote
Dual Output Temperature Switch
Dual Temperature Alarms
Logic 1.5 +40
+45
+50
+55
+60
+65
+70
+75
+80
Push Pull Active High Output
uMAX/8 16
MAX6511  Remote
Temperature Switch/Temperature Comparator
Logic 3 Factory Programmed  -  SOT-23/6 9
MAX6512  Remote
Temperature Switch/Temperature Comparator
Logic 3 Factory Programmed  -  SOT-23/6 9
MAX6513  Remote
Temperature Switch/Temperature Comparator
Logic 3 Factory Programmed  -  SOT-23/6
THIN QFN (Dual)/6
9
MAX6501  Local
Temperature Switch/Temperature Comparator
Logic 0.5 +45
+55
+65
+75
+85
+95
Pin Selectable Hysteresis
SOT-23/5 9
MAX6502  Local
Temperature Switch/Temperature Comparator
Logic 0.5 +45
+55
+65
+75
+85
+95
Pin Selectable Hysteresis
SOT-23/5 9
MAX6503  Local
Temperature Switch/Temperature Comparator
Logic 0.5 +5
-15
Pin Selectable Hysteresis
SOT-23/5 9
MAX6504  Local
Temperature Switch/Temperature Comparator
Logic 0.5 +5
-15
Pin Selectable Hysteresis
SOT-23/5 9
See All Temperature Switches (21)

Key Specifications:   Timekeeping & Real-Time Clocks
Part Number Functions Time Format (hh = sec/100) Date Format Interface Supply Voltage (V) Time- keeping Current (typ) (nA) CL, Load Capacitance (pF) Memory Type Memory Size (Bytes) Number of Time of Day Alarms Features Package Smallest Available Package (max w/pins) (mm2)
DS2422 
Time/Temperature/Event Recorder
HH:MM:SS YY-MM-DD 1-Wire 3
3.3
1,200 12.5 NV SRAM 512 0
A to D Converter
Counter Alarm
Serial Number
Temperature Alarm
Wake-up
SOIC/24 118
See All Timekeeping & Real-Time Clocks (86)





         


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