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Maxim > Solutions > Telecom Switches (PBX and Central Office)

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 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 Five-Channel Precision Temperature Monitor
MAX6602

Highly Accurate, Space-Saving, Multichannel Temperature Sensor
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 Low-Voltage, ±0.5°C Accuracy Digital Thermometer and Thermostat
DS620

First Digital, Temperature Sensor to Operate Down to 1.7V
QV  PDF Digital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection
MAX7500, MAX7501, MAX7502, MAX7503, MAX7504

Digital Temperature Sensors and Thermal Watchdog with Bus-Lockup Protection and Manual Reset
QV  PDF 2-Channel Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs
MAX6678

Industry's Only Dual Temperature Sensor and Fan Controller with Five GPIOs
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°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 PWM Output Temperature Sensors in SC70 Packages
MAX6672, MAX6673

Lowest Power PWM Output Temperature Sensors Available in SC70 Packages
QV  PDF 12-Bit + Sign Temperature Sensor with SPI-Compatible Serial Interface
MAX6662

QV  PDF 12-Bit Plus Sign Temperature Sensors with SMBus/I²C-Compatible Serial Interface
MAX6633, MAX6634, MAX6635

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

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 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-Power Analog Temperature Sensor in SC70 Package
MAX6605

Low-Power Analog Temperature Sensor in an SC-70 Package
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 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:   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)
MAX6678  Remote  -  PWM 2-Wire/SMBus 1 Programmable 8  -  QSOP/20
THIN QFN/20
54
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
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)
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
MAX6602  Remote Alert
Overt
Dual Temperature Alarms
Multi-Channel Temperature Monitor
Remote & Local Sensor
2-Wire/SMBus Quad 1 No Programmable 11  - 
CPU Monitoring Functions
TSSOP/16 33
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
MAX7500  Local  -   -  2-Wire/SMBus  -  2 No Programmable  -   -   -  SOIC/8
uMAX/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 15
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  - 
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
MAX6672  Local  -   -  PWM  -  3 No  -   -   -   -  SC-70/5 5
MAX6673  Local  -   -  PWM  -  3 No  -   -   -   -  SC-70/5 5
MAX6662  Local Alert
Overt
 -  3-Wire/SPI  -  1 No Programmable 13  - 
Multiple Temperature Thresholds
Two Alarm Outputs
SOIC/8  - 
MAX6633  Local  -   -  2-Wire/SMBus  -  1 No  -  13 Yes  -  SOIC/8  - 
MAX6634  Local Alert  -  2-Wire/SMBus  -  1 No Programmable 13 Yes  -  SOIC/8  - 
MAX6635  Local Alert
Overt
 -  2-Wire/SMBus  -  1 No Programmable 13 Yes
Multiple Temperature Thresholds
Second Threshold (Warning)
Two Alarm Outputs
SOIC/8  - 
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
MAX6575  Local  -   -  Pulse Delay  -  3 No  -   -  Yes
Single-Wire Interface
SOT-23/6 9
MAX6652  Local Alert
Voltage Monitor
2-Wire/SMBus  -  2 No Programmable 8  - 
Includes 4 Voltage Monitors
uMAX/10 15
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
MAX6605  Local  -   -  Analog  -  1 No  -   -   -   -  SC-70/5 5
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
MAX7501  Local Overt
Standalone Thermostat
2-Wire/SMBus  -  2 No Programmable 11  - 
SMBus Time-Out Prevents SMBus Lockup
SOIC/8
uMAX/8
16
MAX7502  Local Overt
Standalone Thermostat
2-Wire/SMBus  -  2 No Programmable 11  - 
SMBus Time-Out Prevents SMBus Lockup
SOIC/8
uMAX/8
16
MAX7503  Local Overt
Standalone Thermostat
2-Wire/SMBus  -  2 No Programmable 11  -   -  SOIC/8
uMAX/8
16
MAX7504  Local Overt
Single Temperature Alarm
2-Wire/SMBus  -  2  -   -   -   -   -  SOIC/8
uMAX/8
16
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)
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
Plastic TO-220/7
SOT-23/5
9
MAX6502  Local
Temperature Switch/Temperature Comparator
Logic 0.5 +45
+55
+65
+75
+85
+95
Pin Selectable Hysteresis
Plastic TO-220/7
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)





         



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