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

Temperature Sensors

DATA SHEETS
Display Title/Parts Key Advantages
QV  PDF Evaluation Kit for the MAX6633, MAX6634, and MAX6635
MAX6635EVKIT

QV  PDF Evaluation Kit for the MAX6662
MAX6662EVKIT

QV  PDF Evaluation Kit for the MAX7500
MAX7500EVKIT

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 Fan Controller Functions Fan Cntrl. Interface Accuracy
(±°C)
Temp. Thresh.
(°C)
Temp. Resolution
(bits)
Features
MAX6678  Remote - PWM 2-Wire/I2C/SMBus 1 Programmable 8 -
MAX6641  Remote - PWM 1 Programmable - /OVERT Thermostat Output
MAX6653  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 1 Programmable 11 -
MAX6663  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 1 Programmable 11 -
MAX6664  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 1 Programmable 11 -
MAX6650  - - Linear - - -
Closed/Open-Loop Fan-Speed Control for 5V/12V Fans
Monitors Tachometer Output
Programmable Alert/GPIO Outputs
MAX6651  - - Linear - - -
Closed/Open-Loop Fan-Speed Control for 5V/12V Fans
Monitors up to 4 Tachometer Outputs
Programmable Alert/GPIO Outputs
Synch Capability
MAX1669  Remote - PWM 3 Programmable 8 -
See All Fan Controllers (19)

Key Specifications:  Temperature Sensors
Part Number Sensor Type Alarm Output Functions Interface Remote Chan. Accuracy
(±°C)
Parasite Pwr. Temp. Thresh. Temp. Resolution
(bits)
Multi Droppable Oper. Temp.
(°C)
Smallest Available Pckg.
(mm2)
max w/pins
DS7505  Local - Standalone Thermostat 2-Wire/I2C/SMBus - 0.5 No Programmable (NV)
9
10
11
12
Yes -55 to +125 16.2
DS75LX  Local - - 2-Wire/I2C/SMBus - 2 No Programmable
9
10
11
12
Yes -55 to +125 16.2
MAX6602  Remote
Alert
Overt
Dual Temperature Alarms
Multi-Channel Temperature Monitor
Remote & Local Sensor
2-Wire/I2C/SMBus Quad 1 No Programmable 11 - -40 to +125 33.4
DS75LV  Local - - 2-Wire/I2C/SMBus - 2 No Programmable
9
10
11
12
Yes -55 to +125 16.2
MAX7500  Local - - 2-Wire/I2C/SMBus - 2 No Programmable - - -55 to +125 6.3
MAX7501  Local Overt Standalone Thermostat 2-Wire/I2C/SMBus - 2 No Programmable 11 - -55 to +125 16.2
MAX7502  Local Overt Standalone Thermostat 2-Wire/I2C/SMBus - 2 No Programmable 11 - -55 to +125 16.2
MAX7503  Local Overt Standalone Thermostat 2-Wire/I2C/SMBus - 2 No Programmable 11 - -55 to +125 30.9
MAX7504  Local Overt Single Temperature Alarm 2-Wire/I2C/SMBus - 2 - - - - -55 to +125 30.9
DS620  Local - Standalone Thermostat 2-Wire/I2C/SMBus - 0.5 No Programmable (NV)
10
11
12
13
- -55 to +125 15.3
MAX6695  Remote
Alert
Overt
Dual Temperature Monitor
Remote & Local Sensor
2-Wire/I2C/SMBus Dual 1 No Programmable - - -40 to +125 15.4
MAX6696  Remote
Alert
Overt
Dual Temperature Sensor 2-Wire/I2C/SMBus Dual 1 No Programmable - - -40 to +125 30.9
MAX6642  Remote Alert
Remote & Local Sensor
Single Temperature Alarm
2-Wire/I2C/SMBus Single 1 No Programmable 10 - -40 to +125 9.6
DS1626  Local -
Dual Output Temperature Switch
Dual Temperature Alarms
Standalone Thermostat
Temperature Switch/Temperature Comparator
3-Wire
Logic
- 0.5 No Programmable (NV)
9
10
11
12
- -55 to +125 16.2
DS1726  Local -
Dual Output Temperature Switch
Dual Temperature Alarms
Standalone Thermostat
Temperature Switch/Temperature Comparator
3-Wire
Logic
- 1 No Programmable (NV)
9
10
11
12
- -55 to +125 16.2
MAX6672  Local - - PWM - 3 No - - - -40 to +125 5.3
MAX6673  Local - - PWM - 3 No - - - -40 to +125 5.3
MAX6662  Local
Alert
Overt
- 3-Wire/SPI - 1 No Programmable 13 - -55 to +125 30.9
MAX6633  Local - - 2-Wire/I2C/SMBus - 1 No - 13 Yes -55 to +150 30.9
MAX6634  Local Alert - 2-Wire/I2C/SMBus - 1 No Programmable 13 Yes -55 to +150 30.9
MAX6635  Local
Alert
Overt
- 2-Wire/I2C/SMBus - 1 No Programmable 13 Yes -55 to +150 30.9
MAX6655  Remote
Alert
Overt
Remote & Local Sensor
Voltage Monitor
2-Wire/I2C/SMBus Dual 1 No Programmable 11 - -55 to +125 30.9
MAX6656  Remote
Alert
Overt
Remote & Local Sensor
Voltage Monitor
2-Wire/I2C/SMBus Dual 1 No Programmable 11 - -55 to +125 30.9
MAX6575  Local - - Pulse Delay - 3 No - - Yes -55 to +125 9
MAX6652  Local Alert Voltage Monitor 2-Wire/I2C/SMBus - 2 No Programmable 8 - -40 to +125 15.4
MAX6625  Local Overt - 2-Wire/I2C/SMBus - 3 No Programmable 9 Yes -40 to +125 9
MAX6626  Local Overt - 2-Wire/I2C/SMBus - 3 No Programmable 12 Yes -55 to +125 9
MAX6605  Local - - Analog - 1 No - - - -55 to +125 5.3
MAX6576  Local - - Period µ Temp. - 3 No - - - -55 to +125 9
MAX6577  Local - - Freq. µ Temp. - 3 No - - - -55 to +125 9
See All Temperature Sensors (99)

Key Specifications:  Temperature Switches
Part Number Switch Type Functions Interface Accuracy
(±°C)
Temp. Thresh.
(°C)
Features RoHS Available Package/Pins
DS1626  Local
Dual Output Temperature Switch
Dual Temperature Alarms
Standalone Thermostat
Temperature Switch/Temperature Comparator
3-Wire
Logic
0.5
Factory Programmed
Programmable
High Accuracy
Nonvolatile Thermostatic Settings
Push Pull Active High Output
Separate High and Low Temperature Thresholds
Yes
µMAX/8
SOIC (W)/8
DS1726  Local
Dual Output Temperature Switch
Dual Temperature Alarms
Standalone Thermostat
Temperature Switch/Temperature Comparator
3-Wire
Logic
1
Factory Programmed
Programmable
Push Pull Active High Output
Separate High and Low Temperature Thresholds
Yes
µMAX/8
MAX6511  Remote Temperature Switch/Temperature Comparator Logic 3 Factory Programmed - No
SOT/6
MAX6512  Remote Temperature Switch/Temperature Comparator Logic 3 Factory Programmed - No
SOT/6
MAX6513  Remote Temperature Switch/Temperature Comparator Logic 3 Factory Programmed - Yes
SOT/6
TDFN-EP/6
MAX6501  Local Temperature Switch/Temperature Comparator Logic 0.5
+45
+55
+65
+75
+85
+95
Pin Selectable Hysteresis Yes
SOT/5
MAX6502  Local Temperature Switch/Temperature Comparator Logic 0.5
+45
+55
+65
+75
+85
+95
Pin Selectable Hysteresis Yes
SOT/5
MAX6503  Local Temperature Switch/Temperature Comparator Logic 0.5
-15
+5
Pin Selectable Hysteresis Yes
SOT/5
MAX6504  Local Temperature Switch/Temperature Comparator Logic 0.5
-15
+5
Pin Selectable Hysteresis Yes
SOT/5
See All Temperature Switches (25)



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