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Maxim > Solutions > Security Systems

Temperature Sensors

DATA SHEETS
Display Title / Parts Key Advantages
QV    Ultra-Low-Power Tamper-Detection Circuit with Nonimprinting Memory
DS3655

Single-Chip Solution Provides Security, Tamper Detection, Encryption-Key Storage, and Encryption-Key Destruction in Event of Tamper
QV  PDF Low-Power, Low-Noise Multichannel Sensor Signal Processor
MAX1464

Multichannel Sensor Signal Processor Provides Amplification, Calibration, Linearization, and Temperature Compensation of Variety of Sensors
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 Automatic PWM Fan-Speed Controllers with Overtemperature Output
MAX6643, MAX6644, MAX6645

Automatic PWM Fan-Speed Controllers with Overtemperature Output Eliminate Software Overhead
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 ±0.5°C Accurate Analog-Output Temperature Sensor
DS600

Analog Temperature Sensor Is +0.5°C Accurate Over Entire 2.7V to 5.5V Operating Voltage Range, and Wide -20°C to +100°C Temperature Range
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 Temperature Logger iButton with 8KB Datalog Memory
DS1922L, DS1922T

Temperature Data-Logger iButtons Feature 8KB Datalog Memory
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 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 Dual Trip SOT Temperature Switches
MAX6505, MAX6506, MAX6507, MAX6508

Dual Temperature Comparators in a SOT23! Small, Simple, and Low-Power
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:   iButton Products
Part Number Overview Memory Type Memory Size Data Logger Type Data Logger Size Data Logger Sampling Rate Data Logger Accuracy Data Logger Resolution Data Logger Measurement Range Security Features Programmable Alarm UniqueWare Real-Time Clock
DS1922L 
Temperature Sensor iButton
NV SRAM 512 Bytes Temperature 8192 Byte 1s to 273hrs Correctible to ±0.5°C Selectable 8-bit (0.5°C) or 11-bit (0.0625°C) -40°C to +85°C Password Protected Temperature High/Low No Yes
DS1922T 
Temperature Sensor iButton
NV SRAM 512 Bytes Temperature 8192 Byte 1s to 273hrs Correctible to ±0.5°C Selectable 8-bit (0.5°C) or 11-bit (0.0625°C) 0°C to +125°C Password Protected Temperature High/Low No Yes
See All iButton Products (26)

Key Specifications:   Fan Controllers
Part Number Sensor Type Functions Fan Control Interface Accuracy (±°C) Temperature Threshold (°C) Temperature Resolution (Bits) Features
MAX6678  Remote  -  PWM 2-Wire/I2C/SMBus 1 Programmable 8  - 
MAX6641  Remote  -  PWM 2-Wire/I2C/SMBus 1 Programmable  - 
/OVERT Thermostat Output
MAX6653  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 2-Wire/I2C/SMBus 1 Programmable 11  - 
MAX6663  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 2-Wire/I2C/SMBus 1 Programmable 11  - 
MAX6664  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 2-Wire/I2C/SMBus 1 Programmable 11  - 
MAX6643  Remote  -  PWM  -  2 Programmable  -   - 
See All Fan Controllers (19)

Key Specifications:   Secure Supervisors
Part Number Digital Inputs Monitored Internal Key Memory (Bytes) External Memory Control Random Number Generator Over-Voltage Monitor Battery Monitor Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
DS3655  4 64 No No No No CSBGA/16 16 -40 to +85
See All Secure Supervisors (7)

Key Specifications:   Sensor Signal Conditioners
Part Number Calibration Method Accuracy (% FSO) Output Type Typ/Max Supply Current (mA) Features Supply Voltage (V)
MAX1464  Programmable 16-BIT CPU with on-board EEPROM 0.1 Analog
Digital
2.0/2.5
Dual Channel
Integrated Temperature Sensor
Low Cost
Output configurable as separate independent signals
Programmable Amplification, Calibration, Linearization and Temp. Compensation
4.5 to 5.5
See All Sensor Signal Conditioners (4)

Key Specifications:   Temperature Sensors
Part Number Sensor Type Functions Interface Accuracy (±°C) Parasite Power Temperature Threshold Temperature Resolution (Bits) Operating Temp. Range (°C) Smallest Available Package (max w/pins) (mm2)
DS600  Local
Standalone Thermostat
Analog 0.5 No Programmable  -  -40 to +125 15
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
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
MAX6605  Local  -  Analog 1 No  -   -  -20 to +125 5
See All Temperature Sensors (99)

Key Specifications:   Temperature Switches
Part Number Switch Type Functions Interface Accuracy (±°C) Temperature Threshold (°C) Features Package
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
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
µMAX/8
MAX6511  Remote
Temperature Switch/Temperature Comparator
Logic 3 Factory Programmed  -  SOT/6
MAX6512  Remote
Temperature Switch/Temperature Comparator
Logic 3 Factory Programmed  -  SOT/6
MAX6513  Remote
Temperature Switch/Temperature Comparator
Logic 3 Factory Programmed  -  SOT/6
TDFN-EP/6
MAX6505  Local
Temperature Switch/Temperature Comparator
Logic 0.5 Factory Programmed
Second Threshold (Warning)
SOT/6
MAX6506  Local
Temperature Switch/Temperature Comparator
Logic 0.5 Factory Programmed
Second Threshold (Warning)
SOT/6
MAX6507  Local
Temperature Switch/Temperature Comparator
Logic 0.5 Factory Programmed
Second Threshold (Warning)
SOT/6
MAX6508  Local
Temperature Switch/Temperature Comparator
Logic 0.5 Factory Programmed
Second Threshold (Warning)
SOT/6
MAX6501  Local
Temperature Switch/Temperature Comparator
Logic 0.5 +45
+55
+65
+75
+85
+95
Pin Selectable Hysteresis
SOT/5
MAX6502  Local
Temperature Switch/Temperature Comparator
Logic 0.5 +45
+55
+65
+75
+85
+95
Pin Selectable Hysteresis
SOT/5
MAX6503  Local
Temperature Switch/Temperature Comparator
Logic 0.5 -15
+5
Pin Selectable Hysteresis
SOT/5
MAX6504  Local
Temperature Switch/Temperature Comparator
Logic 0.5 -15
+5
Pin Selectable Hysteresis
SOT/5
See All Temperature Switches (25)



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