Digital Temperature Sensor with 2-Wire Interface - TMP75

TMP75 (ACTIVE)

Digital Temperature Sensor with 2-Wire Interface

Recommended alternative parts

  • TMP275  -  Highest accuracy digital temperature sensor: 0.5C max
  • TMP175  -  Up to 27 devices on one two-wire bus; 1.5C max
  • TMP105  -  World's smallest digital temp sensors: 1.0mm x 1.5mm
  • TMP106  -  World's smallest digital temp sensors: 1.0mm x 1.5mm

Description

The TMP175 and TMP75 are two-wire, serial output temperature sensors available in SO-8 and MSOP-8 packages. Requiring no external components, the TMP175 and TMP75 are capable of reading temperatures with a resolution of 0.0625°C.

The TMP175 and TMP75 feature a Two-Wire interface that is SMBus-compatible, with the TMP175 allowing up to 27 devices on one bus and the TMP75 allowing up to eight devices on one bus. The TMP175 and TMP75 both feature an SMBus Alert function.

The TMP175 and TMP75 are ideal for extended temperature measurement in a variety of communication, computer, consumer, environmental, industrial, and instrumentation applications.

The TMP175 and TMP75 are specified for operation over a temperature range of –40°C to +125°C.

Features

  • 27 ADDRESSES (TMP175)
    8 ADDRESSES (TMP75)
  • DIGITAL OUTPUT: Two-Wire Serial Interface
  • RESOLUTION: 9- to 12-Bits, User-Selectable
  • ACCURACY:
    ±.5°C (max) from –25°C to +85°C
    ±2.0°C (max) from –40°C to +125°C
  • LOW QUIESCENT CURRENT:
    50µA, 0.1µA Standby
  • WIDE SUPPLY RANGE: 2.7V to 5.5V
  • SMALL SO-8 AND MSOP-8 PACKAGES
  • APPLICATIONS
    • POWER-SUPPLY TEMPERATURE MONITORING
    • COMPUTER PERIPHERAL THERMAL PROTECTION
    • NOTEBOOK COMPUTERS
    • CELL PHONES
    • BATTERY MANAGEMENT
    • OFFICE MACHINES
    • THERMOSTAT CONTROLS
    • ENVIRONMENTAL MONITORING AND HVAC
    • ELECTROMECHANICAL DEVICE TEMPERATURE

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Parametrics Compare all products in Digital Output

 
Local Sensor Accuracy (Max) (+/- C)
Temp Range for Listed Accuracy (C)
Temp Resolution (Max) (bits)
Supply Current (Typ) (uA)
Supply Voltage (Min) (V)
Supply Voltage (Max) (V)
Interface
Programmable Alert
Shutdown
Special Features
Rating
Operating Temperature Range (C)
Pin/Package
Approx. Price (US$)
TMP75 TMP175 TMP275
2     1.5     0.5    
-25 to 85     -25 to 85     -20 to 100    
12     12     12    
50     50     50    
2.7     2.7     2.7    
5.5     5.5     5.5    
I2C
SMBus    
I2C
SMBus    
I2C
SMBus    
Yes     Yes     Yes    
Yes     Yes     Yes    
Fault Queue     Fault Queue     Fault Queue    
Catalog     Catalog     Catalog    
-40 to 125     -40 to 125     -40 to 125    
8SOIC
8VSSOP    
8SOIC
8VSSOP    
8SOIC
8VSSOP    
0.45 | 1ku     0.75 | 1ku     0.95 | 1ku    

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