TMP112 High-Precision, Low-Power, Digital Temperature Sensor - TMP112

TMP112 (ACTIVE)

TMP112 High-Precision, Low-Power, Digital Temperature Sensor

Recommended alternative parts

  • TMP102  -  +/-2°C Accurate Digital Temp Sensor in SOT563
  • TMP275  -  High Accuracy Digital Temperature Sensor in MSOP

Description

The TMP112 is a two-wire, serial output temperature sensor available in a tiny SOT563 package. Requiring no external components, the TMP112 is capable of reading temperatures to a resolution of 0.0625°C. The allows users to calibrate for higher accuracy.

The TMP112 features both SMBus and two-wire interface compatibility, and allows up to four devices on one bus. It also features an SMBus alert function.

The TMP112 is ideal for extended temperature measurement in communication, computer, consumer, environmental, industrial, and instrumentation applications. It is specified for operation over a temperature range of -40°C to +125°C.

Features

  • TINY SOT563 PACKAGE
  • ACCURACY:
    0.5°C (max) from 0°C to +65°C
    1.0°C (max) from -40°C to +125°C
  • LOW QUIESCENT CURRENT:
    10µA Active (max), 1µA Shutdown (max)
  • SUPPLY RANGE: 1.4V to 3.6V
  • RESOLUTION: 12 Bits
  • DIGITAL OUTPUT: Two-Wire Serial Interface
  • APPLICATIONS
    • PORTABLE AND BATTERY-POWERED APPLICATIONS
    • POWER-SUPPLY TEMPERATURE MONITORING
    • COMPUTER PERIPHERAL THERMAL PROTECTION
    • NOTEBOOK COMPUTERS
    • BATTERY MANAGEMENT
    • OFFICE MACHINES
    • THERMOSTAT CONTROLS
    • ELECTROMECHANICAL DEVICE TEMPERATURES
    • GENERAL TEMPERATURE MEASUREMENTS:
      Industrial Controls
      Test Equipment
      Medical Instrumentation

SMBus is a trademark of Intel, Inc.
All other trademarks are the property of their respective owners.

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Parametrics Compare all products in Digital Output

 
Local Sensor Accuracy (Max) (+/- 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$)
TMP112 TMP102 TMP103 TMP108 TMP175 TMP275 TMP75B TMP75C
0.5     2     3     1     1.5     0.5     2     1    
12     12     8     12     12     12     12     12    
7     10     1.5     6     50     50     40     20    
1.4     1.4     1.4     1.4     2.7     2.7     1.4     1.4    
3.6     3.6     3.6     3.6     5.5     5.5     3.6     3.6    
I2C
SMBus    
I2C     I2C
SMBus    
I2C     I2C
SMBus    
I2C
SMBus    
I2C     I2C    
Yes     Yes     No     Yes     Yes     Yes     Yes     Yes    
Yes     Yes     Yes     Yes     Yes     Yes     Yes     Yes    
    8 Addresses     Dynamically Programmable Limits     Fault Queue     Fault Queue     Configurable Temperature Resolution
Dynamically Programmable Limits
Fault Queue
One Shot Conversion Control    
Configurable Temperature Resolution
Dynamically Programmable Limits
Fault Queue
One Shot Conversion Control
Programmable Alert
Programmable Conversion Rate    
Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog     Catalog    
-40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -55 to 125     -55 to 125    
6SOT     6SOT     4DSBGA     6DSBGA     8SOIC
8VSSOP    
8SOIC
8VSSOP    
8SOIC
8VSSOP    
8SOIC
8VSSOP    
0.80 | 1ku     0.60 | 1ku     0.39 | 1ku     0.75 | 1ku     0.75 | 1ku     0.95 | 1ku     0.47 | 1ku     0.47 | 1ku    

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Companion parts

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INA210   Voltage Output, High/Low-Side Measurement, Bi-Directional Zero-Drift Series Current Shunt Monitor   Shunt-based/Non-Isolated - Current Shunt Monitor Analog Voltage Output    Zero-Drift Current Shunt Monitor for High Side Current Monitoring  
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