SBOS335E June   2005  – December 2018 TMP300

PRODUCTION DATA.  

  1. 1Features
  2. 2Applications
  3. 3Description
    1.     Device Images
      1.      Pinout
      2.      Application Schematic
  4. 4Revision History
  5. 5Pin Configuration and Functions
    1.     Pin Functions
  6. 6Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Electrical Characteristics
    4. 6.4 Typical Characteristics
  7. 7Detailed Description
    1. 7.1 Overview
    2. 7.2 Feature Description
      1. 7.2.1 Calculating RSET
      2. 7.2.2 Using VTEMP to Trip the Digital Output
      3. 7.2.3 Analog Temperature Output
      4. 7.2.4 Using a DAC to Set the Trip Point
      5. 7.2.5 Hysteresis
  8. 8Device and Documentation Support
    1. 8.1 Receiving Notification of Documentation Updates
    2. 8.2 Community Resources
    3. 8.3 Trademarks
    4. 8.4 Electrostatic Discharge Caution
    5. 8.5 Glossary
  9. 9Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Hysteresis

The hysteresis pin has two settings. Grounding HYSTSET results in 5°C of hysteresis. Connecting HYSTSET to VS results in 10°C of hysteresis. Hysteresis error variation over temperature is shown in Figure 12 and Figure 13.

TMP300 ai_hyst_err_5c_sbos335.gifFigure 12. 5°C Hysteresis Error vs Temperature
TMP300 ai_hyst_err_10c_sbos335.gifFigure 13. 10°C Hysteresis Error vs Temperature

Use bypass capacitors on the supplies as well as on the RSET and analog out (VTEMP) pins when in noisy environments, as shown in Figure 14. These capacitors reduce premature triggering of the comparator.

TMP300 ai_bypass_prevent_sbos335.gifFigure 14. Bypass Capacitors Prevent Early Comparator Toggling Due to Circuit Board Noise