LM34_16 Datasheet, PDF (15/27 Pages) Texas Instruments – Precision Fahrenheit Temperature Sensors

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System Examples (continued)
LM34
SNIS161D – MARCH 2000 – REVISED JANUARY 2016
Figure 22. Expanded Scale Thermometer
(50°F to 80°F, for Example Shown)
Figure 23. Temperature-to-Digital Converter
(Serial Output, 128°F Full Scale)
∗ = 1% or 2% film resistor
— Trim RB for VB = 3.525V
— Trim RC for VC = 2.725V
— Trim RA for VA = 0.085V + 40 mV/°F x TAMBIENT
— Example, VA = 3.285V at 80°F
Figure 24. LM34 With Voltage-to-Frequency
Converter and Isolated Output
(3°F to 300°F; 30 Hz to 3000 Hz)
Figure 25. Bar-Graph Temperature Display
(Dot Mode)
Figure 26. Temperature-to-Digital Converter
(Parallel TRI-STATE Outputs for Standard Data Bus
to µP Interface, 128°F Full Scale)
Figure 27. Temperature Controller
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