±1.5°C Analog Output Temperature Sensor
Product details
Parameters
Package | Pins | Size
Features
- Rated for −55°C to 130°C Range
- Available in SC70 and DSBGA Package
- Predictable Curvature Error
- Suitable for Remote Applications
- Accuracy at 30°C ±1.5 to ±4°C (Maximum)
- Accuracy at 130°C and −55°C ±2.5 to ±5°C (Maximum)
- Power Supply Voltage Range 2.4 V to 5.5 V
- Current Drain 10 μA (Maximum)
- Nonlinearity ±0.4% (Typical)
- Output Impedance 160 Ω (Maximum)
- Load Regulation
0 μA < IL< 16 μA −2.5 mV (Maximum)
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Description
The LM20 is a precision analog output CMOS integrated-circuit temperature sensor that operates over −55°C to 130°C. The power supply operating range is 2.4 V to 5.5 V. The transfer function of LM20 is predominately linear, yet has a slight predictable parabolic curvature. The accuracy of the LM20 when specified to a parabolic transfer function is ±1.5°C at an ambient temperature of 30°C. The temperature error increases linearly and reaches a maximum of ±2.5°C at the temperature range extremes. The temperature range is affected by the power supply voltage. At a power supply voltage of 2.7 V to 5.5 V, the temperature range extremes are 130°C and −55°C. Decreasing the power supply voltage to 2.4 V changes the negative extreme to −30°C, while the positive extreme remains at 130°C.
The LM20 quiescent current is less than 10 μA. Therefore, self-heating is less than 0.02°C in still air. Shutdown capability for the LM20 is intrinsic because its inherent low power consumption allows it to be powered directly from the output of many logic gates or does not necessitate shutdown.
Same functionality and pinout but is not an equivalent to the compared device:
Technical documentation
Type | Title | Date | |
---|---|---|---|
* | Datasheet | LM20 2.4-V, 10-µA, SC70, DSBGA Temperature Sensor datasheet (Rev. Q) | Jan. 31, 2015 |
Technical articles | How to choose the right thermistor for your temperature sensing application | Feb. 12, 2020 | |
Technical articles | How to enable thermal safety for automotive infotainment and cluster systems | Oct. 15, 2019 | |
Technical articles | Driving industrial innovation with small-size sensors | Sep. 12, 2019 | |
More literature | UL Certificate of Compliance Vol1-Sec12 E232195 | Aug. 06, 2018 | |
Technical articles | How to select a temperature sensor probe | Feb. 18, 2016 | |
Application note | AN-1256 Tiny Temperature Sensors for Portable Systems (Rev. A) | Apr. 26, 2013 | |
User guide | LM20X User's Guide | Feb. 28, 2013 | |
Application note | Tiny Temperature Sensors for Remote Systems | Feb. 17, 2003 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
The Texas Instruments LM20xEVM evaluation module (EVM) helps designers evaluate the operation and performance of the LM20B, LM20C, and LM20S analog temperature sensors.
Features
Reference designs
Design files
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download PMP20637 BOM (PMP11432 Control Card).pdf (100KB) -
download PMP20637 BOM (Load Card).pdf (29KB) -
download PMP20637 BOM (Main Board).pdf (33KB) -
download PMP20637 BOM (Windings).pdf (29KB) -
download PMP20637 Assembly Drawing (PMP11432 Control Card).pdf (111KB) -
download PMP20637 Assembly Drawing (Load Card).pdf (178KB) -
download PMP20637 Assembly Drawing (Main Board).pdf (178KB) -
download PMP20637 Assembly Drawing (Windings).pdf (550KB) -
download PMP20637 PCB (PMP11432 Control Card).pdf (757KB) -
download PMP20637 PCB (Load Card).pdf (1313KB) -
download PMP20637 PCB (Main Board).pdf (1331KB) -
download PMP20637 PCB (Windings).pdf (2063KB) -
download PMP20637 Altium (PMP11432 Control Card).zip (520KB) -
download PMP20637 Altium (Load Card).zip (748KB) -
download PMP20637 Altium (Main Board).zip (4087KB) -
download PMP20637 Altium (Windings).zip (708KB) -
download PMP20637 Gerber (PMP11432 Control Card).zip (234KB) -
download PMP20637 Gerber (Load Card).zip (2316KB) -
download PMP20637 Gerber (Main Board).zip (849KB) -
download PMP20637 Gerber (Windings).zip (2766KB)
Design files
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download PMP21309 BOM Files.zip (205KB) -
download PMP21309 Assembly Files.zip (149KB) -
download PMP21309 Layer Plots.zip (1174KB) -
download PMP21309 CAD Files.zip (2231KB) -
download PMP21309 Gerber.zip (2711KB)
Design files
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download PMP21842 BOM Files.zip (153KB) -
download PMP21842 Assembly Drawing.pdf (119KB) -
download PMP21842 PCB.pdf (714KB) -
download PMP21842 CAD Files.zip (584KB) -
download PMP21842 Gerber.zip (1731KB)
Design files
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download TIDA-01444 BOM.pdf (210KB) -
download TIDA-01444 Assembly Drawing.pdf (197KB) -
download TIDA-01444 PCB.pdf (993KB) -
download TIDA-01444 CAD Files.zip (1084KB) -
download TIDA-01444 Gerber.zip (386KB)
Design files
-
download PMP20978 BOM (Control Card) (PMP11432).pdf (100KB) -
download PMP20978 BOM (Load Card).pdf (27KB) -
download PMP20978 BOM (Main).pdf (32KB) -
download PMP20978 BOM (Winding Sec1).pdf (27KB) -
download PMP20978 BOM (Winding Sec2).pdf (27KB) -
download PMP20978 Assembly Drawing (Control Card) (PMP11432).pdf (111KB) -
download PMP20978 Assembly Drawing (Load Card).pdf (95KB) -
download PMP20978 Assembly Drawing (Main).pdf (132KB) -
download PMP20978 PCB (Control Card) (PMP11432).pdf (757KB) -
download PMP20978 PCB (Load Card).pdf (779KB) -
download PMP20978 PCB (Main).pdf (1020KB) -
download PMP20978 Altium (Control Card) (PMP11432).zip (520KB) -
download PMP20978 Altium (Load Card) (PMP20637).zip (2383KB) -
download PMP20978 Altium (Main).zip (3947KB) -
download PMP20978 Altium (Winding Gap).zip (150KB) -
download PMP20978 Altium (Winding Pri1).zip (174KB) -
download PMP20978 Altium (Winding Pri2).zip (174KB) -
download PMP20978 Altium (Winding Pri3).zip (175KB) -
download PMP20978 Altium (Winding Pri4).zip (174KB) -
download PMP20978 Altium (Winding Sec1).zip (340KB) -
download PMP20978 Altium (Winding Sec2).zip (341KB) -
download PMP20978 Gerber (Control Card) (PMP11432).zip (234KB) -
download PMP20978 Gerber (Load Card).zip (2044KB) -
download PMP20978 Gerber (Main).zip (2373KB) -
download PMP20978 Gerber (Winding Gap).zip (994KB) -
download PMP20978 Gerber (Winding Pri1).zip (1406KB) -
download PMP20978 Gerber (Winding Pri2).zip (1413KB) -
download PMP20978 Gerber (Winding Pri3).zip (1415KB) -
download PMP20978 Gerber (Winding Pri4).zip (1024KB) -
download PMP20978 Gerber (Winding Sec1) (PMP20637).zip (2133KB) -
download PMP20978 Gerber (Winding Sec2) (PMP20637).zip (2134KB)
Design files
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download TIDA-00381 BOM.pdf (52KB) -
download TIDA-00381 Gerber.zip (540KB)
CAD/CAE symbols
Package | Pins | Download |
---|---|---|
DSBGA (YZR) | 4 | View options |
SC70 (DCK) | 5 | View options |
Ordering & quality
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
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