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LM92 Datasheet(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. LM92
Description  ±0.33°C Accurate, 12-Bit Sign Temperature Sensor and Thermal Window Comparator with Two-Wire Interface
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LM92 Datasheet(HTML) 6 Page - National Semiconductor (TI)

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Electrical Characteristics (Continued)
Note 9: The limits found in the following table supersede the limits shown in the Electrical Characteristics Table. The Accuracy specification includes errors due to
linearity, offset and gain. The accuracy specification includes effects of self heating with negligible digital output loading. Pull-up resistors should be maximized (10k
typical recommended), so that self heating due to digital output loading is negligible.
Temperature Accuracy Parameter Limits
Units
Conditions
+V
S=2.7V
+V
S=3.3V
+V
S=4V
+V
S=5V
+V
S=5.5V
T
A = −25˚C
−1.35/+1.50
−1.25/+1.50
−1.25/+1.50
−1.05/+1.70
−1.05/+1.80
˚C (max)
T
A = −10˚C
±1.00
−0.90/+1.00
−0.90/+1.00
−0.70/+1.20
−0.70/+1.30
˚C (max)
T
A = 0˚C
−0.80/+0.75
−0.70/+0.75
−0.70/+0.75
−0.50/+0.95
−0.50/+1.05
˚C (max)
T
A = 10˚C
−0.60/+0.50
±0.50
±0.50
−0.30/+0.70
−0.30/+0.80
˚C (max)
T
A = 30˚C
−0.43/+0.33
±0.33
±0.33
−0.13/+0.53
−0.13/+0.63
˚C (max)
T
A = 50˚C
−0.60/+0.50
±0.50
±0.50
−0.30/+0.70
−0.30/+0.80
˚C (max)
T
A = 85˚C
−1.10/+0.85
−1.00/+0.85
−1.00/+0.85
−0.80/+1.05
−0.80/+1.15
˚C (max)
T
A = 125˚C
−1.60/+1.25
−1.50/+1.25
±1.25
−1.05/+1.45
−1.05/+1.55
˚C (max)
T
A = 150˚C
±1.90
−1.75/+1.50
±1.50
−1.30/+1.70
−1.30/+1.80
˚C (max)
Limits at intermediate temperatures can be calculated using a straight line interpolation as shown in the following graphs:
Note 10: 12 bits + sign, two’s complement
Accuracy vs Temperature with +V
s =5V
DS101051-20
Accuracy vs Temperature with +V
s = 3.3V
DS101051-21
www.national.com
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