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TMP114 Scheda tecnica(PDF) 40 Page - Texas Instruments

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Il numero della parte TMP114
Spiegazioni elettronici  TMP114 Ultra-Thin, 1.2-V to 1.8-V Supply, High Accuracy Digital Temperature Sensor with I2C Interface
PDF  50 Pages
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

TMP114 Scheda tecnica(HTML) 40 Page - Texas Instruments

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9.2.3 Application Curves
Temperature (
C)
-40
-25
-10
5
20
35
50
65
80
95
110 125
-1
-0.75
-0.5
-0.25
0
0.25
0.5
0.75
1
1.2 V Average
1.8 V Average
Figure 9-2. Average Temperature Accuracy
9.3 Equal I2C Pullup and Supply Voltage Application
VDD
GND
SDA
SCL
TMP114
0.1 µF
1.08 V to 1.98 V
1.2 kΩ
I
2C
Controller
SDA
SCL
1.2 kΩ
Temperature
source
Figure 9-3. Equal I2C Pullup and Supply Voltage Application
9.3.1 Design Requirements
For this design example, use the parameters listed below.
Table 9-2. Design Parameters
Parameter
Value
Supply (VDD)
1.08 V to 1.98 V
SDA, SCL VPULLUP
VDD
SDA, SCL RPULLUP
1.2 kΩ
9.3.2 Detailed Design Procedure
The SDA and SCL pin voltage of the TMP114 can be the same as the supply voltage VDD. The accuracy of the
TMP114 is not affected by the pullup voltage.
TMP114
SNIS214A – JUNE 2021 – REVISED SEPTEMBER 2021
www.ti.com
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Product Folder Links: TMP114



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