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TMP114 датащи(PDF) 40 Page - Texas Instruments

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номер детали TMP114
подробное описание детали  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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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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TMP114 датащи(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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