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TMP442 Datasheet(PDF) 9 Page - Texas Instruments

Part # TMP442
Description  TMP4719 High-Accuracy 3-Channel (2-Remote and 1-Local) 1.2V Logic Compatible Temperature Sensor With η-Factor
PDF  63 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TMP442 Datasheet(HTML) 9 Page - Texas Instruments

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6.8 Typical Characteristics
at TA = 25°C and VDD = 3.3V (unless otherwise noted)
Ambient Te mperature (
C)
-40
-25
-10
5
20
35
50
65
80
95
110 125
-1.5
-1
-0.5
0
0.5
1
1.5
VDD = 1.62V to 5.5V
Figure 6-2. Local Temperature Error vs Temperature
Remote Diode Te mperature (
C)
-40
-25
-10
5
20
35
50
65
80
95
110 125
-1.5
-1
-0.5
0
0.5
1
1.5
Characterized with MMBT3904 NPN Transistor; TA = 25°C; 30
units
Figure 6-3. Remote Temperature Error vs Temperature
Series Resistance (
)
0
500
1000
1500
2000
2500
3000
3500
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
Characterized with MMBT3904 NPN Transistor; 7 units
averaged
Figure 6-4. Remote Temperature Error vs Series Resistance
Leakage Resistance (M
)
1
10
100
1000
-60
-50
-40
-30
-20
-10
0
10
20
D+ to GND
D+ to VDD
Figure 6-5. Remote Temperature Error vs Diode Parallel
Leakage Resistance
Differential Capacitance (nF)
0
5
10
15
20
-35
-30
-25
-20
-15
-10
-5
0
Characterized with MMBT3904 NPN Transistor
Figure 6-6. Remote Temperature Error vs Differential
Capacitance
Time (s)
-2
0
2
4
6
8
10
12
14
16
18
20
30
40
50
60
70
80
Local
Remote
Local: soldered devices on 62mil 2-layer FR4 PCB
Remote: characterized with MMBT3904 NPN Transistor
Temperature Step: TA jumps from 25°C to 75°C
Figure 6-7. Response Time (Stirred Liquid)
www.ti.com
TMP4719
SBOSAJ7A – OCTOBER 2025 – REVISED DECEMBER 2025
Copyright © 2025 Texas Instruments Incorporated
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Product Folder Links: TMP4719



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