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TMP442 数据表(PDF) 4 Page - Texas Instruments

部件名 TMP442
功能描述  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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制造商  TI2 [Texas Instruments]
网页  https://www.ti.com
标志 TI2 - Texas Instruments

TMP442 数据表(HTML) 4 Page - Texas Instruments

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5 Pin Configuration and Functions
1
V DD 
10
SCL
2
DP1
9
SDA
3
DN1
8
ALERT
4
DP2
7
T_CRIT
5
DN2
6
GND
Not to scale
Figure 5-1. DGS Package 10-Pin VSSOP Top View
1
V
DD
2
DP1
3
DN1
4
DP2
5
DN2
6
GND
7
T_CRIT
8
ALERT
9
SDA
10
SCL
Not to scale
Thermal
Pad
Figure 5-2. DSQ Package 10-Pin WSON Top View
Table 5-1. Pin Functions
PIN
TYPE(1)
DESCRIPTION
NAME
NO.
VDD
1
P
Supply Pin. Bypass to GND with a 0.1μF capacitor.
DP1
2
I/O
Positive (anode) connection to the remote diode for channel 1. Leave DP1 and DN1 open if no remote
diode is used. Place a 470pF capacitor between DP1 and DN1 for noise filtering (if needed).
DN1
3
I/O
Negative (cathode) connection to the remote diode for channel 1. Leave DP1 and DN1 open if no
remote diode is used. Place a 470pF capacitor between DP1 and DN1 for noise filtering (if needed).
DP2
4
I/O
Positive (anode) connection to the remote diode for channel 2. Leave DP2 and DN2 open if no remote
diode is used. Place a 470pF capacitor between DP2 and DN2 for noise filtering (if needed).
DN2
5
I/O
Negative (cathode) connection to the remote diode for channel 2. Leave DP2 and DN2 open if no
remote diode is used. Place a 470pF capacitor between DP2 and DN2 for noise filtering (if needed).
GND
6
G
Ground connection
T_CRIT
7
I/O
Open-drain critical temperature alert pin. A pullup resistor to VDD (or a separate bus) is required.
T_CRIT and ALERT pins can be floating if not in use.
ALERT
8
O
Open-drain temperature alert pin. A pullup resistor to VDD (or a separate bus) is required. T_CRIT and
ALERT pins can be floating if not in use.
SDA
9
I/O
Open-drain serial data line. Requires a pullup resistor.
SCL
10
I
Input serial data line clock. Note I2C clock stretching is not supported.
(1)
I = Input; O = Output; I/O = Input or Output; G = Ground; P = Power/Supply
TMP4719
SBOSAJ7A – OCTOBER 2025 – REVISED DECEMBER 2025
www.ti.com
4
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Copyright © 2025 Texas Instruments Incorporated
Product Folder Links: TMP4719



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