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TMP421 Datasheet(PDF) 4 Page - Texas Instruments

Part # TMP421
Description  TMP42x-Q1 ±1°C Remote and Local Temperature Sensor
PDF  38 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TMP421 Datasheet(HTML) 4 Page - Texas Instruments

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1
2
3
4
8
7
6
5
V+
SCL
GND
DXP1
DXP2
DXP3
DXN
SDA
1
2
3
4
8
7
6
5
V+
SCL
GND
DX1
DX2
DX3
DX4
SDA
4
TMP421-Q1, TMP422-Q1, TMP423-Q1
SBOS821 – NOVEMBER 2016
www.ti.com
Product Folder Links: TMP421-Q1 TMP422-Q1 TMP423-Q1
Submit Documentation Feedback
Copyright © 2016, Texas Instruments Incorporated
TMP422-Q1 DCN Package
8-Pin SOT-23
Top View
TMP422-Q1 Pin Functions
PIN
TYPE
DESCRIPTION
NO.
NAME
1
DX1
Analog input
Channel 1 remote temperature sensor connection pin.
Also sets the TMP422-Q1 address; see Table 4.
2
DX2
Analog input
Channel 1 remote temperature sensor connection pin.
Also sets the TMP422-Q1 address; see Table 4.
3
DX3
Analog input
Channel 2 remote temperature sensor connection pin.
Also sets the TMP422-Q1 address; see Table 4.
4
DX4
Analog input
Channel 2 remote temperature sensor connection pin.
Also sets the TMP422-Q1 address; see Table 4.
5
GND
Ground
Ground
6
SDA
Bidirectional digital input-output
Serial data line for SMBus, open-drain; requires pullup resistor to V+.
7
SCL
Digital input
Serial clock line for SMBus, open-drain; requires pullup resistor to V+.
8
V+
Power supply
Positive supply voltage (2.7 V to 5.5 V).
TMP423-Q1 DCN Package
8-Pin SOT-23
Top View
TMP423-Q1 Pin Functions
PIN
TYPE
DESCRIPTION
NO.
NAME
1
DXP1
Analog input
Channel 1 positive connection to remote temperature sensor
2
DXP2
Analog input
Channel 2 positive connection to remote temperature sensor
3
DXP3
Analog input
Channel 3 positive connection to remote temperature sensor
4
DXN
Analog input
Common negative connection to remote temperature sensors, channel 1, channel 2, and channel 3
5
GND
Ground
Ground
6
SDA
Bidirectional digital input-output
Serial data line for SMBus, open-drain; requires pullup resistor to V+
7
SCL
Digital input
Serial clock line for SMBus, open-drain; requires pullup resistor to V+
8
V+
Power supply
Positive supply voltage (2.7 V to 5.5 V)



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