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TMP423-Q1 Datasheet(PDF) 4 Page - Texas Instruments |
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TMP423-Q1 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 38 page 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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