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TMP421AIDCNTG4 Datasheet(PDF) 4 Page - Texas Instruments |
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TMP421AIDCNTG4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 30 page www.ti.com TMP421 PIN CONFIGURATION 1 2 3 4 8 7 6 5 V+ SCL GND DXP DXN A1 A0 SDA TMP421 TMP422 PIN CONFIGURATION 1 2 3 4 8 7 6 5 V+ SCL GND DX1 DX2 DX3 DX4 SDA TMP422 TMP421 TMP422 TMP423 SBOS398B – JULY 2007 – REVISED MARCH 2008 DCN PACKAGE SOT23-8 (TOP VIEW) TMP421 PIN ASSIGNMENTS TMP421 NO. NAME DESCRIPTION 1 DXP Positive connection to remote temperature sensor. 2 DXN Negative connection to remote temperature sensor. 3 A1 Address pin 4 A0 Address pin 5 GND Ground 6 SDA Serial data line for SMBus, open-drain; requires pull-up resistor to V+. 7 SCL Serial clock line for SMBus, open-drain; requires pull-up resistor to V+. 8 V+ Positive supply voltage (2.7V to 5.5V) DCN PACKAGE SOT23-8 (TOP VIEW) TMP422 PIN ASSIGNMENTS TMP422 NO. NAME DESCRIPTION 1 DX1 Channel 1 remote temperature sensor connection pin. Also sets the TMP422 address; see Table 10. 2 DX2 Channel 1 remote temperature sensor connection pin. Also sets the TMP422 address; see Table 10. 3 DX3 Channel 2 remote temperature sensor connection pin. Also sets the TMP422 address; see Table 10. 4 DX4 Channel 2 remote temperature sensor connection pin. Also sets the TMP422 address; see Table 10. 5 GND Ground 6 SDA Serial data line for SMBus, open-drain; requires pull-up resistor to V+. 7 SCL Serial clock line for SMBus, open-drain; requires pull-up resistor to V+. 8 V+ Positive supply voltage (2.7V to 5.5V) 4 Submit Documentation Feedback Copyright © 2007–2008, Texas Instruments Incorporated Product Folder Link(s): TMP421 TMP422 TMP423 |
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