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TMP423 PIN CONFIGURATION

1

2

3

4

8

7

6

5

V+

SCL

GND

DXP1

DXP2

DXP3

DXN

SDA

TMP423

TMP421

TMP422

TMP423

SBOS398B – JULY 2007 – REVISED MARCH 2008

DCN PACKAGE

SOT23-8

(TOP VIEW)

TMP423 PIN ASSIGNMENTS

TMP423

NO.

NAME

DESCRIPTION

1

DXP1

Channel 1 positive connection to remote temperature sensor.

2

DXP2

Channel 2 positive connection to remote temperature sensor.

3

DXP3

Channel 3 positive connection to remote temperature sensor.

4

DXN

Common negative connection to remote temperature sensors, Channel 1, Channel 2, Channel 3.

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)

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Product Folder Link(s): TMP421 TMP422 TMP423