LM83 datasheet(4/22 Pages) TI

4 / 22 page

Pin Description (Continued)

Label

Pin #

Function

Typical Connection

D−

Diode Return Current

Sink

To all Diode Junction Cathodes using a star

connection to pin. Must float when not used.

ADD0–ADD1

10, 6

User-Set SMBus (I

2C)

Address Inputs

Ground (Low, “0”), V

CC (High, “1”) or open

(“TRI-LEVEL”)

GND

7, 8

Power Supply Ground

Ground

9, 13, 15

Manufacturing test pins.

Left floating. PC board traces may be routed

through the pads for these pins, although the

components that drive these traces should share

the same supply as the LM83 so that the Absolute

Maximum Rating, Voltage at Any Pin, is not

violated.

INT

Interrupt Output,

open-drain

Pull Up Resistor, Controller Interrupt or Alert Line

SMBData

SMBus (I

2C) Serial

Bi-Directional Data Line,

open-drain output

From and to Controller, Pull-Up Resistor

SMBCLK

SMBus (I

2C) Clock Input

From Controller, Pull-Up Resistor

T_CRIT_A

Critical Temperature

Alarm, open-drain output

Pull Up Resistor, Controller Interrupt Line or

System Shutdown

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