ADM1032ARM データシートの表示（PDF） - Analog Devices

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ADM1032ARM

±1°C Remote and Local System Temperature Monitor

Analog Devices 

ABSOLUTE MAXIMUM RATINGS*

Positive Supply Voltage (VDD) to GND . . . . . . –0.3 V, +5.5 V

D+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V

D– to GND . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +0.6 V

SCLK, SDATA, ALERT . . . . . . . . . . . . . . . . –0.3 V to +5.5 V

THERM . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V

Input Current, SDATA, THERM . . . . . . . . . . . –1, +50 mA

Input Current, D– . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 1 mA

ESD Rating, All Pins (Human Body Model) . . . . . . >1000 V

Maximum Junction Temperature (TJ max) . . . . . . . . . 150°C

Storage Temperature Range . . . . . . . . . . . . –65°C to +150°C

IR Reflow Peak Temp . . . . . . . . . . . . . . . . . . . . . . . . . 220°C

Lead Temp (Soldering 10 sec) . . . . . . . . . . . . . . . . . . . 300°C

*Stresses above those listed under Absolute Maximum Ratings may cause

permanent damage to the device. This is a stress rating only; functional operation

of the device at these or any other conditions above those indicated in the

operational section of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect device reliability.

ADM1032

THERMAL CHARACTERISTICS

8-Lead SO Package

θJA = 121°C/W

8-Lead Micro_SO Package

θJA = 142°C/W

PIN CONFIGURATION

VDD 1

8 SCLK

D+ 2 ADM1032 7 SDATA

D– 3 TOP VIEW 6 ALERT

(Not to Scale)

THERM 4

5 GND

Model

ADM1032AR

ADM1032ARM

Temperature

Range

0°C to 120°C

0°C to 120°C

ORDERING GUIDE

Package

Description

8-Lead SO Package

8-Lead Micro_SO Package

Package

Option

SO-8

RM-8

Branding

Information

1032AR

T2A

SMBus

Addr

4C

4C

SCLK

tLOW tR

tF

tHD;STA

tHD;DAT

tHIGH

tSU;DAT

tHD;STA

tSU;STA

SDATA

tBUF

P

S

S

Figure 1. Diagram for Serial Bus Timing

tSU;STO

P

Pin

No. Mnemonic

1

VDD

2 D+

3 D–

4 THERM

5 GND

6 ALERT

7 SDATA

8 SCLK

PIN FUNCTION DESCRIPTIONS

Description

Positive Supply, 3 V to 5.5 V.

Positive Connection to Remote Temperature Sensor.

Negative Connection to Remote Temperature Sensor.

Open-drain output that can be used to turn a fan on/off or throttle a CPU clock in the event of an over-

temperature condition. Requires pull-up to VDD.

Supply Ground Connection

Open-Drain Logic Output Used as Interrupt or SMBus Alert.

Logic Input/Output, SMBus Serial Data. Open-Drain Output. Requires pull-up resistor.

Logic Input, SMBus Serial Clock. Requires pull-up resistor.

REV. 0

–3–

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