ADT7481ARMZ-1REEL7 데이터 시트보기 (PDF) - Analog Devices

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ADT7481ARMZ-1REEL7

Dual Channel Temperature Sensor and Over Temperature Alarm

Analog Devices 

ADT7481

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

VDD 1

10 SCLK

D1+ 2 ADT7481 9 SDATA

D1– 3 TOP VIEW 8 ALERT/THERM2

THERM 4 (Not to Scale) 7 D2+

GND 5

6 D2–

Figure 3. Pin Configuration

Table 4. Pin Function Descriptions

Pin No. Mnemonic

Description

1

VDD

2

D1+

3

D1−

4

THERM

5

GND

6

D2−

7

D2+

Positive Supply, 3 V to 3.6 V.

Positive Connection to the Remote 1 Temperature Sensor.

Negative Connection to the Remote 1 Temperature Sensor.

Open-Drain Output. Requires pull-up resistor. Signals overtemperature events, could be used to turn a fan

on/off, or throttle a CPU clock.

Supply Ground Connection.

Negative Connection to the Remote 2 Temperature Sensor.

Positive Connection to the Remote 2 Temperature Sensor.

8

ALERT/THERM2 Open-Drain Logic Output. Used as interrupt or SMBALERT. This may also be configured as a second THERM

output. Requires pull-up resistor.

9

SDATA

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

10

SCLK

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

Rev. 0 | Page 6 of 24

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