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ADT7483A Datasheet(PDF) 6 Page - Analog Devices

Part No. ADT7483A
Description  Dual Channel Temperature Sensor and Over Temperature Alarm
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADT7483A Datasheet(HTML) 6 Page - Analog Devices

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ADT7483A
Rev. 0 | Page 6 of 24
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
VDD
D1+
D1–
GND
ALERT/THERM2
THERM
1
2
3
4
5
6
7
8
NC = NO CONNECT
16
15
14
13
12
11
10
9
NC
ADD1
SCLK
SDATA
NC
NC
NC
D2–
D2+
ADD0
TOP VIEW
(Not to Scale)
ADT7483A
Figure 3.16-Lead QSOP Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
ADD1
Address 1 Pin. Tri-state input to set the SMBus address.
2
VDD
Positive Supply, 3 V to 3.6 V.
3
D1+
Positive Connection. Connects to the first remote temperature sensor.
4
D1−
Negative Connection. Connects to the first remote temperature sensor.
5
THERM
Open-Drain Output. Turns a fan on/off, or throttles a CPU clock in the event of an overtemperature
condition.
6
GND
Supply Ground Connection.
7
NC
No Connect.
8
NC
No Connect.
9
NC
No Connect.
10
NC
No Connect.
11
D2−
Negative Connection. Connects to the second remote temperature sensor.
12
D2+
Positive Connection. Connects to the second remote temperature sensor.
13
ALERT/THERM2
Open-Drain Logic Output. Used as interrupt or SMBus alert. This may also be configured as a second THERM
output. Requires a pull-up resistor.
14
SDATA
Logic Input/Output, SMBus Serial Data. Open-drain output. Requires a pull-up resistor.
15
SCLK
Logic Input, SMBus Serial Clock. Requires a pull-up resistor.
16
ADD0
Address 0 Pin. Tri-state input to set the SMBus address.


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