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ADM1023 Datasheet(PDF) 3 Page - Analog Devices

Part No. ADM1023
Description  ACPI-Compliant High-Accuracy Microprocessor System Temperature Monitor
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADM1023 Datasheet(HTML) 3 Page - Analog Devices

 
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ADM1023
–3–
REV. A
ABSOLUTE MAXIMUM RATINGS
*
Positive Supply Voltage (VDD) to GND . . . . . . –0.3 V to +6 V
D+, ADD0, ADD1 . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V
D– to GND . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +0.6 V
SCLK, SDATA,
ALERT, STBY . . . . . . . . . . . –0.3 V to +6 V
Input Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±50 mA
Input Current, D– . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±1 mA
ESD Rating, all pins (Human Body Model) . . . . . . . . 2000 V
Continuous Power Dissipation
Up to 70
°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650 mW
Derating Above 70
°C . . . . . . . . . . . . . . . . . . . . . 6.7 mW/°C
Operating Temperature Range . . . . . . . . . . –55
°C to +125°C
Maximum Junction Temperature (TJ max) . . . . . . . . . . 150
°C
Storage Temperature Range . . . . . . . . . . . . –65
°C to +150°C
Lead Temperature (Soldering 10 sec) . . . . . . . . . . . . . . 300
°C
IR Reflow Peak Temperature . . . . . . . . . . . . . . . . . . . . . 220
°C
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent 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.
THERMAL CHARACTERISTICS
16-Lead QSOP Package
θ
JA = 105
°C/W
θJC = 39°C/W
ORDERING GUIDE
Temperature
Package
Package
Model
Range
Description
Option
ADM1023ARQ
0
°C to 120°C
16-Lead QSOP
RQ-16
PIN FUNCTION DESCRIPTIONS
Pin No.
Mnemonic
Description
1, 5, 9,
NC
No Connect.
13, 16
2VDD
Positive supply, 3 V to 5.5 V.
3
D+
Positive connection to remote tem-
perature sensor.
4
D–
Negative connection to remote tem-
perature sensor.
6
ADD1
Three-state logic input, higher bit of
device address.
7, 8
GND
Supply 0 V connection.
10
ADD0
Three-state logic input, lower bit of
device address.
11
ALERT
Open-drain logic output used as
interrupt or SMBus alert.
12
SDATA
Logic input/output, SMBus serial
data. Open-drain output.
14
SCLK
Logic input, SMBus serial clock.
15
STBY
Logic input selecting normal opera-
tion (high) or standby mode (low).
PIN CONFIGURATION
TOP VIEW
(Not to Scale)
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
GND
VDD
NC
ALERT
D+
D–
ADM1023
NC
GND
ADD1
NC
NC
ADD0
SDATA
NC
SCLK
STBY
NC = NO CONNECT
P
S
P
tHD;STA
tSU;STA
tSU;DAT
tHIGH
tF
tHD;DAT
tR
tLOW
tHD;STA
tBUF
S
SCL
SDA
tSU;STO
Figure 1. Diagram for Serial Bus Timing


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