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ADM1021A Datasheet(PDF) 3 Page - Analog Devices

Part No. ADM1021A
Description  Low-Cost Microprocessor System Temperature Monitor
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADM1021A Datasheet(HTML) 3 Page - Analog Devices

 
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ADM1021A
–3–
REV. D
PIN FUNCTION DESCRIPTIONS
Pin No.
Mnemonic Description
1, 5, 9, 13, 16 NC
No Connect
2VDD
Positive Supply, 3 V to 5.5 V
3D+
Positive Connection to Remote
Temperature Sensor
4D–
Negative Connection to Remote
Temperature Sensor
6ADD1
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
Operation (High) or Standby Mode
(Low)
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:
θJA = 150°C/W.
PIN CONFIGURATION
TOP VIEW
(Not to Scale)
NC = NO CONNECT
NC
VDD
D+
D–
NC
ADD1
GND
GND
NC
STBY
SCLK
NC
SDATA
ALERT
ADD0
NC
ADM1021A
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
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
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although the
ADM1021A features proprietary ESD protection circuitry, permanent damage may occur on devices
subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended
to avoid performance degradation or loss of functionality.
ORDERING GUIDE
Model
Temperature Package
Package
Range
Description
Option
ADM1021AARQ
0
°C to 100°C 16-Lead QSOP RQ-16
ADM1021AARQ-REEL
0
°C to 100°C 16-Lead QSOP RQ-16
ADM1021AARQ-REEL7
0
°C to 100°C 16-Lead QSOP RQ-16
ADM1021AARQZ
*
0
°C to 100°C 16-Lead QSOP RQ-16
ADM1021AARQZ-REEL
*
0
°C to 100°C 16-Lead QSOP RQ-16
ADM1021AARQZ-REEL7
* 0
°C to 100°C 16-Lead QSOP RQ-16
EVAL-ADM1021AEB
Evaluation Board
* Z = Pb-Lead free


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