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ADM1021AARQZ-R Datasheet(PDF) 2 Page - ON Semiconductor

Part No. ADM1021AARQZ-R
Description  Low Cost Microprocessor System Temperature Monitor Microcomputer
Download  15 Pages
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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ADM1021AARQZ-R Datasheet(HTML) 2 Page - ON Semiconductor

 
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ADM1021A
http://onsemi.com
2
Figure 1. Functional Block Diagram
STATUS REGISTER
LOCAL TEMPERATURE
HIGH LIMIT COMPARATOR
LOCAL TEMPERATURE
LOW LIMIT REGISTER
ANALOG MUX
BUSY
LOCAL TEMPERATURE
VALUE REGISTER
RUN/STANDBY
LOCAL TEMPERATURE
LOW LIMIT COMPARATOR
REMOTE TEMPERATURE
LOW LIMIT COMPARATOR
ADDRESS POINTER
REGISTER
ONE-SHOT
REGISTER
CONVERSION RATE
REGISTER
LOCAL TEMPERATURE
HIGH LIMIT REGISTER
CONFIGURATION
REGISTER
INTERRUPT
MASKING
EXTERNAL DIODE OPEN−CIRCUIT
SMBUS INTERFACE
ADM1021A
NC
VDD
NC
NC
NC
NC
D+
D-
ALERT
STBY
SDATA
SCLK
ADD0
ADD1
GND
GND
NC = NO CONNECT
A−TO−D
CONVERTER
ON−CHIP
TEMPERATURE
SENSOR
REMOTE TEMPERATURE
VALUE REGISTER
REMOTE TEMPERATURE
HIGH LIMIT COMPARATOR
3
4
1
2
5
7
8
9
13
16
12
14
10
6
15
11
REMOTE TEMPERATURE
LOW LIMIT REGISTER
REMOTE TEMPERATURE
HIGH LIMIT REGISTER
ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Unit
Positive Supply Voltage (VDD) to GND
−0.3 to +6.0
V
D+, ADD0, ADD1
−0.3 to VDD +0.3
V
D− to GND
−0.3 to +0.6
SCLK, SDATA, ALERT, STBY
−0.3 to +6.0
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
Derating Above 70
°C
650
6.7
mW
mW/
°C
Operating Temperature Range
−55 to +125
°C
Maximum Junction Temperature (TJmax)
150
°C
Storage Temperature Range
−65 to +150
°C
Lead Temperature, Soldering (10 sec)
300
°C
IR Reflow Peak Temperature
220
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
NOTE:
This device is ESD sensitive. Use standard ESD precautions when handling.
THERMAL CHARACTERISTICS
Parameter
Rating
16−Lead QSOP Package
qJA = 105°C/W


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