ADM1021ARQZ ON Semiconductor, ADM1021ARQZ Datasheet - Page 2

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ADM1021ARQZ

Manufacturer Part Number
ADM1021ARQZ
Description
IC SENSOR TEMP DUAL3/5.5V 16QSOP
Manufacturer
ON Semiconductor
Datasheet

Specifications of ADM1021ARQZ

Function
Temp Monitoring System (Sensor)
Topology
ADC, Comparator, Multiplexer, Register Bank
Sensor Type
External & Internal
Sensing Temperature
0°C ~ 100°C, External Sensor
Output Type
SMBus™
Output Alarm
Yes
Output Fan
No
Voltage - Supply
3 V ~ 5.5 V
Operating Temperature
0°C ~ 100°C
Mounting Type
Surface Mount
Package / Case
16-QSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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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:
ABSOLUTE MAXIMUM RATINGS
THERMAL CHARACTERISTICS
Positive Supply Voltage (V
D+, ADD0, ADD1
D− to GND
SCLK, SDATA, ALERT, STBY
Input Current
Input Current, D−
ESD Rating, All Pins (Human Body Model)
Continuous Power Dissipation
Operating Temperature Range
Maximum Junction Temperature (T
Storage Temperature Range
Lead Temperature, Soldering (10 sec)
IR Reflow Peak Temperature
16−Lead QSOP Package
D+
D-
3
4
This device is ESD sensitive. Use standard ESD precautions when handling.
TEMPERATURE
NC
ANALOG MUX
1
ON−CHIP
SENSOR
ADM1021A
V
EXTERNAL DIODE OPEN−CIRCUIT
DD
2
NC
5
BUSY
GND
7
DD
CONVERTER
) to GND
A−TO−D
GND
8
Up to 70°C
Derating Above 70°C
RUN/STANDBY
Parameter
J
LOCAL TEMPERATURE
REMOTE TEMPERATURE
max)
NC
9
VALUE REGISTER
VALUE REGISTER
Parameter
NC
13
Figure 1. Functional Block Diagram
NC
16
http://onsemi.com
ADM1021A
LOW LIMIT COMPARATOR
HIGH LIMIT COMPARATOR
2
HIGH LIMIT COMPARATOR
LOW LIMIT COMPARATOR
REMOTE TEMPERATURE
REMOTE TEMPERATURE
LOCAL TEMPERATURE
SDATA
LOCAL TEMPERATURE
STATUS REGISTER
12
SCLK
14
SMBUS INTERFACE
ADD0
10
−0.3 to V
−0.3 to +6.0
−0.3 to +0.6
−0.3 to +6.0
−55 to +125
−65 to +150
Rating
ADD1
2000
±50
650
150
300
220
6.7
±1
6
DD
REMOTE TEMPERATURE
REMOTE TEMPERATURE
LOCAL TEMPERATURE
LOCAL TEMPERATURE
LOW LIMIT REGISTER
HIGH LIMIT REGISTER
LOW LIMIT REGISTER
ADDRESS POINTER
HIGH LIMIT REGISTER
CONVERSION RATE
+0.3
CONFIGURATION
REGISTER
ONE-SHOT
REGISTER
REGISTER
REGISTER
q
JA
NC = NO CONNECT
INTERRUPT
MASKING
Rating
= 105°C/W
mW/°C
Unit
mW
mA
mA
°C
°C
°C
°C
°C
V
V
V
V
15
11
STBY
ALERT

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