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ADM1021A
Table 2. ABSOLUTE MAXIMUM RATINGS
Parameter
Positive Supply Voltage (V DD ) to GND
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
Up to 70 ? C
Derating Above 70 ? C
Operating Temperature Range
Maximum Junction Temperature (T J MAX )
Storage Temperature Range
Lead Temperature, Soldering (10 sec)
IR Reflow Peak Temperature
Rating
? 0.3 to +6.0
? 0.3 to V DD + 0.3
? 0.3 to +0.6
? 0.3 to +6.0
? 50
? 1
2,000
650
6.7
? 55 to +125
150
? 65 to +150
300
220
Unit
V
V
V
mA
mA
V
mW
mW/ ? C
? C
? C
? C
? C
? 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.
Table 3. THERMAL CHARACTERISTICS
Package Type
16-lead QSOP Package
Table 4. ELECTRICAL CHARACTERISTICS
(T A = T MIN to T MAX , V DD = 3.0 V to 3.6 V, unless otherwise noted) (Note 1)
q JA
105
Unit
? C/W
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
Power Supply and ADC
Temperature Resolution
Temperature Error, Local Sensor
Temperature Error, Remote Sensor
Supply Voltage Range (Note 2)
Undervoltage Lockout Threshold
Undervoltage Lockout Hysteresis
Power-On Reset Threshold
POR Threshold Hysteresis
Standby Supply Current
Average Operating Supply Current
Auto ? convert Mode, Averaged Over 4 Sec
Conversion Time
Remote Sensor Source Current
D ? Source Voltage
Address Pin Bias Current (ADD0, ADD1)
Guaranteed No Missed Codes
T A = 60 ? C to 100 ? C
V DD Input, Disables ADC, Rising Edge
V DD , falling edge (Note 3)
V DD = 3.3 V, No SMBus Activity
SCLK at 10 kHz
0.25 Conversions/Sec Rate
2 Conversions/Sec Rate
From Stop Bit to Conversion Complete
(Both Channels) D+ Forced to D ? + 0.65 V
High Level (Note 3)
Low Level (Note 3)
Momentary at Power-on Reset
1.0
? 3.0
? 3.0
? 5.0
3.0
2.5
?
0.9
?
?
?
?
?
65
120
7.0
?
?
?
? 1.0
?
?
?
2.7
25
1.7
50
1.0
4.0
130
225
115
205
12
0.7
50
?
+3.0
+3.0
+5.0
3.6
2.95
?
2.2
?
5.0
?
200
370
170
300
16
?
?
? C
? C
? C
V
V
mV
V
mV
m A
m A
m A
ms
m A
V
m A
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