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7-Channel Precision Temperature Monitor
2  _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
V
CC
, SCK, SDA, ALERT, OVERT, STBY to GND .....-0.3V to +6V
DXP_ to GND..............................................-0.3V to (V
CC
+ 0.3V)
DXN_ to GND ........................................................-0.3V to +0.8V
SDA, ALERT, OVERT Current .............................-1mA to +50mA
DXN Current .......................................................................?mA
Continuous Power Dissipation (T
A
= +70癈)
20-Pin QSOP
(derate 9.1mW/癈 above +70癈)..................................727.3mW
20-Pin TSSOP
(derate 11.0mW/癈 above +70癈)..............................879.1mW
ESD Protection (all pins, Human Body Model)................?000V
Operating Temperature Range .........................-40癈 to +125癈
Junction Temperature......................................................+150癈
Storage Temperature Range.............................-60癈 to +150癈
Lead Temperature (soldering, 10s).................................+300癈
ELECTRICAL CHARACTERISTICS
(V
CC
= +3.0V to +5.5V, V
STBY
= V
CC
, T
A
= -40癈 to +125癈, unless otherwise noted. Typical values are at V
CC
= +3.3V and T
A
=
+25癈.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage
V
CC
3.0
5.5
V
Software Standby Supply Current
I
SS
SMBus static
30
礎
Operating Current
I
CC
During conversion
500
1000
礎
Channel 1 only
11
Temperature Resolution
Other diode channels
8
Bits
T
A
= T
RJ
= +60癈 to +100癈
-1.0
+1.0
T
A
= T
RJ
= 0癈 to +125癈
-3.0
+3.0
Remote Temperature Accuracy
V
CC
 = 3.3V
DXN_ grounded,
T
RJ
= T
A
= 0癈 to +85癈
?.5
o
C
T
A
= +60癈 to +100癈
-3.3
+0.7
Local Temperature Accuracy
V
CC
 = 3.3V
T
A
= 0癈 to +125癈
-5.0
+1.0
o
C
Supply Sensitivity of Temperature
Accuracy
?.2
o
C/V
Resistance cancellation off
95
125
156
Remote Channel 1 Conversion
Time
t
CONV1
Resistance cancellation on
190
250
312
ms
Remote Channels 2 Through 6
Conversion Time
t
CONV_
95
125
156
ms
High level
80
100
120
Remote-Diode Source Current
I
RJ
Low level
8
10
12
礎
Undervoltage-Lockout Threshold
UVLO
Falling edge of V
CC
disables ADC
2.30
2.80
2.95
V
Undervoltage-Lockout Hysteresis
90
mV
Power-On Reset (POR) Threshold
V
CC
 falling edge
1.2
2.0
2.5
V
POR Threshold Hysteresis
90
mV
ALERT, OVERT
I
SINK
 = 1mA
0.3
Output Low Voltage
V
OL
I
SINK
 = 6mA
0.5
V
Output Leakage Current
1
礎
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