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2癈 Accurate Remote/Local Temperature
Sensor with SMBus Serial Interface
2  _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
CC
= +3V to +5.5V, T
A
= -55癈 to +125癈, unless otherwise noted. Typical values are at V
CC
= +3.3V and T
A
= +25癈.)
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.
(All voltages are referenced to GND unless otherwise noted.)
V
CC
..........................................................................-0.3V to +6V
DXP, ADD_.................................................-0.3V to (V
CC
+ 0.3V)
DXN ......................................................................-0.3V to +0.8V
SMBCLK, SMBDATA, ALERT, STBY.. ......................-0.3V to +6V
SMBDATA, ALERT Current .................................-1mA to +50mA
DXN Current ......................................................................?mA
ESD Protection (all pins, Human Body Model). .................2000V
Continuous Power Dissipation (T
A
= +70癈)
16-Pin QSOP (derate 8.30mW/癈 above +70癈).........667mW
Operating Temperature Range ........................-55癈 to +125癈
Junction Temperature......................................................+150癈
Storage Temperature Range ............................-65癈 to +165癈
Lead Temperature (soldering, 10s).................................+300癈
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TEMPERATURE-TO-DIGITAL CONVERTER
+60癈 d T
A
 
d +100癈, V
CC
 = +3.3V
-2.5
+2.5
0癈 d T
A  
d +100癈, V
CC
 = +3.3V
-3.5
+3.5
Accuracy (Local Sensor)
-55癈 d T
A
 
d +120癈, V
CC
 = +3.3V
-5.0
+5.0
癈
+ 70?C d T
R J  
d + 100?C , V
C C
 = + 3.3V ( N ote 1)
-2
+2
0癈 d T
RJ  
d +100癈, V
CC
 = +3.3V (Note 1)
-3.5
+3.5
Accuracy (Remote Sensor)
- 55癈
 d T
RJ
 
d +120癈 , V
C C
 =
 + 3.3V
 ( Notes 1, 2)
-5
+5
癈
Line Regulation
0.2
0.5
癈
+1
癈
Resolution (Legacy Mode)
Conversion rate >1Hz
+8
Bits
+0.125
癈
Resolution (Extended Mode)
Conversion rate d1Hz
+11
Bits
Undervoltage Lockout
Threshold
UVLO
V
CC
 input, disables A/D conversion,
rising edge
+2.60    +2.80
+2.95
V
Undervoltage Lockout
Hysteresis
+90
mV
Supply Voltage Range
V
CC
+3.0
+5.5
V
P ow
er
- O n Reset ( P O R) Thr eshol d
V
CC
, falling edge
+1.5
+2.0
+2.5
V
POR Threshold Hysteresis
+90
mV
Standby Current
SMBus static
+3
+10
礎
Operating Current
During conversion
+0.55
+1
mA
0.25 conversion/s (Note 3)
+40
+70
Average Operating Current
2 conversion/s (Note 3)
+150
+250
礎
Conversion Time
t
CONV
From stop bit to conversion completed, in
legacy mode (Note 3)
+95
+125
+156
ms
Conversion Timing Error
?5
%
High level
+80
+100
+120
Remote-Diode Current
I
RJ
Low level
+8
+10
+12
礎
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