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LM75B
All information provided in this document is subject to legal disclaimers.
?NXP B.V. 2014. All rights reserved.
Product data sheet
Rev. 5  22 January 2014
20 of 37
NXP Semiconductors
LM75B
Digital temperature sensor and thermal watchdog
11. Static characteristics
 
[1]   Typical values are at V
CC
= 3.3 V and T
amb
= 25 癈.
Table 18.   Static characteristics
V
CC
= 2.8 V to 5.5 V; T
amb
= -55 ?/SPAN>C to +125 ?/SPAN>C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
[1]
Max
Unit
T
acc
temperature accuracy
T
amb
 = -25 癈 to +100 癈
-2
-
+2
癈
T
amb
 = -55 癈 to +125 癈
-3
-
+3
癈
T
res
temperature resolution
11-bit digital temp data
-
0.125
-
癈
t
conv(T)
temperature conversion
time
normal mode
-
10
-
ms
T
conv
conversion period
normal mode
-
100
-
ms
I
DD(AV)
average supply current
normal mode: I
2
C-bus inactive
-
100
200
mA
normal mode: I
2
C-bus active;
f
SCL
= 400 kHz
-
-
300
mA
shutdown mode
-
0.2
1.0
mA
V
IH
HIGH-level input voltage    digital pins (SCL, SDA, A2 to A0)
0.7 ?V
CC
-
V
CC
+ 0.3    V
V
IL
LOW-level input voltage
digital pins
-0.3
-
0.3 ?V
CC
V
V
I(hys)
hysteresis of input voltage  SCL and SDA pins
-
300
-
mV
A2, A1, A0 pins
-
150
-
mV
I
IH
HIGH-level input current
digital pins; V
I
= V
CC
-1.0
-
+1.0
mA
I
IL
LOW-level input current
digital pins; V
I
 = 0 V
-1.0
-
+1.0
mA
V
OL
LOW-level output voltage   SDA and OS pins; I
OL
= 3 mA
-
-
0.4
V
I
OL
= 4 mA
-
-
0.8
V
I
LO
output leakage current
SDA and OS pins; V
OH
= V
CC
-
-
10
mA
N
fault
number of faults
programmable; conversions in
overtemperature-shutdown fault
queue
1
-
6
T
th(ots)
overtemperature
shutdown threshold
temperature
default value
-
80
-
癈
T
hys
hysteresis temperature
default value
-
75
-
癈
C
i
input capacitance
digital pins
-
20
-
pF
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