SE95_7
?NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 07 2 September 2009
16 of 27
NXP Semiconductors
SE95
Ultra high accuracy digital temperature sensor and thermal watchdog
11. Static characteristics
[1] Typical values are at V
CC
= 3.3 V and T
amb
= 25 癈.
[2] Assumes a minimum 11-bit temperature reading.
[3] The digital pins are pin SCL, SDA and A2 to A0.
[4] Device analog-to-digital conversion.
Table 17. Static characteristics
V
CC
= 2.8 V to 5.5 V, T
amb
= 55 癈 to +125 癈; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
[1]
Max
Unit
T
acc
temperature accuracy
V
CC
= 2.8 V to 3.6 V
[2]
T
amb
= 25 癈 to +100 癈
1.0
-
+1.0
癈
T
amb
= 55 癈 to +125 癈
2.0
-
+2.0
癈
V
CC
= 3.6 V to 5.5 V
[2]
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 temperature data
-
0.125
-
癈
t
conv(T)
temperature conversion time normal mode
-
33
-
ms
I
CC
supply current
normal mode: I
2
C-bus inactive
-
150
-
礎
normal mode: I
2
C-bus active
-
-
1.0
mA
shutdown mode
-
7.5
-
礎
V
IH
HIGH-level input voltage
digital pins
[3]
0.7V
CC
-
V
CC
+ 0.3
V
V
IL
LOW-level input voltage
digital pins
[3]
0.3
-
+0.3V
CC
V
V
I(hys)
hysteresis of input voltage
pins SCL and SDA
-
300
-
mV
pins A2 to A0
-
300
-
mV
I
IH
HIGH-level input current
digital pins; V
IN
= V
CC
[3]
1.0
-
+1.0
礎
I
IL
LOW-level input current
digital pins; V
IN
= 0 V
[3]
1.0
-
+1.0
礎
V
OL
LOW-level output voltage
pins SDA and OS; I
OL
= 3 mA
-
-
0.4
V
I
OL
= 4 mA
-
-
0.8
V
I
LO
output leakage current
pins SDA and OS; V
OH
= V
CC
-
-
10
礎
V
POR
power-on reset voltage
V
CC
supply below which the
logic is reset
1.0
-
2.5
V
OSQ
OS fault queue
programmable
[4]
1
-
6
T
os
overtemperature shutdown
threshold
default value
-
80
-
癈
f
sam
sampling rate
programmable
0.125
10
30
sample/s
T
hyst
hysteresis temperature
default value
-
75
-
癈
C
i
input capacitance
digital pins
-
20
-
pF
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