Philips Semiconductors
Silicon temperature sensors
Product specification
KTY81-1 series
handbook,1h5alfpage
∆T
(K)
10
5
0
−5
KTY81-151
-152
KTY81-120
MGG696
KTY81-110
-121
-122
−10
−15
−50
0
50
100
150
Tamb (°C)
Fig.2 Maximum expected temperature error (∆T).
2.4
handbook, halfpage
R
(kΩ)
1.6
MSA923
0.8
0
−100 −50
0
50 100 150 200
Tamb (°C)
Icont = 1 mA.
Fig.3 Sensor resistance as a function of ambient
temperature; average values.
3
handbook, halfpage
R
(kΩ)
2
1
0
10−1
MGG699
150 °C
125 °C
100 °C
75 °C
50 °C
25 °C
0 °C
−25 °C
−50 °C
1
Icont (mA)
10
To keep the temperature error low, an operating current of
Icont = 1 mA is recommended for temperatures above 100 °C.
Fig.4 Sensor resistance as a function of operating
current.
handbook,1h2alfpage
Icont
(mA)
8
MGG705
4
0
−50
0
50
100
150
Tamb (°C)
Fig.5 Maximum operating current for safe
operation.
1998 Mar 26
8