5 / 11 page
Bay Linear, Inc 2418 Armstrong Street, Livermore, CA 94506
Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com
B431
Calculating Average Temperature Coefficient (TC)
Test Circuit
TC in mV/°C =
∆V
REF (mV)
∆T
A
TC in %/°C =
V
REF at 25°C
∆T
A
∆V
REF
) x 100
TC in ppm/°C =
V
REF at 25°C
∆T
A
∆V
REF
) x 106
5000
∆Τ
-55
0.06 mV/°C
∆V
REF
0
0
0
-20
-10
0.5
Temperature (°C)
0.002 %/°C
24 ppm/°C
-25
0
25
50
75 100 125
I
K
I
REF
V
IN
V
KA = VREF
V
IN
V
KA
I
K
R
1
R
2
(V
REF)
Figure 1b. Test Circuit 2
Figure 1a. Test Circuit 1
V
IN
V
KA
I
K (OFF)
Figure 1c. Test Circuit 3
Polish ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
