AN4451 Datasheet, PDF (7/15 Pages) STMicroelectronics – Signal conditioning for a UV sensor

AN4451
How does the UV sensor work
Figure 6: OA1MPA output response to a small current signal with feedback capacitance,
Cf = 10 pF and Rf = 8.2 MΩ
1.E-07
1.E-07
8.E-08
6.E-08
4.E-08
2.E-08
0.E+00
0
3
2.5
Current form the UV sensor
2
1.5
1
Vout of the OA1MPA
0.5
0
0.01
0.02
0.03
0.04
0.05
0.06
Time (s)
DocID025985 Rev 1
7/15