AN4451

How does the UV sensor work

DocID025985 Rev 1

7/15

Figure 6: OA1MPA output response to a small current signal with feedback capacitance,

Cf = 10 pF and Rf = 8.2 MΩ

0

0.5

1

1.5

2

2.5

3

0.E+00

2.E-08

4.E-08

6.E-08

8.E-08

1.E-07

1.E-07

0

0.01

0.02

0.03

0.04

0.05

0.06

Time (s)

Current form the UV sensor

Vout of the OA1MPA