Remark : The measure of the Rms voltage is not a Rms selective measure but a full range (2 Hz to 125 kHz) Rms

measure.

It means that we measure the effective Rms signal + the noise.

5.14

High/low cut-off frequencies

For their calculation, please check the figure below:

Figure 88. Frequency response gain vs Cin and Cfeed

10

100

1000

10000

-25

-20

-15

-10

-5

0

5

10

Rin = Rfeed = 22kΩ

Tamb = 25°C

Cfeed = 2.2nF

Cfeed = 680pF

Cfeed = 330pF

Cin = 470nF

Cin = 82nF

Cin = 22nF

Frequency (Hz)

TS4871

Application information

DS2547 - Rev 10

page 33/42