Notes On Noise Prevention - Renesas RX100 Series User Manual

Hide thumbs Also See for RX100 Series:

Table of Contents

Notes on Noise Prevention

To prevent the analog input pins (AN000 to AN007) from being destroyed by abnormal voltage such as excessive surge,

a capacitor should be inserted between AVCC0 and AVSS0, and a protection circuit should be connected to protect the

above analog input pins as shown Figure 26.35 .

Note 1. The values shown here are reference values.

Note 2. Rin: Signal source impedance

Figure 26.35

Sample Protection Circuit for Analog Inputs

R01UH0822EJ0100 Rev.1.00

Jul 31, 2019

26. 12-Bit A/D Converter (S12ADF)

AN000 to AN007

Page 882 of 1041