% Author: Stephan Kregel, DG1HXJ
% Year: 2022
\begin{circuitikz}
    \tikzset{
        tdax/.style={muxdemux,muxdemux def={NL=2, Lh=6, w=6, NR=1, Rh=0, NB=2, NT=3}, scale=0.45},
    }
    \draw (0,0) node[tdax](A){};
    \draw (A.center) node[](){$\mathrm{IC}_1~~~$};
    \draw (A.lpin 1) -- ++(-1.0,0) coordinate(C1) to [R, l_=$R_1$] ++(-2,0) to node[ocirc](NFIN){} ++(0,0);
    \draw (NFIN) node[anchor=east]{$\mathrm{NF}_\mathrm{IN}$};
    \draw (A.lpin 2) -| ++(-0.25,-1) coordinate(term);
    \draw (A.bpin 1) |- (term) to[short,-*] ++(0,0);
    \draw (C1) to [C, l_=$C_1$, *-] ++(0,-1.5) |- (term) -- ++(0,-0.5) node[rground]{};
    \draw (A.bpin 2) to [short] ++(0,-0.3) ;
    \draw (A.tpin 1) to [short] ++(0,2.875) -- ++(-2.5,0) coordinate(C3) -- ++(-1.0,0) to node[ocirc](Vs){} ++(0,0);
    \draw (Vs) node[anchor=east]{$\mathrm{V}_\mathrm{s}$};
    \draw (C3) to [C, l=$C_2$, *-] ++(0,-1.5) node[rground]{};   
    \draw (A.rpin 1) to [short] ++(0.5,0) to node[ocirc](nfout){} ++(0,0);
    \draw (A.tpin 2) to [short] ++(0,0.3) ;
    \draw (A.tpin 3) to [short] ++(0,0.3) ;
    \draw (A.lpin 1) node[anchor=south east]{2} ++(0,0);
    \draw (A.lpin 2) node[anchor=south east]{3} ++(0,0);
    \draw (A.bpin 1) node[anchor=north west]{4} ++(0,0);
    \draw (A.bpin 2) node[anchor=north east]{7} ++(0,0);
    \draw (A.rpin 1) node[anchor=north     ]{5} ++(0,0);
    \draw (A.tpin 1) node[anchor=south west]{6} ++(0,0);
    \draw (A.tpin 2) node[anchor=south west]{1} ++(0,0);
    \draw (A.tpin 3) node[anchor=south west]{8} ++(0,0);
    \draw (nfout) node[anchor=west]{$\mathrm{NF}_\mathrm{OUT}$};
    \draw (1,3) node[]{$\mathrm{Audioverstärker}$} ++(0,0);
\end{circuitikz}