* MAX4252 MACROMODEL * ------------------------------ * Revision 0, 08/2007 * ------------------------------ * MAX4252 is a low-noise, low-distortion operational amplifiers * offer rail-to-rail outputs and single supply operation. **************** * While using the model, Please observe that the output voltage * gets clamped between "Vdd-(77mV)" & "(47mV)+Vss", So it cannot * be operated with negative inputs unless negative supply rail is * sufficiently negative. * ------------------------------ * Connections * 1 = OUTA * 2 = INA- * 3 = INA+ * 4 = VSS * 5 = INB+ * 6 = INB- * 7 = OUTB * 8 = VDD **************** .subckt MAX4252 1 2 3 4 5 6 7 8 Xamp1 8 4 3 2 1 MAX4252_AMP Xamp2 8 4 5 6 7 MAX4252_AMP .ends MAX4252 **************** **************** .subckt MAX4252_AMP Vdd Vss V+ V- Vout G_GQ VDD VSS VDD VSS 310u V_V10 VDD N25991951 2.7Vdc D_D8 N3393109 VOUT diodemacro_ideal G_Gps N2299847 VSS VDD VSS -79.8 V_V11 VSS N25992171 0.2Vdc D_D13 N2296701 N25834461 diodemacro_nonideal V_V13 N37030070 VSS 47mVdc R_Rps1 N2299941 N2299847 0.05 D_D2 N2785397 N2296677 diodemacro_ideal D_D20 N3359004 N37030351 diodemacro_ideal G_G1 N2296677 VSS N2299829 VSS -0.1885 D_D16 N25992171 V- diodemacro_nonideal R_Rps2 VSS N2299941 10k D_D14 N25834681 N2296701 diodemacro_nonideal V_V5 VDD N37030351 77mVdc D_D1 N2296677 N2785223 diodemacro_ideal V_Voc V+ N2296701 0.12mVdc G_G2a N2296677 VSS N2296701 VSS -0.168u C_C2 VSS N2299829 1.52p I_I7 VSS VDD DC 1130uAdc L_Lps N2299941 VSS 0.795775mH D_D22 N37030070 N3359004 diodemacro_ideal I_I1 N2296701 VSS DC 1.5pAdc G_G2b N2296677 VSS V- VSS -0.168u I_I9 N3393105 N3393109 DC 68mAdc R_R4 VSS N2296677 2.11192Meg G_G3 N3359004 VSS N2296693 VSS -0.1 I_I2 V- VSS DC 0.5pAdc D_D4 N2785397 N2296693 diodemacro_ideal V_V8 VDD N25834461 2.7Vdc R_R5 VSS N3359004 10 R_R2 V- N2296701 1000G G_G4 N2299829 VSS N2296701 V- -0.1m C_C1 VSS N2296693 10n V_V9 VSS N25834681 0.2Vdc I_I8 N2785223 N2785397 DC 3mAdc D_D5 N3359004 N3393105 diodemacro_ideal D_D6 N3393109 N3359004 diodemacro_ideal G_GpsA N2296677 VSS N2299847 VSS -0.4735u D_D3 N2296693 N2785223 diodemacro_ideal D_D15 V- N25991951 diodemacro_nonideal D_D7 VOUT N3393105 diodemacro_ideal R_R9 VSS N2299829 10k ****************** .model diodemacro_ideal d(n=0.001) .model diodemacro_nonideal d(IS=1F RS=5 N=1.77 CJO=0.1p BV=6 IBV=1) .ends MAX4252_AMP ****************