* MAX4124 MACROMODEL * ------------------------------ * Revision 0, 1/2008 * ------------------------------ * MAX4124 is an OpAmp of wide bandwidth & excellent DC accuracy with Rail-to-Rail operation at the inputs & outputs. * ------------------------------ * Connections * 1 = OUT * 2 = Vee * 3 = IN+ * 4 = IN- * 5 = Vcc **************** .subckt MAX4124 1 2 3 4 5 E_MAX4124_Eic1 MAX4124_N9664918 2 MAX4124_N9522162 MAX4124_N96648261 + -1E5 E_MAX4124_EL MAX4124_N9699674 2 VDD MAX4124_N96884491 -1E5 G_MAX4124_Gps1 MAX4124_N9515590 2 MAX4124_N9522152 2 -10E-6 I_MAX4124_Ish MAX4124_N9522606 MAX4124_N9522562 DC 50mAdc G_MAX4124_Gpm MAX4124_N9680023 2 MAX4124_VGBW 2 -1 R_MAX4124_Rps2 2 MAX4124_N9519094 1E6 V_MAX4124_Vs2 MAX4124_N9519738 2 19.725mVdc E_MAX4124_E3 MAX4124_N9618393 2 MAX4124_N9522162 2 1 L_MAX4124_Lps MAX4124_N9519094 2 15.915mH V_MAX4124_VH MAX4124_N96651100 2 6.5Vdc C_MAX4124_Cdd 2 MAX4124_N9729257 1n I_MAX4124_Isr MAX4124_N9520048 MAX4124_N9519936 DC 67.2mAdc G_MAX4124_G1 MAX4124_VM 2 3 MAX4124_N9518924 -1 X_MAX4124_F1 MAX4124_N9518974 1 2 5 MAX4124_MAX4124_F1 C_MAX4124_Cps VDD MAX4124_N9522152 16m E_MAX4124_E5 MAX4124_N9746086 2 5 2 1 I_MAX4124_Ib+ 3 2 DC 50.5nAdc D_MAX4124_D9 MAX4124_N9729257 MAX4124_N9746086 diodemacro_ideal G_MAX4124_Gps2 MAX4124_VM 2 MAX4124_N9515590 2 -1 R_MAX4124_Rps 2 MAX4124_N9522152 1k I_MAX4124_Ib- 4 2 DC 49.5nAdc R_MAX4124_RG 2 MAX4124_VM 205495.98 X_MAX4124_M3 MAX4124_VRO MAX4124_N9664934 2 2 nmosmacro_str X_MAX4124_Hs2 MAX4124_N9519628 MAX4124_VRO MAX4124_N9515472 MAX4124_N9519738 + MAX4124_MAX4124_Hs2 R_MAX4124_Ri- 4 MAX4124_N9522162 250k C_MAX4124_Cgbw 2 MAX4124_VGBW 6.366n I_MAX4124_Iq 5 2 DC 561.96uAdc V_MAX4124_VL MAX4124_N96884491 2 2.7Vdc E_MAX4124_E4 VDD 2 MAX4124_N9729257 2 1 D_MAX4124_D1 MAX4124_VM MAX4124_N9520048 diodemacro_ideal R_MAX4124_Rps1 MAX4124_N9519094 MAX4124_N9515590 1 X_MAX4124_M5 MAX4124_VRO MAX4124_N9700074 2 2 nmosmacro E_MAX4124_Eic2 MAX4124_N9664934 2 MAX4124_N9522162 MAX4124_N96649501 + 1E5 D_MAX4124_D2 MAX4124_N9519936 MAX4124_VM diodemacro_ideal C_MAX4124_Ccm MAX4124_N9618393 MAX4124_N9518962 16m D_MAX4124_Ds1 MAX4124_VRO MAX4124_N9515536 diodemacro_ideal G_MAX4124_GQ 5 2 VDD 2 32.61u E_MAX4124_EH MAX4124_N9700074 2 VDD MAX4124_N96651100 1E5 D_MAX4124_D5 MAX4124_VSH MAX4124_N9522606 diodemacro_ideal V_MAX4124_Vic2 MAX4124_N96649501 VDD 0.25Vdc X_MAX4124_M6 MAX4124_VRO MAX4124_N9664918 2 2 nmosmacro_str D_MAX4124_D3 MAX4124_VGBW MAX4124_N9520048 diodemacro_ideal D_MAX4124_Ds2 MAX4124_N9515472 MAX4124_VRO diodemacro_ideal V_MAX4124_Voff MAX4124_N9518924 4 -0.35mVdc D_MAX4124_D6 MAX4124_N9522562 MAX4124_VSH diodemacro_ideal R_MAX4124_Rcm 2 MAX4124_N9518962 1Meg R_MAX4124_Ri+ MAX4124_N9522162 3 250k D_MAX4124_D4 MAX4124_N9519936 MAX4124_VGBW diodemacro_ideal V_MAX4124_Vs1 MAX4124_N95194360 MAX4124_N9515536 11.371mVdc R_MAX4124_Rc3 2 MAX4124_N9680023 1 G_MAX4124_Go MAX4124_VRO 2 MAX4124_N9680023 2 -334.2827E-6 G_MAX4124_G2 MAX4124_N9729257 2 5 2 -1E-3 X_MAX4124_M4 MAX4124_VRO MAX4124_N9699674 2 2 nmosmacro R_MAX4124_Ro 2 MAX4124_VRO 2991.48 V_MAX4124_Vic3 MAX4124_N96648261 2 -0.25Vdc D_MAX4124_D7 MAX4124_N9518974 MAX4124_N9522606 diodemacro_ideal X_MAX4124_Hs1 MAX4124_N9519628 MAX4124_VSH VDD MAX4124_N95194360 + MAX4124_MAX4124_Hs1 C_MAX4124_C2 2 MAX4124_N9680023 36.755n D_MAX4124_D8 MAX4124_N9522562 MAX4124_N9518974 diodemacro_ideal G_MAX4124_Gcm1 MAX4124_VM 2 MAX4124_N9518962 2 -31.623E-6 ****************** .model diodemacro_ideal d(n=0.001) .ends MAX4124 ****************** .subckt MAX4124_MAX4124_F1 1 2 3 4 F_MAX4124_F1 3 4 VF_MAX4124_F1 -1 VF_MAX4124_F1 1 2 0V .ends MAX4124_MAX4124_F1 .subckt MAX4124_MAX4124_Hs2 1 2 3 4 H_MAX4124_Hs2 3 4 VH_MAX4124_Hs2 11.0816 VH_MAX4124_Hs2 1 2 0V .ends MAX4124_MAX4124_Hs2 .subckt MAX4124_MAX4124_Hs1 1 2 3 4 H_MAX4124_Hs1 3 4 VH_MAX4124_Hs1 25.291 VH_MAX4124_Hs1 1 2 0V .ends MAX4124_MAX4124_Hs1 ****************** .subckt nmosmacro d g s b m1 d g s b nmos .model nmos nmos(VTO=0.5 KP=100E-6 w=2u l=1u) .ends *********** .subckt nmosmacro_str d g s b m1 d g s b nmos .model nmos nmos(VTO=0.5 KP=100E-6 w=20u l=1u) .ends ****************** *Note: ** Macro model is developed using the typical device parameters given in the data sheet with 5 volts power supply. Model does not take care of the device non-linearity with temperature variations. Model characteristics may not match actual device behavior at abnormal operating conditions. **Parameters which are not modeled: *1. Gain Margin *2. Total Harmonic Distortion, Noise parameters *3. Input capacitance * Copyright (c) 2003-2012 Maxim Integrated Products. All Rights Reserved.