* MAX4475 MACROMODEL * ------------------------------ * Revision 1, 6/2008 * ------------------------------ * The MAX4475 Wide-band, low-noise, low-distortion operatinal amplifiers offer rail-rail outputs and single supply operation down to 2.7V. These devices are ideal for the applications that require low distrotion and low noise. * ------------------------------ * Connections * 1 = N.C. * 2 = INA- * 3 = INA+ * 4 = VSS * 5 = N.C. * 6 = OUT * 7 = VDD * 8 = SHDN_BAR **************** .subckt MAX4475 1 2 3 4 5 6 7 8 C_MAX4475_Ccm MAX4475_N97988200 MAX4475_N9800060 16m X_MAX4475_M3 MAX4475_VO MAX4475_N9798762 4 4 nmosmacro_str G_MAX4475_G7 MAX4475_N9990473 4 MAX4475_N9990481 MAX4475_N9990359 -1E3 I_MAX4475_I1 MAX4475_N9803772 4 DC 200uA X_MAX4475_M2 MAX4475_VO MAX4475_N9800056 4 4 nmosmacro_str E_MAX4475_EH MAX4475_N9798778 4 VINT MAX4475_N97995561 1E5 D_MAX4475_D3 MAX4475_VGBW MAX4475_N9799460 diodemacro_ideal V_MAX4475_VL MAX4475_N97995141 4 2.7Vdc R_MAX4475_Ri+ MAX4475_VCM 3 500G R_MAX4475_Rcm 4 MAX4475_N9800060 1Meg E_MAX4475_E16 MAX4475_N9990377 4 VINT 4 0.3 R_MAX4475_Rc3 SHDN MAX4475_N99906850 10 D_MAX4475_D4 MAX4475_N9799352 MAX4475_VGBW diodemacro_ideal G_MAX4475_G9 6 4 MAX4475_N100220210 SHDN 0.2E-9 X_MAX4475_Hs2 MAX4475_N97990540 MAX4475_VO MAX4475_N9798516 MAX4475_N9799162 + MAX4475_MAX4475_Hs2 R_MAX4475_Rc1 MAX4475_N9828555 VINT 1k V_MAX4475_V11 MAX4475_N100220210 4 5Vdc D_MAX4475_D19 MAX4475_N9990653 MAX4475_N99906850 diodemacro_ideal L_MAX4475_Lcm MAX4475_N9800888 4 0.0143239pH G_MAX4475_G10 7 4 POLY(2) MAX4475_N10051322 4 SHDN 4 0.01E-6 0 0 0 0.2 C_MAX4475_Cpm 4 MAX4475_N9798418 5.792766n E_MAX4475_E20 MAX4475_N10051322 4 VINT MAX4475_N100384261 1.5E-4 D_MAX4475_D20 MAX4475_N99907270 MAX4475_N9990653 diodemacro_ideal D_MAX4475_Ds1 MAX4475_VO MAX4475_N9798566 diodemacro_ideal R_MAX4475_Rc2 MAX4475_N9827349 VINT 1k E_MAX4475_E17 MAX4475_N9990653 4 MAX4475_N9990473 4 1 C_MAX4475_Cst 4 MAX4475_N9798312 1n X_MAX4475_FLq MAX4475_N9800356 6 4 7 MAX4475_MAX4475_FLq I_MAX4475_Ib- 2 4 DC 0.5pA R_MAX4475_Rc4 SHDN MAX4475_N99907270 1.5 R_MAX4475_Rps2 4 MAX4475_N9798934 1 I_MAX4475_Ib+ 3 4 DC 1.5pA V_MAX4475_VicL MAX4475_N97999781 4 -0.2Vdc G_MAX4475_Gcm1 MAX4475_N9800500 4 MAX4475_N9800060 4 -1.778279E-6 G_MAX4475_Gpm MAX4475_N9798418 4 MAX4475_VGBW 4 -1 E_MAX4475_E15 MAX4475_N9990453 4 8 4 1 G_MAX4475_Gcm2 MAX4475_VM 4 MAX4475_N9800500 4 -1 R_MAX4475_Rpm 4 MAX4475_N9798418 1 L_MAX4475_Lps MAX4475_N9798934 4 0.4mH G_MAX4475_G6 MAX4475_N9990481 4 8 MAX4475_N9990377 -1E3 D_MAX4475_Ds2 MAX4475_N9798516 MAX4475_VO diodemacro_ideal E_MAX4475_Est2 VINT 4 MAX4475_N9798312 4 1 V_MAX4475_VH MAX4475_N97995561 4 5.5Vdc D_MAX4475_D5 MAX4475_VSH MAX4475_N9800198 diodemacro_ideal G_MAX4475_G8 MAX4475_N9800198 MAX4475_N9800132 SHDN 4 9.6E-3 G_MAX4475_Gps1 MAX4475_N9799736 4 VINT 4 -25E-3 C_MAX4475_C3 4 SHDN 1u D_MAX4475_D6 MAX4475_N9800132 MAX4475_VSH diodemacro_ideal E_MAX4475_E19 MAX4475_N9990359 4 VINT 4 0.7 V_MAX4475_Vs2 MAX4475_N9799162 4 6.203442mV G_MAX4475_Gps2 MAX4475_VM 4 MAX4475_N9799736 4 -1 E_MAX4475_EicH MAX4475_N9800096 4 MAX4475_VCM MAX4475_N98001681 1E8 R_MAX4475_Ro 4 MAX4475_VO 1.284187k G_MAX4475_Gst MAX4475_N9798312 4 7 4 -7.692308E-5 I_MAX4475_Isr MAX4475_N9799460 MAX4475_N9799352 DC 47.74648mA V_MAX4475_Voff MAX4475_N9941863 2 -0.067mVdc R_MAX4475_Rps1 MAX4475_N9798934 MAX4475_N9799736 40u G_MAX4475_Gg MAX4475_VM 4 MAX4475_N9828555 MAX4475_N9827349 -0.5 V_MAX4475_VicH MAX4475_N98001681 VINT -1.6V X_MAX4475_M1 MAX4475_VO MAX4475_N9800096 4 4 nmosmacro_str R_MAX4475_Rcm1 MAX4475_N9800888 MAX4475_N9800500 1 G_MAX4475_Go MAX4475_VO 4 MAX4475_N9798418 4 -7.787031E-4 V_MAX4475_V10 MAX4475_N99905870 4 5Vdc R_MAX4475_Rg 4 MAX4475_VM 1.128419Meg D_MAX4475_Dst MAX4475_N9798312 MAX4475_N9800844 diodemacro_ideal D_MAX4475_D16 4 MAX4475_N9990481 diodemacro_ideal D_MAX4475_D7 MAX4475_N9800356 MAX4475_N9800198 diodemacro_ideal X_MAX4475_M5 MAX4475_N9828555 MAX4475_N9941863 MAX4475_N9803772 + MAX4475_N9803772 nmosmacro_th V_MAX4475_V12 4 MAX4475_N100384261 11.66666667V E_MAX4475_EicL MAX4475_N9800056 4 MAX4475_VCM MAX4475_N97999781 -5E6 C_MAX4475_Cgbw 4 MAX4475_VGBW 15.91549n I_MAX4475_Ish1 8 4 DC 0.01uAdc D_MAX4475_D17 MAX4475_N9990473 MAX4475_N99905870 diodemacro_ideal V_MAX4475_Vs1 MAX4475_N97990280 MAX4475_N9798566 5.075808mV D_MAX4475_D8 MAX4475_N9800132 MAX4475_N9800356 diodemacro_ideal R_MAX4475_Ri- 2 MAX4475_VCM 500G E_MAX4475_E14 MAX4475_N9990829 4 MAX4475_N9990481 4 1 E_MAX4475_EL MAX4475_N9798762 4 VINT MAX4475_N97995141 -1E5 D_MAX4475_D1 MAX4475_VM MAX4475_N9799460 diodemacro_ideal X_MAX4475_M4 MAX4475_VO MAX4475_N9798778 4 4 nmosmacro_str X_MAX4475_M6 MAX4475_N9827349 3 MAX4475_N9803772 MAX4475_N9803772 + nmosmacro_th D_MAX4475_D18 MAX4475_N9990829 MAX4475_N9990473 diodemacro_ideal D_MAX4475_D15 MAX4475_N9990481 MAX4475_N9990453 diodemacro_ideal R_MAX4475_Rcm2 4 MAX4475_N9800888 9 E_MAX4475_Ecm MAX4475_N97988200 4 MAX4475_VCM 4 1 X_MAX4475_Hs1 MAX4475_N97990540 MAX4475_VSH VINT MAX4475_N97990280 + MAX4475_MAX4475_Hs1 D_MAX4475_D2 MAX4475_N9799352 MAX4475_VM diodemacro_ideal E_MAX4475_Est1 MAX4475_N9800844 4 7 4 1 ****************** .model diodemacro_ideal d(n=0.001) .ends MAX4475 ****************** .subckt MAX4475_MAX4475_Hs2 1 2 3 4 H_MAX4475_Hs2 3 4 VH_MAX4475_Hs2 15.24722 VH_MAX4475_Hs2 1 2 0V .ends MAX4475_MAX4475_Hs2 .subckt MAX4475_MAX4475_FLq 1 2 3 4 F_MAX4475_FLq 3 4 VF_MAX4475_FLq -1 VF_MAX4475_FLq 1 2 0V .ends MAX4475_MAX4475_FLq .subckt MAX4475_MAX4475_Hs1 1 2 3 4 H_MAX4475_Hs1 3 4 VH_MAX4475_Hs1 19.77587 VH_MAX4475_Hs1 1 2 0V .ends MAX4475_MAX4475_Hs1 ****************** .subckt nmosmacro_th d g s b m1 d g s b nmos .model nmos nmos(VTO=0.5 KP=100E-6 w=200u l=1u KF=0.15E-27 AF=1) .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 *3. Input capacitance * Copyright (c) 2003-2012 Maxim Integrated Products. All Rights Reserved.