* MAX4476 MACROMODEL * ------------------------------ * Revision 1, 6/2008 * ------------------------------ * The MAX4476 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 = OUT * 2 = VSS * 3 = IN+ * 4 = IN- * 5 = N.C. * 6 = VDD **************** .subckt MAX4476 1 2 3 4 5 6 E_MAX4476_EH MAX4476_N10145575 2 VINT MAX4476_N101463451 1E5 D_MAX4476_D3 MAX4476_VGBW MAX4476_N10146247 diodemacro_ideal R_MAX4476_Rcm 2 MAX4476_N10146805 1Meg D_MAX4476_Ds1 MAX4476_VO MAX4476_N10149003 diodemacro_ideal R_MAX4476_Rc2 MAX4476_N10146533 VINT 1k V_MAX4476_Voff MAX4476_N10146273 4 -0.067mVdc I_MAX4476_Ib- 4 2 DC 0.5pA D_MAX4476_D4 MAX4476_N10146141 MAX4476_VGBW diodemacro_ideal L_MAX4476_Lcm MAX4476_N10147525 2 0.0143239pH R_MAX4476_Ri+ MAX4476_VCM 3 500G X_MAX4476_Hs2 MAX4476_N101458490 MAX4476_VO MAX4476_N10148957 + MAX4476_N10145951 MAX4476_MAX4476_Hs2 V_MAX4476_VH MAX4476_N101463451 2 5.5Vdc D_MAX4476_Dst MAX4476_N10146489 MAX4476_N10147475 diodemacro_ideal C_MAX4476_Cst 2 MAX4476_N10146489 1n D_MAX4476_Ds2 MAX4476_N10148957 MAX4476_VO diodemacro_ideal G_MAX4476_Gcm1 MAX4476_N10145769 2 MAX4476_N10146805 2 -1.778279E-6 R_MAX4476_Rps2 2 MAX4476_N10145721 1 I_MAX4476_Ib+ 3 2 DC 1.5pA X_MAX4476_M1 MAX4476_VO MAX4476_N10146847 2 2 nmosmacro_str G_MAX4476_Gcm2 MAX4476_VM 2 MAX4476_N10145769 2 -1 I_MAX4476_Iq 6 2 DC 1.75mA C_MAX4476_Cpm 2 MAX4476_N10147435 5.792766n D_MAX4476_D5 MAX4476_VSH MAX4476_N10146953 diodemacro_ideal L_MAX4476_Lps MAX4476_N10145721 2 0.4mH E_MAX4476_EicH MAX4476_N10146847 2 MAX4476_VCM MAX4476_N101469231 1E8 E_MAX4476_Est1 MAX4476_N10147475 2 6 2 1 G_MAX4476_Gps1 MAX4476_N10146521 2 VINT 2 -25E-3 D_MAX4476_D6 MAX4476_N10146887 MAX4476_VSH diodemacro_ideal X_MAX4476_M4 MAX4476_VO MAX4476_N10145575 2 2 nmosmacro_str G_MAX4476_GQ 6 2 VINT 2 1.5E-4 V_MAX4476_VicH MAX4476_N101469231 VINT -1.6V V_MAX4476_VL MAX4476_N101462991 2 2.7Vdc V_MAX4476_Vs2 MAX4476_N10145951 2 6.203442mV R_MAX4476_Ro 2 MAX4476_VO 1.284187k R_MAX4476_Rpm 2 MAX4476_N10147435 1 E_MAX4476_Est2 VINT 2 MAX4476_N10146489 2 1 I_MAX4476_Isr MAX4476_N10146247 MAX4476_N10146141 DC 47.74648mA X_MAX4476_M2 MAX4476_VO MAX4476_N10146801 2 2 nmosmacro_str G_MAX4476_Gst MAX4476_N10146489 2 6 2 -7.692308E-5 D_MAX4476_D7 MAX4476_N10147989 MAX4476_N10146953 diodemacro_ideal X_MAX4476_M5 MAX4476_N10146767 MAX4476_N10146273 MAX4476_N10147673 + MAX4476_N10147673 nmosmacro_th G_MAX4476_Gg MAX4476_VM 2 MAX4476_N10146767 MAX4476_N10146533 -0.5 R_MAX4476_Rcm1 MAX4476_N10147525 MAX4476_N10145769 1 D_MAX4476_D8 MAX4476_N10146887 MAX4476_N10147989 diodemacro_ideal G_MAX4476_Go MAX4476_VO 2 MAX4476_N10147435 2 -7.787031E-4 R_MAX4476_Rg 2 MAX4476_VM 1.128419Meg G_MAX4476_Gps2 MAX4476_VM 2 MAX4476_N10146521 2 -1 E_MAX4476_EicL MAX4476_N10146801 2 MAX4476_VCM MAX4476_N101467551 -5E6 X_MAX4476_M6 MAX4476_N10146533 3 MAX4476_N10147673 MAX4476_N10147673 + nmosmacro_th R_MAX4476_Rps1 MAX4476_N10145721 MAX4476_N10146521 40u G_MAX4476_Gpm MAX4476_N10147435 2 MAX4476_VGBW 2 -1 V_MAX4476_VicL MAX4476_N101467551 2 -0.2Vdc C_MAX4476_Cgbw 2 MAX4476_VGBW 15.91549n E_MAX4476_EL MAX4476_N10145559 2 VINT MAX4476_N101462991 -1E5 I_MAX4476_I1 MAX4476_N10147673 2 DC 200uA V_MAX4476_Vs1 MAX4476_N101458230 MAX4476_N10149003 5.075808mV D_MAX4476_D1 MAX4476_VM MAX4476_N10146247 diodemacro_ideal R_MAX4476_Ri- 4 MAX4476_VCM 500G R_MAX4476_Rcm2 2 MAX4476_N10147525 9 X_MAX4476_M3 MAX4476_VO MAX4476_N10145559 2 2 nmosmacro_str E_MAX4476_Ecm MAX4476_N101456130 2 MAX4476_VCM 2 1 D_MAX4476_D2 MAX4476_N10146141 MAX4476_VM diodemacro_ideal X_MAX4476_Hs1 MAX4476_N101458490 MAX4476_VSH VINT MAX4476_N101458230 + MAX4476_MAX4476_Hs1 R_MAX4476_Rc1 MAX4476_N10146767 VINT 1k X_MAX4476_FLq MAX4476_N10147989 1 2 6 MAX4476_MAX4476_FLq C_MAX4476_Ccm MAX4476_N101456130 MAX4476_N10146805 16m I_MAX4476_I2 MAX4476_N10146953 MAX4476_N10146887 DC 48mA ****************** .model diodemacro_ideal d(n=0.001) .ends MAX4476 ****************** .subckt MAX4476_MAX4476_Hs2 1 2 3 4 H_MAX4476_Hs2 3 4 VH_MAX4476_Hs2 15.24722 VH_MAX4476_Hs2 1 2 0V .ends MAX4476_MAX4476_Hs2 .subckt MAX4476_MAX4476_Hs1 1 2 3 4 H_MAX4476_Hs1 3 4 VH_MAX4476_Hs1 19.77587 VH_MAX4476_Hs1 1 2 0V .ends MAX4476_MAX4476_Hs1 .subckt MAX4476_MAX4476_FLq 1 2 3 4 F_MAX4476_FLq 3 4 VF_MAX4476_FLq -1 VF_MAX4476_FLq 1 2 0V .ends MAX4476_MAX4476_FLq ****************** .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.