1 | * AD8672 SPICE Macro-model
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2 | * Description: Amplifier
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3 | * Generic Desc: 10/30V, BIP, OP, Low Noise, Low Ib, 2X
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4 | * Developed by: HH/ADI-SJ, Soufiane Bendaoud ADI Silicon valley
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5 | * Revision History: 08/10/2012 - Updated to new header style
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6 | * 2.0 (12/2009) - Corrected unpowered Ibais, PM, PSRR, IVR. Changed noise gen,
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7 | * Added input C.
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8 | * 1.0 ( 07/2003)
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9 | * Copyright 2003, 2009, 2012 by Analog Devices, Inc.
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10 | *
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11 | * Refer to http://www.analog.com/Analog_Root/static/techSupport/designTools/spiceModels/license/spice_general.html for License Statement. Use of this model
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12 | * indicates your acceptance of the terms and provisions in the License Statement.
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13 | *
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14 | * BEGIN Notes:
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15 | *
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16 | * Not Modeled:
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17 | *
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18 | * Parameters modeled include:
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19 | * This model simulates typical values at Vs=+/-15V
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20 | *
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21 | * END Notes
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22 | *
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23 | * Node assignments
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24 | * non-inverting input
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25 | * | inverting input
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26 | * | | positive supply
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27 | * | | | negative supply
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28 | * | | | | output
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29 | * | | | | |
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30 | .SUBCKT AD8672 1 2 99 50 39
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31 | *#ASSOC Category="Op-amps" symbol=opamp
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32 | *
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33 | * INPUT STAGE
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34 | *
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35 | R3 5 99 2.033E+04
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36 | R4 6 99 2.033E+04
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37 | CIN 1 2 7.45E-12
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38 | CCM1 1 50 6.25E-12
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39 | CCM2 2 50 6.25E-12
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40 | RC 5 56 5.3E+03
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41 | CC 56 6 2.14E-13
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42 | I1 4 50 300E-06
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43 | VI1 450 50 2.7
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44 | DI1 450 4 DX
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45 | IOS 1 2 3E-9
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46 | EOS 9 1 POLY(4) (31 98) (81 98) (83 98) (73 98) 20E-6 1 1 1 1
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47 | Q1 5 2 4 QINN
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48 | Q2 6 9 4 QINN
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49 | D1 2 1 DX
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50 | D2 1 2 DX
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51 | GN1 50 2 (60 61) 1.453E-05
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52 | GN2 50 1 (62 63) 1.453E-05
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53 | *
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54 | * GAIN STAGE
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55 | *
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56 | R7 20 98 1.652E+05
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57 | C3 20 98 5.61E-07
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58 | G1 98 20 (5 6) 3.603E-01
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59 | EV1 98 21 POLY(1) (99 98) -2.0E0 10E-1
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60 | EV2 22 98 POLY(1) (98 50) -2.3E0 10E-1
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61 | D5 21 20 DX
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62 | D6 20 22 DX
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63 | EPLUS 97 0 99 0 1
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64 | ENEG 51 0 50 0 1
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65 | Rtemp1 97 51 1meg
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66 | *
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67 | * COMMON-MODE GAIN NETWORK
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68 | *
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69 | E5 30 98 POLY(2) (2 50) (1 50) 0 4.196E-03 4.196E-03
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70 | RCM1 30 31 1.061E+03
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71 | RCM2 31 98 1.592E-01
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72 | CCM 30 31 1.000E-06
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73 | *
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74 | * PSRR NETWORK
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75 | *
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76 | EPSY 98 72 POLY(1) (99,50) 3.350E-03 9.375E-01
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77 | CPS3 72 73 1.000E-06
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78 | RPS3 72 73 9.947E+02
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79 | RPS4 73 98 1.061E-02
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80 | *
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81 | * VOLTAGE NOISE REFERENCE OF 2.8nV/rt(Hz)
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82 | *
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83 | VN1 80 98 0
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84 | RN1 80 98 26.34E-3
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85 | HN 81 98 VN1 2.80E+00
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86 | RN2 81 98 1
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87 | *
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88 | * FLICKER NOISE CORNER
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89 | *
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90 | DFN 82 98 DNOISE
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91 | VFN 82 98 DC 0.65520
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92 | HFN 83 98 POLY(1) VFN 1.00E-03 1.00E+00
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93 | RFN 83 98 1
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94 | *
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95 | * CURRENT NOISE SOURCE WITH FLICKER NOISE
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96 | *
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97 | D60 60 0 DIN1 1000
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98 | I60 0 60 1m
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99 | D61 61 0 DIN1
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100 | I61 0 61 1u
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101 | *
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102 | * SECOND CURRENT NOISE SOURCE
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103 | *
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104 | D62 62 0 DIN1
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105 | I62 0 62 1u
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106 | D63 63 0 DIN1
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107 | I63 0 63 1u
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108 | *
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109 | R17 33 99 1meg
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110 | R18 33 50 1meg
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111 | C178 33 50 1E-06
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112 | C188 33 99 1E-06
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113 | EREF 98 0 33 0 1
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114 | *
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115 | GSY 99 50 POLY(1) 99 50 2.24E-3 15E-6
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116 | *
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117 | * OUTPUT STAGE
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118 | *
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119 | R19 34 99 100
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120 | R20 34 50 100
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121 | G9 34 99 99 20 1.000E-02
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122 | G10 50 34 20 50 1.000E-02
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123 | *
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124 | V3 35 34 0.65
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125 | D9 20 35 DX
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126 | V4 34 36 0.52;
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127 | D10 36 20 DX
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128 | *
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129 | G7 37 50 20 34 1.0E-2
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130 | G8 38 50 34 20 1.0E-2
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131 | D11 99 37 DX
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132 | D12 99 38 DX
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133 | D13 50 37 DY
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134 | D14 50 38 DY
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135 | *
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136 | F1 34 0 V3 1
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137 | F2 0 34 V4 1
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138 | *
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139 | L3 34 39 1E-8; 39 is output pin
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140 | *
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141 | * MODELS USED
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142 | *
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143 | .MODEL QINN NPN(BF=3.0E4, VA=130)
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144 | .MODEL DX D(IS=1E-15, RS=1m Cjo=10f)
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145 | .MODEL DY D(IS=1E-15 BV=50 Cjo=10f)
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146 | .MODEL DEN D(IS=1E-12, RS=4.0E+2, KF=1.08E-16, AF=1 Cjo=10f)
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147 | .MODEL DNOISE D(IS=1E-14,RS=1E-1,KF=3.14E-14)
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148 | .MODEL DIN D(IS=1E-18, RS=1.0E-6, KF=1.82E-14, AF=1)
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149 | .MODEL DIN1 D(IS=1E-16, RS=1.0E-0, KF=3.7E-16, AF=1)
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150 | .ENDS AD8672
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151 | *$
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