** LMH6553 SPICE model Rev A ** *//////////////////////////////////////////////////////// ** This model will give typical performance characteristics ** for the following parameters * * closed loop frequency response vs gain * output current and voltage clamping * input bias current error (common mode) * input bias current error (differential mode) * input common mode voltage offset * slew rate and step response * vnoise, referred to the input * inoise, referred to the input * output balance error vs frequency * common mode frequency response * Isupply temco * Isupply dependence on supply voltage * ** This model does not capture the following performance ** characteristics. These will be included in the next release. * * precision clamping * harmonic distortion * *////////////////////////////////////////////////////// ** Top Level Circuit Description *////////////////////////////////////////////////////// ** Pin Desciptions * Positive Supply Voltage * | Negative Supply Voltage * | | Positive Input Terminal * | | | Negative Input Terminal * | | | | Positive Output Terminal * | | | | | Negative Output Terminal * | |  | | | | Output Common Mode Reference Input * | | | | | | | Output Clamp Control Input * | | | | | | | | .subckt lmh6553 vcc vee vip vim vop vom vcm vclmp e0 a0118 a0100 a0215 0 1.0 xoutbufm vcc vee a205 a134 a0117 a111 output_stage_b xoutbufp vcc vee a203 a134 a0113 a111 output_stage_b l1 vim a0198 1e-9 l0 vip a0118 1e-9 l3 vom a0117 1e-9 l2 vop a0113 1e-9 xoutclamp vcc vee a205 a203 vclmp vcm hiz_limiter g3 a202 vee a220 0 1.0 g4 a176 vee a167 0 1.0 g1 vcc a108 vcc vee 140e-6 g0 a111 a134 a108 vee 10.0e-3 d3 a119 a0198 DIODEnoisy 1 d4 a199 a0100 DIODEnoisy 1 d6 a113 a140 DIODEideal 1 d5 a115 a146 DIODEideal 1 d1 a0198 a176 DIODEnoisy 1 d0 a0100 a202 DIODEnoisy 1 c4 a0100 a0198 6e-12 c0 a203 0 2.1e-12 c1 a205 0 2.1e-12 q12 a174 a134 a224 0 NPNXTR 1 q2 a134 a134 a248 0 NPNXTR 1 q0 a202 a134 a250 0 NPNXTR 1 q9 a140 vcm a149 0 NPNXTR 1 q1 a176 a134 a252 0 NPNXTR 1 q10 a146 a148 a174 0 NPNXTR 1 q11 a149 a134 a222 0 NPNXTR 1 q3 a119 a111 a154 0 PNPXTR 1 q5 a111 a111 a157 0 PNPXTR 1 q4 a199 a111 a160 0 PNPXTR 1 v2 a241 a174 0 v1 a202 a176 0 i9 a0100 a0198 2.5e-6 i5 vcc a148 dc=12e-6 i0 vcc a108 7e-3 f2 0 a203 v2 1.0 f3 0 a205 v2 1.0 f1 0 a205 v1 -2.0 f0 0 a203 v1 2.0 r27 a220 0 5e-3 r28 a167 0 5e-3 r41 a0215 0 200 rtm 0 a205 128e3 r29 a222 vee 250 r30 a224 vee 250 r31 vcc a113 250 rtp a203 0 128e3 r32 vcc a115 250 r20 vcc a157 250 r15 a0113 a148 2.5e3 r22 vcc a160 175 r16 a148 a0117 2.5e3 r33 a149 a241 200 rtc a108 vee 14.3 tc=400e-6,-5e-6 r21 vcc a154 175 r19 a248 vee 250 r17 a250 vee 175 r18 a252 vee 175 .ends lmh6553 ** end of top level circuit ** *//////////////////////////////// ** Sub-Circuit Descriptions *//////////////////////////////// ** *///////////////////////// ** Output Stage *///////////////////////// ** .subckt output_stage_b vcc vee in nbias out pbias c1 vee a5 250e-15 c0 vcc a17 250e-15 q5 a17 pbias a040 PNPXTR 1 q2 vee in a17 PNPXTR 2 q0 vee a5 a038 PNPXTR 8 q7 a5 nbias a029 NPNXTR 2 q3 vcc in a5 NPNXTR 2 q1 vcc a17 a060 NPNXTR 8 r5 out a038 2 r4 a060 out 2 r2 a029 vee 160 r0 vcc a040 225 .ends output_stage_b ** end of subcircuit definition ** *////////////////////////////////////// ** Clamp *////////////////////////////////////// ** .subckt hiz_limiter vcc vee hizm hizp vclmp vcm e0 a37 0 a49 0 1.0 e1 a41 0 a62 0 1.0 e3 a45 0 vclmp 0 1.0 v0 a69 vcm 1.0 i3 vcc vclmp 100e-6 i7 vcc a62 100e-6 i6 a68 vee 100e-6 i4 a49 vee 100e-6 d2 hizm a37 DIODEideal 1 d5 a41 hizp DIODEideal 1 d6 hizp a37 DIODEideal 1 d0 vclmp a49 DIODEideal 1 d3 a41 hizm DIODEideal 1 d4 a62 a68 DIODEideal 1 xlevel_gen vcm a66 a68 opamp_ideal r1 a45 a66 1000 r3 a66 a68 1000 r4 a69 vclmp 100e3 .ends hiz_limiter ** end of subcircuit definition ** *//////////////////////////////////////////////////// ** Ideal OpAmp *//////////////////////////////////////////////////// ** .subckt opamp_ideal inp inm out c0 a060 0 3.2e-12 e0 a029 0 a060 0 1.0 g0 a060 0 inp inm -20e-3 r4 a060 0 100e3 r6 a029 out 10 .ends opamp_ideal ** end of subcircuit definition. ** *////////////////////////////// ** Device Model Parameters *////////////////////////////// ** ** .model DIODEideal d(tnom=25.0 is=1e-18) .model DIODEnoisy d(tnom=25.0 is=1e-18 af=2.0 kf=80e-12) .model NPNXTR npn(tnom=25.0 is=14.42e-18 bf=121 + vaf=200.0 rb=57.00 re=3.000 + rc=7.000 cje=206.3e-15 cjc=81.45e-15 + kf=480.0e-12 af=2.000) .model PNPXTR pnp(tnom=25.0 is=18.92e-18 bf=79 + vaf=60.00 rb=35.80 re=1.600 + rc=3.500 cje=167.4e-15 cjc=126.8e-15 + kf=350.0e-12 af=2.000) .ends