*$ * OPA455 ***************************************************************************** * (C) Copyright 2021 Texas Instruments Incorporated. All rights reserved. ***************************************************************************** ** This model is designed as an aid for customers of Texas Instruments. ** TI and its licensors and suppliers make no warranties, either expressed ** or implied, with respect to this model, including the warranties of ** merchantability or fitness for a particular purpose. The model is ** provided solely on an "as is" basis. The entire risk as to its quality ** and performance is with the customer ***************************************************************************** * * This model is subject to change without notice. Texas Instruments * Incorporated is not responsible for updating this model. * ***************************************************************************** * ** Released by: Online Design Tools, Texas Instruments Inc. * Part: OPA455 * Date: 09NOV2021 * Model Type: Generic (suitable for all analysis types) * EVM Order Number: N/A * EVM Users Guide: N/A * Datasheet: SBOSA16 - OCTOBER 2020 * Created with Green-Williams-Lis Op Amp Macro-model Architecture * * Model Version: Final 1.1 * ***************************************************************************** * * Updates: * * Final 1.1 * 1. Modified the capacitor(C14) value from 1F to 1uF in GND Float-IQ block * to resolve the convergence issue in single and asymmetric supply test. * 2. Updated Overload recovery time, CLAW curves and Short circuit currents. * * Final 1.0 * Release to Web. * ***************************************************************************** * Model Usage Notes: * 1. The following parameters are modeled: * a. OPEN-LOOP GAIN AND PHASE VS. FREQUENCY WITH RL, CL EFFECTS (Aol) * b. UNITY GAIN BANDWIDTH (GBW) * c. INPUT COMMON-MODE REJECTION RATIO VS. FREQUENCY (CMRR) * d. POWER SUPPLY REJECTION RATIO VS. FREQUENCY (PSRR) * e. DIFFERENTIAL INPUT IMPEDANCE (Zid) * f. COMMON-MODE INPUT IMPEDANCE (Zic) * g. OPEN-LOOP OUTPUT IMPEDANCE VS. FREQUENCY (Zo) * h. OUTPUT CURRENT THROUGH THE SUPPLY (Iout) * i. INPUT VOLTAGE NOISE DENSITY VS. FREQUENCY (en) * j. INPUT CURRENT NOISE DENSITY VS. FREQUENCY (in) * k. OUTPUT VOLTAGE SWING vs. OUTPUT CURRENT (Vo) * l. SHORT-CIRCUIT OUTPUT CURRENT (Isc) * m. QUIESCENT CURRENT (Iq) * n. SETTLING TIME VS. CAPACITIVE LOAD (ts) * o. SLEW RATE (SR) * p. SMALL SIGNAL OVERSHOOT VS. CAPACITIVE LOAD * q. LARGE SIGNAL RESPONSE * r. OVERLOAD RECOVERY TIME (tor) * s. INPUT BIAS CURRENT (Ib) * t. INPUT OFFSET CURRENT (Ios) * u. INPUT OFFSET VOLTAGE (Vos) * v. INPUT OFFSET VOLTAGE VS. TEMPERATURE (Vos Drift) * w. INPUT COMMON-MODE VOLTAGE RANGE (Vcm) * x. INPUT OFFSET VOLTAGE VS. INPUT COMMON-MODE VOLTAGE (Vos vs. Vcm) * y. INPUT/OUTPUT ESD CELLS (ESDin, ESDout) ***************************************************************************** .SUBCKT OPA455 IN+ IN- VCC VEE OUT ***************************************************************************** C_C1 N24458 N24659 20.4P C_C10 N37029 N37037 18.72U C_C13 0 N2425309 1F C_C14 0 N2425287 1U C_C15 0 N2425325 1F C_C16 MID N56849 1F C_C17 MID N57325 1F C_C18 MID N59747 1F C_C19 MID N59865 1F C_C2 N25921 N25929 324.8P C_C20 MID N65579 1F C_C21 MID N65697 1F C_C22 MID N68774 1F C_C23 N72398 MID 1F C_C24 MID N72391 1F C_C25 MID N81574 1P C_C26 MID N81664 1P C_C27 MID SW_OL_OPA455 1N C_C28 VCLP MID 1P C_C29 VIMON MID 1P C_C3 N27785 N27793 411.3P C_C30 VOUT_S MID 1P C_C32 MID N2419074 23.5F C_C33 MID N36262 7.0E-16 C_C4 N32347 MID 1F C_C5 CLAMP MID 176.8N C_C6 N34005 N34013 4.547P C_C_COM0 ESDP MID 3.5P C_C_COM1 MID ESDN 3.5P C_C_DIFF ESDN ESDP 6P E_E1 MID 0 N2425287 0 1 E_E2 N158495 MID CL_CLAMP MID 1 E_E3 N161937 MID OUT MID 1 G_G1 N24458 MID ESDP MID -19.81M G_G12 CLAW_CLAMP MID N36262 MID -1M G_G13 CL_CLAMP MID CLAW_CLAMP MID -1M G_G15 N37029 MID CL_CLAMP N45999 -88.5 G_G18 VCC_B 0 VCC 0 -1 G_G19 VEE_B 0 VEE 0 -1 G_G2 N25415 N25397 N24659 MID -1M G_G20 VCC_CLP MID N72398 MID -1M G_G21 VEE_CLP MID N72391 MID -1M G_G22 N1356345 MID N1356333 MID -1 G_G23 N1356409 MID N1356429 MID -1 G_G26 N2419074 MID VSENSE MID -1U G_G27 N36262 MID N34013 MID -1U G_G3 N25921 MID VEE_B MID -330.2M G_G4 N27785 MID VCC_B MID -416.2M G_G5 N28678 N28438 N27793 N25929 -1M G_G6 VSENSE MID CLAMP MID -1M G_G8 N34005 MID N2419074 MID -1.143 I_I_B N24207 MID DC 30P I_I_OS ESDN MID DC 0.1P I_I_Q VCC VEE DC 3.2M R_R1 IN+ ESDP R_NOISELESS 10M R_R10 MID N25921 R_NOISELESS 1 R_R11 MID N25929 R_NOISELESS 98 R_R12 N27793 N27785 R_NOISELESS 100MEG R_R13 MID N27785 R_NOISELESS 1 R_R14 MID N27793 R_NOISELESS 77.4 R_R15 N28438 N25415 R_NOISELESS 1M R_R16 N28678 N28438 R_NOISELESS 1K R_R17 N31303 ESDN R_NOISELESS 1M R_R18 MID N31389 R_NOISELESS 1T R_R19 MID N31737 R_NOISELESS 1T R_R2 IN- ESDN R_NOISELESS 10M R_R20 N32236 MID R_NOISELESS 1 R_R21 N32347 N32236 R_NOISELESS 1M R_R22 MID N32510 R_NOISELESS 1MEG R_R23 MID CLAMP R_NOISELESS 1MEG R_R24 MID VSENSE R_NOISELESS 1K R_R25 N34013 N34005 R_NOISELESS 10K R_R26 MID N34005 R_NOISELESS 1 R_R27 MID N34013 R_NOISELESS 70K R_R3 ESDP MID R_NOISELESS 1T R_R32 MID CLAW_CLAMP R_NOISELESS 1K R_R33 MID CL_CLAMP R_NOISELESS 1K R_R34 N37037 N37029 R_NOISELESS 10K R_R35 MID N37029 R_NOISELESS 1 R_R36 MID N37037 R_NOISELESS 63.36 R_R4 MID ESDN R_NOISELESS 1T R_R43 MID N46041 R_NOISELESS 1 R_R46 VCC_B 0 R_NOISELESS 1 R_R47 VCC_B N2425309 R_NOISELESS 1M R_R48 N2425309 N2425287 R_NOISELESS 1MEG R_R49 N2425287 0 R_NOISELESS 1T R_R5 MID N24458 R_NOISELESS 1 R_R50 N2425287 N2425325 R_NOISELESS 1MEG R_R51 N2425325 VEE_B R_NOISELESS 1M R_R52 VEE_B 0 R_NOISELESS 1 R_R53 VCC_CLP MID R_NOISELESS 1T R_R54 N55560 MID R_NOISELESS 1 R_R55 N56849 N55560 R_NOISELESS 1M R_R56 VEE_CLP MID R_NOISELESS 1T R_R57 N57321 MID R_NOISELESS 1 R_R58 N57325 N57321 R_NOISELESS 1M R_R59 N59739 MID R_NOISELESS 1T R_R6 N24659 N24458 R_NOISELESS 100MEG R_R60 N59743 MID R_NOISELESS 1 R_R61 N59747 N59743 R_NOISELESS 1M R_R62 N59865 N59881 R_NOISELESS 1M R_R63 N59905 MID R_NOISELESS 1T R_R64 N59881 MID R_NOISELESS 1 R_R65 N65567 MID R_NOISELESS 1T R_R66 N65575 MID R_NOISELESS 1 R_R67 N65579 N65575 R_NOISELESS 1M R_R68 N65697 N65713 R_NOISELESS 1M R_R69 N65737 MID R_NOISELESS 1T R_R7 MID N24659 R_NOISELESS 1.56K R_R70 N65713 MID R_NOISELESS 1 R_R71 N68774 VSENSE R_NOISELESS 1M R_R72 VCC_B N72064 R_NOISELESS 1K R_R73 N72064 N72398 R_NOISELESS 1M R_R74 N72073 VEE_B R_NOISELESS 1K R_R75 N72073 N72391 R_NOISELESS 1M R_R76 MID VCC_CLP R_NOISELESS 1K R_R77 VEE_CLP MID R_NOISELESS 1K R_R78 N1356409 MID R_NOISELESS 1 R_R79 N1356345 MID R_NOISELESS 1 R_R8 N25415 N25397 R_NOISELESS 1K R_R80 V11 N81574 R_NOISELESS 100 R_R81 V12 N81664 R_NOISELESS 100 R_R82 N81756 MID R_NOISELESS 1 R_R83 N81756 SW_OL_OPA455 R_NOISELESS 100 R_R84 N158495 VCLP R_NOISELESS 100 R_R89 MID N2419074 R_NOISELESS 1MEG R_R9 N25929 N25921 R_NOISELESS 100MEG R_R90 MID N36262 R_NOISELESS 1MEG R_RDUMMY MID N45999 R_NOISELESS 100K R_RX N45999 N46041 R_NOISELESS 1MEG R_RX1 MID N161737 R_NOISELESS 1T R_RX2 VIMON N161737 R_NOISELESS 100 R_RX3 MID N161937 R_NOISELESS 1T R_RX4 VOUT_S N161937 R_NOISELESS 100 V_VCM_MAX N31389 VCC_B -3 V_VCM_MIN N31737 VEE_B 1 V_V_GRN N65737 MID -700 V_V_GRP N65567 MID 700 V_V_ISCN N59905 MID -47.8 V_V_ISCP N59739 MID 41.4 V_V_ORN N1356333 VCLP -3.112 V_V_ORP N1356429 VCLP 3.112 X_H1 N45999 OUT N161737 MID BLOCK_DC_H1_OPA455 X_H2 N1356115 N1356409 V12 MID BLOCK_DC_H2_OPA455 X_H3 N1356061 N1356345 V11 MID BLOCK_DC_H3_OPA455 X_S1 N1356061 CLAMP N1356061 CLAMP BLOCK_DC_S1_OPA455 X_S2 CLAMP N1356115 CLAMP N1356115 BLOCK_DC_S2_OPA455 X_U1 ESDP N24207 VNSE_OPA455 PARAMS: FLW=1 GLF=0.687 RNV=626.336 X_U10 VCC_CLP VEE_CLP VOUT_S MID N55560 N57321 CLAMP_AMP_LO_OPA455 PARAMS: G=1 X_U11 N59739 N59905 VIMON MID N59743 N59881 CLAMP_AMP_LO_OPA455 PARAMS: G=1 X_U12 N65567 N65737 N68774 MID N65575 N65713 CLAMP_AMP_HI_OPA455 PARAMS: G=10 X_U16 MID N81756 N81574 N81664 OL_SENSE_OPA455 X_U18 VIMON MID N72064 VCC_B CLAWP_OPA455 X_U19 MID VIMON VEE_B N72073 CLAWN_OPA455 X_U20 ESDN ESDP ESD_BB_OPA455 X_U21 OUT VCC VEE ESD_OUT_OPA455 X_U22 N59747 N59865 CL_CLAMP MID CL_SRC_OPA455 PARAMS: GAIN=1 IPOS=2.8E1 + INEG=-2.8E1 X_U23 N65579 N65697 CLAMP MID GR_SRC_OPA455 PARAMS: GAIN=1 IPOS=13E1 + INEG=-13E1 X_U25 SW_OL_OPA455 MID N37029 N37037 SW_OL_OPA455 X_U26 VIMON MID VCC MID IQ_SRC_OPA455 PARAMS: GAIN=1E-3 X_U27 MID VIMON MID VEE IQ_SRC_OPA455 PARAMS: GAIN=1E-3 X_U30 N32347 N31303 MID N32510 AOL_1_OPA455 PARAMS: GAIN=1E-4 IPOS=.5 INEG=-.5 X_U31 N32510 MID MID CLAMP AOL_2_OPA455 PARAMS: GAIN=7.58E-02 IPOS=6.5 + INEG=-6.5 X_U32 N37037 MID MID N46041 ZO_SRC_OPA455 PARAMS: GAIN=1.588E2 IPOS=100E5 + INEG=-100E5 X_U35 N56849 N57325 CLAW_CLAMP MID CLAW_SRC_OPA455 PARAMS: GAIN=1 IPOS=1.4E1 + INEG=-1.4E1 X_U36 N24207 MID FEMT_OPA455 PARAMS: FLWF=0.1 GLFF=0.00966 RNVF=473.6 X_U37 ESDN MID FEMT_OPA455 PARAMS: FLWF=0.1 GLFF=0.00966 RNVF=473.6 X_U4 N25397 N24207 VOS_DRIFT_OPA455 PARAMS: DC=1.51575E-04 POL=1 DRIFT=4E-06 X_U5 ESDN ESDP VCC VEE ESD_IN_OPA455 X_U6 N28678 MID N32236 MID N31389 N31737 VCM_CLAMP_OPA455 PARAMS: GAIN=1 .ENDS OPA455 * .SUBCKT BLOCK_DC_H1_OPA455 1 2 3 4 H_H1 3 4 VH_H1 1K VH_H1 1 2 0V .ENDS BLOCK_DC_H1_OPA455 * .SUBCKT BLOCK_DC_H2_OPA455 1 2 3 4 H_H2 3 4 VH_H2 1 VH_H2 1 2 0V .ENDS BLOCK_DC_H2_OPA455 * .SUBCKT BLOCK_DC_H3_OPA455 1 2 3 4 H_H3 3 4 VH_H3 -1 VH_H3 1 2 0V .ENDS BLOCK_DC_H3_OPA455 * .SUBCKT BLOCK_DC_S1_OPA455 1 2 3 4 S_S1 3 4 1 2 _S1 RS_S1 1 2 1G .MODEL _S1 VSWITCH ROFF=1E12 RON=10M VOFF=0.0V VON=10MV .ENDS BLOCK_DC_S1_OPA455 * .SUBCKT BLOCK_DC_S2_OPA455 1 2 3 4 S_S2 3 4 1 2 _S2 RS_S2 1 2 1G .MODEL _S2 VSWITCH ROFF=1E12 RON=10M VOFF=0.0V VON=10MV .ENDS BLOCK_DC_S2_OPA455 * .SUBCKT AOL_1_OPA455 VC+ VC- IOUT+ IOUT- PARAMS: GAIN=1E-4 IPOS=.5 INEG=-.5 G1 IOUT+ IOUT- VALUE={LIMIT(GAIN*V(VC+,VC-),INEG,IPOS)} .ENDS AOL_1_OPA455 * .SUBCKT AOL_2_OPA455 VC+ VC- IOUT+ IOUT- PARAMS: GAIN=7.58E-02 IPOS=6.5 INEG=-6.5 G1 IOUT+ IOUT- VALUE={LIMIT(GAIN*V(VC+,VC-),INEG,IPOS)} .ENDS AOL_2_OPA455 * .SUBCKT CLAMP_AMP_HI_OPA455 VC+ VC- VIN COM VO+ VO- PARAMS: G=10 GVO+ COM VO+ VALUE = {IF(V(VIN,COM)>V(VC+,COM),((V(VIN,COM)-V(VC+,COM))*G),0)} GVO- COM VO- VALUE = {IF(V(VIN,COM)V(VC+,COM),((V(VIN,COM)-V(VC+,COM))*G),0)} GVO- COM VO- VALUE = {IF(V(VIN,COM)10E-3 | V(OLP,COM)>10E-3),1,0)} .ENDS OL_SENSE_OPA455 * .SUBCKT SW_OL_OPA455 SW_OL_OPA455 MID CAP_L CAP_R .MODEL OL_SW VSWITCH(RON=1E-3 ROFF=1E12 VON=900E-3 VOFF=800E-3) S1 CAP_L CAP_R SW_OL_OPA455 MID OL_SW .ENDS SW_OL_OPA455 * .SUBCKT VCM_CLAMP_OPA455 VIN+ VIN- IOUT- IOUT+ VP+ VP- PARAMS: GAIN=1 G1 IOUT+ IOUT- VALUE={LIMIT(GAIN*V(VIN+,VIN-),V(VP-,VIN-), V(VP+,VIN-))} .ENDS VCM_CLAMP_OPA455 * .SUBCKT VNSE_OPA455 1 2 PARAMS: FLW=1 GLF=0.687 RNV=626.336 .MODEL DVN D KF={PWR(FLW,0.5)/1E11} IS=1.0E-16 I1 0 7 10E-3 I2 0 8 10E-3 D1 7 0 DVN D2 8 0 DVN E1 3 6 7 8 {GLF} R1 3 0 1E9 R2 3 0 1E9 R3 3 6 1E9 E2 6 4 5 0 10 R4 5 0 {RNV} R5 5 0 {RNV} R6 3 4 1E9 R7 4 0 1E9 E3 1 2 3 4 1 .ENDS VNSE_OPA455 * .SUBCKT VOS_DRIFT_OPA455 VOS+ VOS- PARAMS: DC=1.51575E-04 POL=1 DRIFT=4E-06 E1 VOS+ VOS- VALUE={DC+POL*DRIFT*(TEMP-27)} .ENDS VOS_DRIFT_OPA455 * .SUBCKT ZO_SRC_OPA455 VC+ VC- IOUT+ IOUT- PARAMS: GAIN=1.588E2 IPOS=100E5 INEG=-100E5 G1 IOUT+ IOUT- VALUE={LIMIT(GAIN*V(VC+,VC-),INEG,IPOS)} .ENDS ZO_SRC_OPA455 * .MODEL R_NOISELESS RES (T_ABS=-273.15) *