*$ * OPAx376 ***************************************************************************** * (C) Copyright 2022 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: OPAx376 * Date: 2JUN2022 * Model Type: Generic (suitable for all analysis types) * EVM Order Number: N/A * EVM Users Guide: N/A * Datasheet: SBOS406G -JUNE 2007-REVISED DECEMBER 2015 * Created with Green-Williams-Lis Op Amp Macro-model Architecture * * Model Version: Final 1.4 * ***************************************************************************** * * Updates: * * Final 1.4 * 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. Resolved bump in Aol curve at lower frequency by shifting Zo First pole * nearer to Aol First pole. * * Final 1.3 * In CMRR block, R81 resistor is changed from 1.92e3 to 1.92e6 to fix the dc * gain of CMRR * * Final 1.2 * VOS drift feature is added * Added Unique subckt name, removed Claw ABS. * Simplified subckt for current noise. * * Final 1.1 * 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) * 2. OPAx376 model is available in single core(OPA376), dual core(OPA2376) * and quad core(OPA4376) ***************************************************************************** .SUBCKT OPAx376 IN+ IN- VCC VEE OUT ***************************************************************************** C_C1 N5296613 N5296623 60.3F C_C10 N5298247 N5298259 11U C_C123 N5296633 N5296643 62.4P C_C13 N5302951 0 1F C_C14 0 N5302475 1U C_C146 N5719031 N5665974 344F C_C147 N5298821 MID 10.4F C_C148 N57803740 MID 26.5P C_C15 N5302991 0 1F C_C152 N5896474 N5896484 60.3F C_C153 N5905339 N5905349 344F C_C154 N5785671 N5299107 265F C_C16 N5301567 MID 1F C_C17 N5302227 MID 1F C_C18 N5301581 MID 1F C_C19 N5302261 MID 1F C_C20 N5301595 MID 1F C_C21 N5302295 MID 1F C_C22 MID N5301537 1F C_C23 N5303823 MID 1F C_C24 N5304615 MID 1F C_C25 N5304181 MID 1P C_C26 N5304435 MID 1P C_C27 SW_OL_OPAx376 MID 1P C_C29 VIMON MID 1N C_C30 VOUT_S MID 1N C_C4 N5299343 MID 1F C_C5 CLAMP MID 140N C_C70 VCLP MID 100P C_C_COM0 ESDP MID 13P C_C_COM1 MID ESDN 13P C_C_DIFF ESDN ESDP 6.5P E_E1 MID 0 N5302475 0 1 E_E3 N5297811 MID OUT MID 1 E_E4 N5297995 MID CL_CLAMP MID 1 G_G1 N5296613 MID ESDP MID -1.68M G_G104 N5298821 MID VSENSE MID -1U G_G107 CLAW_CLAMP MID N5298821 MID -1M G_G108 CL_CLAMP MID CLAW_CLAMP MID -1M G_G111 N5665974 MID VCC_B MID -342U G_G112 N5781207 MID N5298259 MID -661.54 G_G113 N5785671 MID N5783853 MID -1 G_G116 N5896474 MID N5296623 MID -1 G_G117 N5859234 MID N5896484 MID -53.03 G_G118 N5905349 MID N5719031 MID -1 G_G119 N5296765 MID N5905339 MID -71.43 G_G18 VCC_B 0 VCC 0 -1 G_G19 VEE_B 0 VEE 0 -1 G_G2 N5297947 N5297941 N5859234 MID -1M G_G20 VCC_CLP MID N5303823 MID -1M G_G21 VEE_CLP MID N5304615 MID -1M G_G22 N5304315 MID N5304303 MID -1 G_G23 N5304383 MID N5304405 MID -1 G_G39 N5298247 MID CL_CLAMP N5298565 -89.3 G_G5 N5297697 N5297689 N5296765 N5296643 -1M G_G6 VSENSE MID CLAMP MID -1M G_G96 N5296633 MID VEE_B MID -46.92M I_I_B N5298577 MID DC 200F I_I_OS ESDN MID DC 1F I_I_Q VCC VEE DC 760U R_R15 N5297689 N5297947 R_NOISELESS 1M R_R16 N5297697 N5297689 R_NOISELESS 1K R_R167 N5297995 VCLP R_NOISELESS 100 R_R17 N5300247 ESDN R_NOISELESS 1M R_R18 MID N5298335 R_NOISELESS 1T R_R19 MID N5300937 R_NOISELESS 1T R_R20 N5299325 MID R_NOISELESS 1 R_R21 N5299343 N5299325 R_NOISELESS 1M R_R22 MID N5298735 R_NOISELESS 1MEG R_R23 MID CLAMP R_NOISELESS 1MEG R_R24 MID VSENSE R_NOISELESS 1K R_R266 MID N5298821 R_NOISELESS 1MEG R_R297 N5296643 N5296633 R_NOISELESS 100MEG R_R300 MID N5296643 R_NOISELESS 10.2K R_R301 MID N5296633 R_NOISELESS 1 R_R334 MID CLAW_CLAMP R_NOISELESS 1K R_R335 MID CL_CLAMP R_NOISELESS 1K R_R34 N5298259 N5298247 R_NOISELESS 10K R_R35 MID N5298247 R_NOISELESS 1 R_R358 MID N5665974 R_NOISELESS 1 R_R359 N5665974 N5719031 R_NOISELESS 100MEG R_R36 MID N5298259 R_NOISELESS 15.14 R_R360 MID N5719031 R_NOISELESS 1.42MEG R_R361 MID N5781207 R_NOISELESS 1 R_R362 N5783853 N5781207 R_NOISELESS 990K R_R363 N5783853 N57803740 R_NOISELESS 10K R_R373 N5896484 N5896474 R_NOISELESS 100MEG R_R374 MID N5896474 R_NOISELESS 1 R_R375 MID N5896484 R_NOISELESS 1.92MEG R_R376 MID N5859234 R_NOISELESS 1 R_R377 N5905349 N5905339 R_NOISELESS 100MEG R_R378 MID N5905339 R_NOISELESS 1.42MEG R_R379 MID N5905349 R_NOISELESS 1 R_R380 MID N5296765 R_NOISELESS 1 R_R381 N5299107 N5785671 R_NOISELESS 10K R_R382 MID N5785671 R_NOISELESS 1 R_R383 MID N5299107 R_NOISELESS 6 R_R43 MID N5299111 R_NOISELESS 1 R_R46 VCC_B 0 R_NOISELESS 1 R_R47 VCC_B N5302951 R_NOISELESS 1M R_R48 N5302951 N5302475 R_NOISELESS 1MEG R_R49 N5302475 0 R_NOISELESS 1T R_R5 MID N5296613 R_NOISELESS 1 R_R50 N5302475 N5302991 R_NOISELESS 1MEG R_R51 N5302991 VEE_B R_NOISELESS 1M R_R52 VEE_B 0 R_NOISELESS 1 R_R53 VCC_CLP MID R_NOISELESS 1T R_R54 N5301563 MID R_NOISELESS 1 R_R55 N5301567 N5301563 R_NOISELESS 1M R_R56 VEE_CLP MID R_NOISELESS 1T R_R57 N5302333 MID R_NOISELESS 1 R_R58 N5302227 N5302333 R_NOISELESS 1M R_R59 N5301533 MID R_NOISELESS 1T R_R6 N5296623 N5296613 R_NOISELESS 100MEG R_R60 N5301577 MID R_NOISELESS 1 R_R61 N5301581 N5301577 R_NOISELESS 1M R_R62 N5302261 N5302369 R_NOISELESS 1M R_R63 N5302495 MID R_NOISELESS 1T R_R64 N5302369 MID R_NOISELESS 1 R_R65 N5301543 MID R_NOISELESS 1T R_R66 N5301591 MID R_NOISELESS 1 R_R67 N5301595 N5301591 R_NOISELESS 1M R_R68 N5302295 N5302405 R_NOISELESS 1M R_R69 N5302499 MID R_NOISELESS 1T R_R7 MID N5296623 R_NOISELESS 1.92MEG R_R70 N5302405 MID R_NOISELESS 1 R_R71 N5301537 VSENSE R_NOISELESS 1M R_R72 VCC_B N5303741 R_NOISELESS 1K R_R73 N5303741 N5303823 R_NOISELESS 1M R_R74 N5304593 VEE_B R_NOISELESS 1K R_R75 N5304593 N5304615 R_NOISELESS 1M R_R76 MID VCC_CLP R_NOISELESS 1K R_R77 VEE_CLP MID R_NOISELESS 1K R_R78 N5304383 MID R_NOISELESS 1 R_R79 N5304315 MID R_NOISELESS 1 R_R8 N5297947 N5297941 R_NOISELESS 1K R_R80 V11 N5304181 R_NOISELESS 100 R_R81 V12 N5304435 R_NOISELESS 100 R_R82 N5304195 MID R_NOISELESS 1 R_R83 N5304195 SW_OL_OPAx376 R_NOISELESS 100 R_RDUMMY MID N5298565 R_NOISELESS 10K R_RS_INN IN- ESDN R_NOISELESS 10M R_RS_INP IN+ ESDP R_NOISELESS 10M R_RX N5298565 N5299111 R_NOISELESS 100K R_RX1 MID N5298043 R_NOISELESS 1T R_RX2 VIMON N5298043 R_NOISELESS 100 R_RX3 MID N5297811 R_NOISELESS 1T R_RX4 VOUT_S N5297811 R_NOISELESS 100 R_R_CM1 ESDP MID R_NOISELESS 1T R_R_CM2 MID ESDN R_NOISELESS 1T V_VCM_MAX N5298335 VCC_B 100M V_VCM_MIN N5300937 VEE_B -100M V_V_GRN N5302499 MID -60 V_V_GRP N5301543 MID 40 V_V_ISCN N5302495 MID -51 V_V_ISCP N5301533 MID 33 V_V_ORN N5304303 VCLP -630M V_V_ORP N5304405 VCLP 630M X_H1 N5298565 OUT N5298043 MID BLOCK_DC_H1_OPAx376 X_H2 N5303803 N5304383 V12 MID BLOCK_DC_H2_OPAx376 X_H3 N5303747 N5304315 V11 MID BLOCK_DC_H3_OPAx376 X_S1 N5303747 CLAMP N5303747 CLAMP BLOCK_DC_S1_OPAx376 X_S2 CLAMP N5303803 CLAMP N5303803 BLOCK_DC_S2_OPAx376 X_U10 VCC_CLP VEE_CLP VOUT_S MID N5301563 N5302333 CLAMP_AMP_LO_OPAx376 PARAMS: + G=1 X_U11 N5301533 N5302495 VIMON MID N5301577 N5302369 CLAMP_AMP_LO_OPAx376 + PARAMS: G=1 X_U12 N5301543 N5302499 N5301537 MID N5301591 N5302405 CLAMP_AMP_HI_OPAx376 + PARAMS: G=10 X_U16 MID N5304195 N5304181 N5304435 OL_SENSE_OPAx376 X_U18 VIMON MID N5303741 VCC_B CLAWP_OPAx376 X_U19 MID VIMON VEE_B N5304593 CLAWN_OPAx376 X_U21 OUT VCC VEE ESD_OUT_OPAx376 X_U22 N5301581 N5302261 CL_CLAMP MID CL_SRC_OPAx376 PARAMS: GAIN=1 IPOS=240E-3 + INEG=-240E-3 X_U23 N5301595 N5302295 CLAMP MID GR_SRC_OPAx376 PARAMS: GAIN=1 IPOS=0.6E1 + INEG=-0.6E1 X_U25 SW_OL_OPAx376 MID N5298247 N5298259 SW_OL_OPAx376 X_U26 VIMON MID VCC MID IQ_SRC_OPAx376 PARAMS: GAIN=1E-3 X_U27 MID VIMON MID VEE IQ_SRC_OPAx376 PARAMS: GAIN=1E-3 X_U30 N5299343 N5300247 MID N5298735 AOL_1_OPAx376 PARAMS: GAIN=1E-4 IPOS=.5 + INEG=-.5 X_U31 N5298735 MID MID CLAMP AOL_2_OPAx376 PARAMS: GAIN=61.86E-3 IPOS=0.28 + INEG=-0.28 X_U32 N5299107 MID MID N5299111 ZO_SRC_OPAx376 PARAMS: GAIN=1667 IPOS=6.4E3 + INEG=-10E3 X_U35 N5301567 N5302227 CLAW_CLAMP MID CLAW_SRC_OPAx376 PARAMS: GAIN=1 + IPOS=80E-3 INEG=-120E-3 X_U36 MID N5298577 FEMT_OPAx376 PARAMS: NVRF=2 X_U38 N5297941 N5895272 VCC VEE VOS_SRC_OPAx376 X_U4 N5895272 N5298577 VOS_DRIFT_OPAx376 PARAMS: DC=-21.32E-06 POL=1 + DRIFT=0.32E-06 X_U41 ESDN MID FEMT_OPAx376 PARAMS: NVRF=2 X_U43 ESDP N5298577 VNSE_OPAx376 PARAMS: FLW=1 GLF=0.0473 RNV=66.6 X_U5 ESDN ESDP VCC VEE ESD_IN_OPAx376 X_U6 N5297697 MID N5299325 MID N5298335 N5300937 VCM_CLAMP_OPAx376 PARAMS: + GAIN=1 .MODEL R_NOISELESS RES (T_ABS=-273.15) .ENDS OPAx376 * .SUBCKT BLOCK_DC_H1_OPAx376 1 2 3 4 H_H1 3 4 VH_H1 1K VH_H1 1 2 0V .ENDS BLOCK_DC_H1_OPAx376 * .SUBCKT BLOCK_DC_H2_OPAx376 1 2 3 4 H_H2 3 4 VH_H2 1 VH_H2 1 2 0V .ENDS BLOCK_DC_H2_OPAx376 * .SUBCKT BLOCK_DC_H3_OPAx376 1 2 3 4 H_H3 3 4 VH_H3 -1 VH_H3 1 2 0V .ENDS BLOCK_DC_H3_OPAx376 * .SUBCKT BLOCK_DC_S1_OPAx376 1 2 3 4 S_S1 3 4 1 2 _S1 RS_S1 1 2 1G .MODEL _S1 VSWITCH ROFF=1E9 RON=10M VOFF=0.0V VON=10MV .ENDS BLOCK_DC_S1_OPAx376 * .SUBCKT BLOCK_DC_S2_OPAx376 1 2 3 4 S_S2 3 4 1 2 _S2 RS_S2 1 2 1G .MODEL _S2 VSWITCH ROFF=1E9 RON=10M VOFF=0.0V VON=10MV .ENDS BLOCK_DC_S2_OPAx376 * .SUBCKT AOL_1_OPAx376 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_OPAx376 * .SUBCKT AOL_2_OPAx376 VC+ VC- IOUT+ IOUT- PARAMS: GAIN=61.86E-3 IPOS=0.28 INEG=-0.28 G1 IOUT+ IOUT- VALUE={LIMIT(GAIN*V(VC+,VC-),INEG,IPOS)} .ENDS AOL_2_OPAx376 * .SUBCKT CLAMP_AMP_HI_OPAx376 VC+ VC- VIN COM VO+ VO- PARAMS: G=1 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)5E-3 | V(OLP,COM)>5E-3),1,0)} .ENDS OL_SENSE_OPAx376 * .SUBCKT SW_OL_OPAx376 SW_OL_OPAx376 MID CAP_L CAP_R .MODEL OL_SW VSWITCH(RON=1E-3 ROFF=1E9 VON=900E-3 VOFF=800E-3) S1 CAP_L CAP_R SW_OL_OPAx376 MID OL_SW .ENDS SW_OL_OPAx376 * .SUBCKT VCM_CLAMP_OPAx376 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_OPAx376 * .SUBCKT VNSE_OPAx376 1 2 PARAMS: FLW=1 GLF=0.0473 RNV=66.6 .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_OPAx376 * .SUBCKT VOS_DRIFT_OPAx376 VOS+ VOS- PARAMS: DC=-21.32E-06 POL=1 DRIFT=0.32E-06 E1 VOS+ VOS- VALUE={DC+POL*DRIFT*(TEMP-27)} .ENDS VOS_DRIFT_OPAx376 * .SUBCKT VOS_SRC_OPAx376 V+ V- REF+ REF- E1 V+ 1 TABLE {(V(REF+, V-))} = +(-.1, 1.1E-3) +(0.9, 1E-3) +(1, 0) +(4, 0) E2 1 V- TABLE {(V(V-, REF-))}= +(-0.1, 1E-4) +(1, 0) +(1.1, 0) .ENDS VOS_SRC_OPAx376 * .SUBCKT ZO_SRC_OPAx376 VC+ VC- IOUT+ IOUT- PARAMS: GAIN=1667 IPOS=6.4E3 INEG=-10E3 G1 IOUT+ IOUT- VALUE={LIMIT(GAIN*V(VC+,VC-),INEG,IPOS)} .ENDS ZO_SRC_OPAx376 *