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关于ADA4898在PSPice中仿真的问题。

121670494@qq.com 在 2017-12-20 詢問的問題
最後回覆由121670494@qq.com於2017-12-26提供

我最近在使用贵公司生产的型号为ADA4898的运算放大器进行PSPice仿真。但是,进行仿真的时候软件一直在报错。我想咨询一下,我的仿真方案要如何修改才可以仿真?以下是我的仿真方案:

仿真电路图:

仿真设置:

错误提示:

 

**** 12/20/17 10:01:13 ***** PSpice 16.6.0 (October 2012) ***** ID# 0 ********

 

** Profile: "SCHEMATIC1-ADA4898"  [ F:\cadence\ada4898-pspicefiles\schematic1\ada4898.sim ]

****     CIRCUIT DESCRIPTION

******************************************************************************

** Creating circuit file "ADA4898.cir"

** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS

*Libraries:

* Profile Libraries :

* Local Libraries :

.LIB "C:/Users/adminstrator/Desktop/ada4817.lib"

.LIB "C:/Users/adminstrator/Desktop/ad797.lib"

.LIB "C:/Users/adminstrator/Desktop/ada4898.lib"

* From [PSPICE NETLIST] section of C:\Users\adminstrator\AppData\Roaming\SPB_Data\cdssetup\OrCAD_PSpice/16.6.0/PSpice.ini file:

.lib "nom.lib"

*Analysis directives:

.TRAN  0 1ms 0 1000ns

.OPTIONS ADVCONV

.OPTIONS ABSTOL= 0.001

.OPTIONS ITL1= 1000

.OPTIONS ITL2= 1000

.OPTIONS ITL4= 1000

.OPTIONS RELTOL= 0.05

.OPTIONS VNTOL= 4.5e-5

.PROBE64 V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*))

.INC "..\SCHEMATIC1.net"

**** INCLUDING SCHEMATIC1.net ****

* source ADA4898

V_V3         VIN 0  AC 0

+SIN 1mV 1mV 100kHz 0 0 0

X_U1         N10500 N11940 VCC VSS VOUT VCC ADA4898

V_V1         VCC 0 +15V

V_V2         0 VSS +15V

R_R14         N10500 VIN  50 TC=0,0

R_R15         N11940 VOUT  50 TC=0,0

R_R16         0 N11940  50 TC=0,0

**** RESUMING ADA4898.cir ****

.END

ERROR(ORPSIM-15157): |VON - VOFF| too small for VSWITCH model X_U1.Switch.

**** 12/20/17 10:01:13 ***** PSpice 16.6.0 (October 2012) ***** ID# 0 ********

** Profile: "SCHEMATIC1-ADA4898"  [ F:\cadence\ada4898-pspicefiles\schematic1\ada4898.sim ]

****     Diode MODEL PARAMETERS

******************************************************************************

               X_U1.diode      X_U1.DzVoutP    X_U1.DzVoutN    X_U1.DzSlewP   

          IS   10.000000E-15   10.000000E-15   10.000000E-15   10.000000E-15

          BV  100               4.3             4.3            20.596       

               X_U1.DzSlewN    X_U1.DVnoisy    X_U1.DINnoisy   X_U1.DIPnoisy 

          IS   10.000000E-15   29.700000E-18  216.000000E-18  216.000000E-18

          BV   20.596                                                       

          KF                    5.930000E-18    5.330000E-18    5.330000E-18

**** 12/20/17 10:01:13 ***** PSpice 16.6.0 (October 2012) ***** ID# 0 ********

** Profile: "SCHEMATIC1-ADA4898"  [ F:\cadence\ada4898-pspicefiles\schematic1\ada4898.sim ]

****     Resistor MODEL PARAMETERS

******************************************************************************

               X_U1.Rideal   

  T_Measured   27           

   T_Current -273           

           R    1           

**** 12/20/17 10:01:13 ***** PSpice 16.6.0 (October 2012) ***** ID# 0 ********

** Profile: "SCHEMATIC1-ADA4898"  [ F:\cadence\ada4898-pspicefiles\schematic1\ada4898.sim ]

****     Voltage Controlled Switch MODEL PARAMETERS

******************************************************************************

               X_U1.Switch   

         RON    1.000000E-03

        ROFF    1.000000E+06

         VON    1.005       

        VOFF     .995       

          JOB ABORTED

**** 12/20/17 10:01:13 ***** PSpice 16.6.0 (October 2012) ***** ID# 0 ********

** Profile: "SCHEMATIC1-ADA4898"  [ F:\cadence\ada4898-pspicefiles\schematic1\ada4898.sim ]

****     JOB STATISTICS SUMMARY

******************************************************************************

  Total job time                    =         .02

結果