Device Modeling Report




COMPONENTS: OPERATIONAL AMPLIFIER
PART NUMBER: NJM2141
MANUFACTURER: NEW JAPAN RADIO
REMARK TYPE: (OPAMP)




               Bee Technologies Inc.




All Rights Reserved Copyright (c) Bee Technologies Inc. 2006
Spice Model

                                   A

                                  - +
                                         B
                                        - +




                               NJM2141




       All Rights Reserved Copyright (c) Bee Technologies Inc. 2006
Output Voltage Swing

Simulation result

           5.0V




             0V




         -5.0V
            -5.0V                                       0V                                  5.0V
                V(Vout)
                                                    V_V1


Evaluation circuit


                           Rload
                           10K             Vout

                                                              A

                                                             - +
                                                                    B
                                                                   - +
                                      V1
                               0Vdc

                                                                                       V+
                                                        NJM2141
                                                   V-
                                                                                       5Vdc

                                                  -5Vdc




                     0     0




 Output Voltage Swing              Data sheet                           Simulation            %Error
      +Vout(V)                            5.000                                4.943              1.140
       -Vout(V)                           4.500                                4.444              1.240




           All Rights Reserved Copyright (c) Bee Technologies Inc. 2006
Input Offset Voltage

Simulation result


         5.0V




           0V




        -5.0V


           -6.40mV   -6.25mV                   -6.00mV                  -5.75mV
                V(Vout)
                                                V_Vin



Evaluation circuit


                             Rload
                             10k              Vout    U13

                                                             A

                                                            - +
                                                                   B
                                                                  - +




                            Vin          Vi                                       V+
                                                      NJM2141
                VOFF = 0     VOFF = 0
                VAMPL = 0    VAMPL = 0                V-
                FREQ = 0     FREQ = 0                                             5Vdc
                AC = 0       AC = 0
                DC = 0       DC = 0                  -5Vdc




                 0           0




                            Measurement                          Simulation           Error
        Vos
                             6.000    mV                         6.022      mV     0.381    %




           All Rights Reserved Copyright (c) Bee Technologies Inc. 2006
Slew Rate

Simulation result

         2.0V




           0V




        -2.5V




        -5.0V
                0s                        1.0us                        2.0us    3.0us
                     V(Vout)
                                                        Time


Evaluation circuit

                                Rload
                                2k                 Vout    U18

                                                                  A

                                                                 - +
                                                                        B
                                                                       - +

                V1 = 0         Vi
                V2 = 10
                TD = 0                                                              V+
                TR = 10n            Vin                    NJM2141
                TF = 10n                     VOFF = 0
                PW = 5u                     VAMPL = 0      V-                      5Vdc
                PER = 500u                   FREQ = 0
                               V2              AC = 0
                -6.0229m                       DC = 0     -5Vdc




                 0              0




                               Data sheet                       Simulation         %Error
Slew Rate(v/us)
                                       3.000                            3.110            3.700




           All Rights Reserved Copyright (c) Bee Technologies Inc. 2006
Input current

Simulation result


           84nA




           80nA




           76nA
                  0s                                     0.5ms                     1.0ms
                       I(Vi)       I(Vin)
                                                         Time



Evaluation circuit


                               Rload
                               2k                 Vout           U17

                                                                        A

                                                                       - +
                                                                              B
                                                                             - +




                          Vi                Vin                                       V+
                                                                 NJM2141
               VOFF = 0 VOFF = -6.0229m
               VAMPL = 0     VAMPL = 0                    V-
               FREQ = 0      FREQ = 0                                                5Vdc
               AC = 0        AC = 0
               DC = 0        DC = 0                      -5Vdc




                  0            0




                               Data sheet                      Simulation          %Error
     Ib(nA)                           80.000                          80.200             0.250
    Ibos(nA)                           5.000                           5.011             0.230




           All Rights Reserved Copyright (c) Bee Technologies Inc. 2006
Open Loop Voltage Gain vs. Frequency

Simulation result

           120



           100




            50




             0


            1.0Hz                1.0KHz                                            1.0MHz   30MHz
                DB(V(Vout)/V(Vin:+))
                                     Frequency


Evaluation circuit


                                                    Vout         U19

                                                                        A

                                                                       - +
                                                                              B
                                                                             - +




                                                                                                    V+
                                                                 NJM2141
                             Vin               Vi           V-
              VOFF = 0             VOFF = 0                                                     5Vdc
              VAMPL = 0            VAMPL = 0
              FREQ = 0             FREQ = 0                -5Vdc
              AC = 1m              AC = 0
             DC = -6.0229m         DC = 0




                              0




                             Data sheet                     Simulation                      %Error
   f-0dB(MHz)                        8.000                          7.870                         2.375
    Av-dc(dB)                      100.000                         99.610                         0.390




           All Rights Reserved Copyright (c) Bee Technologies Inc. 2006
Common-Mode Rejection Voltage gain

Simulation result

            2.0V




              0V




           -2.0V
                   0s                 1.0s                   2.0s             3.0s       4.0s
                        V(Vout)
                                                             Time


Evaluation circuit

                                              Vout    U17

                                                             A

                                                            - +
                                                                   B
               -6.0229mVdc     V1                                 - +




                                                                                       V+
                                                      NJM2141
                                                      V-
                                          V                                            5Vdc
                        VOFF = 0
                        VAMPL = 0.5                  -5Vdc
                        FREQ = 1
                        AC = 0
                        DC = 0



                                      0



Common Mode Reject Ratio=95609/2.9671=32223


                                      Data sheet                        Simulation            %Error
        CMRR
                                               90.000                         90.163              0.181




           All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

SPICE MODEL of NJM2141 in SPICE PARK

  • 1.
    Device Modeling Report COMPONENTS:OPERATIONAL AMPLIFIER PART NUMBER: NJM2141 MANUFACTURER: NEW JAPAN RADIO REMARK TYPE: (OPAMP) Bee Technologies Inc. All Rights Reserved Copyright (c) Bee Technologies Inc. 2006
  • 2.
    Spice Model A - + B - + NJM2141 All Rights Reserved Copyright (c) Bee Technologies Inc. 2006
  • 3.
    Output Voltage Swing Simulationresult 5.0V 0V -5.0V -5.0V 0V 5.0V V(Vout) V_V1 Evaluation circuit Rload 10K Vout A - + B - + V1 0Vdc V+ NJM2141 V- 5Vdc -5Vdc 0 0 Output Voltage Swing Data sheet Simulation %Error +Vout(V) 5.000 4.943 1.140 -Vout(V) 4.500 4.444 1.240 All Rights Reserved Copyright (c) Bee Technologies Inc. 2006
  • 4.
    Input Offset Voltage Simulationresult 5.0V 0V -5.0V -6.40mV -6.25mV -6.00mV -5.75mV V(Vout) V_Vin Evaluation circuit Rload 10k Vout U13 A - + B - + Vin Vi V+ NJM2141 VOFF = 0 VOFF = 0 VAMPL = 0 VAMPL = 0 V- FREQ = 0 FREQ = 0 5Vdc AC = 0 AC = 0 DC = 0 DC = 0 -5Vdc 0 0 Measurement Simulation Error Vos 6.000 mV 6.022 mV 0.381 % All Rights Reserved Copyright (c) Bee Technologies Inc. 2006
  • 5.
    Slew Rate Simulation result 2.0V 0V -2.5V -5.0V 0s 1.0us 2.0us 3.0us V(Vout) Time Evaluation circuit Rload 2k Vout U18 A - + B - + V1 = 0 Vi V2 = 10 TD = 0 V+ TR = 10n Vin NJM2141 TF = 10n VOFF = 0 PW = 5u VAMPL = 0 V- 5Vdc PER = 500u FREQ = 0 V2 AC = 0 -6.0229m DC = 0 -5Vdc 0 0 Data sheet Simulation %Error Slew Rate(v/us) 3.000 3.110 3.700 All Rights Reserved Copyright (c) Bee Technologies Inc. 2006
  • 6.
    Input current Simulation result 84nA 80nA 76nA 0s 0.5ms 1.0ms I(Vi) I(Vin) Time Evaluation circuit Rload 2k Vout U17 A - + B - + Vi Vin V+ NJM2141 VOFF = 0 VOFF = -6.0229m VAMPL = 0 VAMPL = 0 V- FREQ = 0 FREQ = 0 5Vdc AC = 0 AC = 0 DC = 0 DC = 0 -5Vdc 0 0 Data sheet Simulation %Error Ib(nA) 80.000 80.200 0.250 Ibos(nA) 5.000 5.011 0.230 All Rights Reserved Copyright (c) Bee Technologies Inc. 2006
  • 7.
    Open Loop VoltageGain vs. Frequency Simulation result 120 100 50 0 1.0Hz 1.0KHz 1.0MHz 30MHz DB(V(Vout)/V(Vin:+)) Frequency Evaluation circuit Vout U19 A - + B - + V+ NJM2141 Vin Vi V- VOFF = 0 VOFF = 0 5Vdc VAMPL = 0 VAMPL = 0 FREQ = 0 FREQ = 0 -5Vdc AC = 1m AC = 0 DC = -6.0229m DC = 0 0 Data sheet Simulation %Error f-0dB(MHz) 8.000 7.870 2.375 Av-dc(dB) 100.000 99.610 0.390 All Rights Reserved Copyright (c) Bee Technologies Inc. 2006
  • 8.
    Common-Mode Rejection Voltagegain Simulation result 2.0V 0V -2.0V 0s 1.0s 2.0s 3.0s 4.0s V(Vout) Time Evaluation circuit Vout U17 A - + B -6.0229mVdc V1 - + V+ NJM2141 V- V 5Vdc VOFF = 0 VAMPL = 0.5 -5Vdc FREQ = 1 AC = 0 DC = 0 0 Common Mode Reject Ratio=95609/2.9671=32223 Data sheet Simulation %Error CMRR 90.000 90.163 0.181 All Rights Reserved Copyright (c) Bee Technologies Inc. 2006