SPICE MODEL of NJM2120 in SPICE PARK. English Version is http://www.spicepark.net. Japanese Version is http://www.spicepark.com by Bee Technologies.

1. Device Modeling Report
COMPONENTS: OPERATIONAL AMPLIFIER
PART NUMBER: NJM2120
MANUFACTURER: NEW JAPAN RADIO
REMARK TYPE: (OPAMP)
Bee Technologies Inc.
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

2. Spice Model
SW V+
+IN1 +IN2
-IN1 -IN2
V- OUT
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

3. Output Voltage Swing
Simulation result
20V
0V
-20V
-15V -10V 0V 10V 15V
V(Vout)
V_V1
Evaluation circuit
U16
SW V+
+IN1 +IN2
-IN1 -IN2
V- OUT Vout
V+
V1
NJM2120
0Vdc
V- Rload2 15Vdc
10k
-15Vdc
0
Comparison table
Output Voltage Swing Data sheet Simulation %Error
VOM +/-14 +/-14 0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

4. Input Offset Voltage
Simulation result
20V
0V
-20V
0V 1.0mV 1.8mV
V(Vout)
V_Vin
Evaluation circuit
U16
SW V+
+IN1 +IN2
-IN1 -IN2
V- OUT Vout
V+
Vin NJM2120
VOFF = 0
VAMPL = 0 V- Rload2 15Vdc
FREQ = 0
AC = 0 10k
DC = 0 -15Vdc
0
Comparison table
Measurement Simulation Error
Vio
0.8 mV 0.801 mV 0.125 %
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

5. Slew Rate
Simulation result
0V
-5V
-10V
-15V
0s 5us 10us
V(Vout)
Time
Evaluation circuit
U16
SW V+
+IN1 +IN2
V1 = 0
V2 = 10 -IN1 -IN2
TD = 0 Vi
V- OUT Vout
TR = 10n V+
TF = 10n
NJM2120
PW = 5u
PER = 500u V- Rload2 15Vdc
V2 C1
2k
-0.8m -15Vdc 100p
0
Comparison table
Data sheet Simulation %Error
Slew Rate(v/us)
2.2 2.26 2.72
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

6. Input current
Simulation result
200nA
100nA
0A
0s 0.5ms 1.0ms
I(Vin)
Time
Evaluation circuit
U16
SW V+
+IN1 +IN2
-IN1 -IN2
V- OUT Vout
V+
Vin NJM2120
VOFF = -0.8m
VAMPL = 0 V- Rload2 15Vdc
FREQ = 0
AC = 0 10k
DC = 0 -15Vdc
0
Comparison table
Data sheet Simulation %Error
Ib(nA) 80 81.061 1.326
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

7. Open Loop Voltage Gain vs. Frequency
Simulation result
150
100
50
0
1.0Hz 1.0KHz 1.0MHz 30MHz
DB(V(Vout)/V(Vin:+))
Frequency
Evaluation circuit
U16
SW V+
+IN1 +IN2
-IN1 -IN2
V- OUT Vout
V+
Vin NJM2120
VOFF = 0
VAMPL = 0 V- Rload2 15Vdc
FREQ = 0
AC = 1m 2k
DC = -0.8m -15Vdc
0
Comparison table
Data sheet Simulation %Error
f-0dB(MHz) 7 6.76 -3.428
Av-dc 100 99.35 -0.65
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005