This document summarizes the results of simulations performed on an operational amplifier (opamp), the NJM2734. It includes tables comparing the simulated and specified performance parameters, including output voltage swing, input offset voltage, slew rate, input current, open-loop voltage gain vs. frequency, and common-mode rejection ratio. Plots of the simulation results are provided for each parameter analyzed.

1. Device Modeling Report
COMPONENTS: OPERATIONAL AMPLIFIER
PART NUMBER: NJM2734
MANUFACTURER: NEW JAPAN RADIO
REMARK TYPE: (OPAMP)
Bee Technologies Inc.
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

2. SPice Model
A D
- +
- +
- + - +
B C
NJM2734
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

3. Output Voltage Swing
Simulation result
5.0V
2.5V
0V
-1.3V -1.0V -0.5V -0.1V
V(Vout)
Evaluation circuit V_V1
Rload
20k Vout U15
A D
- + - +
V-
V1 V+
0Vdc - + - +
0Vdc
B C
5Vdc
NJM2734
0 0
Comparison table
Output Voltage Swing Data sheet Simulation %Error
VOH 4.950 4.949 -0.020
VOL 0.050 0.050 0.000
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

4. Input Offset Voltage
Simulation result
5.0V
2.5V
0V
-10mV -5mV 0V 5mV 10mV
V(Vout)
V_Vin
Evaluation circuit
Rload
20k Vout U11
A D
- +
- +
Vi Vin
VOFF = 0 VOFF = 0
VAMPL = 0 VAMPL = 0 V+
FREQ = 0 FREQ = 0 - + - +
B C
AC = 0 AC = 0 V-
DC = 0 DC = 0 5Vdc
NJM2734
0Vdc
0 0
Comparison table
Measurement Simulation Error
Vio
1.000 mV 1.000 mV 0.000 %
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

5. Slew Rate
Simulation result
2.0V
1.0V
0V
0s 2.0us 4.0us 6.0us
V(Vout)
Time
Evaluation circuit
Rload
10k Vout U16
A D
- + - +
V1 = 0 Vi
V2 = 10
TD = 0
TR = 10n V+
TF = 10n - + - +
B C
PW = 5u
PER = 500u 5Vdc
V2
NJM2734
-1.00m
0 0
Comparison table
Data sheet Simulation %Error
Slew Rate(v/us)
0.400 0.388 -3.000
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

6. Input current
Simulation result
60nA
55nA
50nA
45nA
40nA
0s 0.5ms 1.0ms
I(Vi) I(Vin)
Time
Evaluation circuit
Rload
2k Vout U15
A D
- +
- +
Vi V+ V-
VOFF = 0 VOFF = -1.000m - + - +
B C
VAMPL = 0 Vin
FREQ = 0 5Vdc 0Vdc
AC = 0 VAMPL = 0
NJM2734
DC = 0 FREQ = 0
AC = 0
DC = 0
0 0
Comparison table
Data sheet Simulation %Error
Ib(nA) 50.000 50.235 0.470
Iio(nA) 5.000 5.051 1.020
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

7. Open Loop Voltage Gain vs. Frequency
Simulation result
100
50
0
1.0Hz 1.0KHz 1.0MHz 30MHz
DB(V(Vout)/V(Vin:+))
Frequency
Evaluation circuit
Vout U17
A D
- +
- +
Vin Vi V+
VOFF = 0 VOFF = 0
VAMPL = 0 VAMPL = 0 - + - +
V-
B C
FREQ = 0 FREQ = 0 5Vdc
AC = 1m AC = 0
DC = -1.00m DC = 0 0Vdc
NJM2734
0
Comparison table
Data sheet Simulation %Error
f-0dB(MHz) 1.000 1.028 2.800
Av-dc 85.000 86.231 1.448
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

8. Common-Mode Rejection Voltage gain
Simulation result
5.0V
2.5V
0V
0s 1.0s 2.0s 3.0s 4.0s
V(Vout)
Time
Evaluation circuit
Vout U14
A D
- +
- +
-1mVdc
V1
V+ V-
- + - +
B C
V
VOFF = 0 5Vdc 0Vdc
VAMPL = 0.5
NJM2734
FREQ = 1
AC = 0
DC = 0
0
Common Mode Reject Ratio=20490.379/4.654 = 4402.745= 72.874dB
Comparison table
Data sheet Simulation %Error
CMRR(dB)
70.000 72..950 4.105
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006