SPICE MODEL of NJM2730 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: NJM2730
MANUFACTURER: NEW JAPAN RADIO
REMARK TYPE: (OPAMP)
Bee Technologies Inc.
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

2. Spice Model
IN+ V+
GND
IN- OUT
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

3. Output Voltage Swing
Simulation result
5.0V
2.5V
0V
-0.5V 0V 0.5V 1.0V
V(Vout)
V_V1
Evaluation circuit
U24
IN+ V+
GND
IN- OUT Vout
V1 V+
NJM2730
0Vdc Rload
20K 5Vdc
0
Comparison table
Output Voltage Swing Data sheet Simulation %Error
VOH 4.95 4.949 -0.02
VOL 0.05 0.05 0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

4. Input Offset Voltage
Simulation result
5.0V
2.5V
0V
-5.0mV 0V 5.0mV
V(Vout)
V_Vin
Evaluation circuit
U24
IN+ V+
GND
IN- OUT Vout
Vin V+
NJM2730
VOFF = 0 Rload
VAMPL = 0
FREQ = 0 20K 5Vdc
AC = 0
DC = 0
0
Comparison table
Measurement Simulation Error
Vio
1 mV 1 mV 0 %
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

5. Slew Rate
Simulation result
5.0V
2.5V
0V
0s 5us 10us 15us 20us
V(Vout)
Time
Evaluation circuit
U18
IN+ V+
GND
V1 = 0 Vi Vout
V2 = 5 IN- OUT
TD = 0 V+
NJM2730
TR = 10n
TF = 10n R1
PW = 50u 5Vdc
PER = 500u 2k
-1m V2
0
Comparison table
Data sheet Simulation %Error
Slew Rate(v/us)
0.4 0.402 0.5
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

6. Input current
Simulation result
55nA
50nA
45nA
0s 0.5ns 1.0ns
I(Vin) I(Vi)
Time
Evaluation circuit
U18
IN+ V+
GND
IN- OUT Vout
Vin V+
NJM2730
VOFF = -1m Vi Rload
VAMPL = 0 VOFF = 0
FREQ = 0 VAMPL = 0 20k 5Vdc
AC = 0 FREQ = 0
DC = 0 AC = 0
DC = 0
0
Comparison table
Data sheet Simulation %Error
Ib(nA) 50 50.235 0.47
Iio(nA) 5 5.051 1.02
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

7. Open Loop Voltage Gain vs. Frequency
Simulation result
100
50
0
1.0Hz 100Hz 10KHz 1.0MHz 100MHz
DB(V(Vout)/V(Vin:+))
Frequency
Evaluation circuit
U18
IN+ V+
GND
IN- OUT Vout
V+
NJM2730
Vi Vin
VOFF = 0 VOFF = 0 RL
VAMPL = 0 VAMPL = 0 5Vdc
FREQ = 0 FREQ = 0 2K
AC = 0 AC = 1m
DC = 0 DC = -1.0m
0
Comparison table
Data sheet Simulation %Error
f-0dB(MHz) 1 1.048 4.8
Av-dc 85 86.344 1.58
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

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
U18
IN+ V+
GND
1.0mVdc V1 IN- OUT
Vout
NJM2730
V+
5Vdc
V
VOFF = 0
VAMPL = 0.5
FREQ = 1
AC = 0
DC = 0
0
Common Mode Reject Ratio=20758.692/4.672 = 4443.213= 72.95dB
Comparison table
Data sheet Simulation %Error
CMRR(dB)
70 72..95 4.214
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

9. Voltage Gain,Phase vs. Frequency
Simulation result
180d
1 2
50
100d
0 0d
-100d
-50
>>
-180d
100Hz 1.0KHz 10KHz 100KHz 1.0MHz 10MHz
1 DB(V(out)/V(in)) 2 P(V(out))
Frequency
Evaluation circuit
PARAMETERS:
CO = 0
out
U25
in IN+ V+
RF GND
2k IN- OUT
C2 R2 V+
NJM2730
V-
{CO} 2k
V2 2.5Vdc
-2.5Vdc
RG 5Vac
0Vdc
20
0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005