SPICE MODEL of NJM2138 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: NJM2138
MANUFACTURER: NEW JAPAN RADIO
REMARK TYPE: (OPAMP)
Bee Technologies Inc.
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

2. Spice Model
U14
- +
+ -
V+
V-
- +
+ -
NJM2138
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

3. Output Voltage Swing, +Vout and –Vout
Simulation result
2.0V
0V
-2.0V
-500mV 0V 500mV
V(Vout)
V_V1
Evaluation circuit
Rload
1k Vout U14
- +
+ -
V+
V-
V-
V1 V+ - +
+ -
0Vdc -2.5Vdc
2.5Vdc
NJM2138
0 0
Output Voltage Swing Data sheet Simulation %Error
+Vout(V) 1.400 1.400 0.000
-Vout(V) 1.200 1.200 0.000
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

4. Input Offset Voltage
Simulation result
2.0V
0V
-2.0V
0V 0.5mV 1.0mV 1.5mV 2.0mV
V(Vout)
V_Vin
Evaluation circuit
Rload
1k Vout U14
- +
+ -
V+
V-
Vi Vin
VOFF = 0 VOFF = 0
VAMPL = 0 VAMPL = 0 V+ - +
+ -
FREQ = 0 FREQ = 0
AC = 0 AC = 0 V-
DC = 0 DC = 0 2.5Vdc
NJM2138
-2.5Vdc
0 0
Measurement Simulation Error
Vos
1.000 mV 1.014 mV 1.400 %
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

5. Slew Rate, +SR, -SR
Simulation result
2.0V
1.0V
0V
-1.0V
0s 50ns 100ns
V(Vout)
Time
Evaluation circuit
Vout U14
- +
+ -
V+
V-
V1 = 0 Vi
V2 = 14
TD = 0
TR = 10n V+ - + V-
+ -
TF = 10n
PW = 5u
PER = 500u 2.5Vdc -2.5Vdc
V2
NJM2138
-1.014m
0
Data sheet Simulation %Error
Slew Rate(v/us)
45.000V/us 44.600V/us -0.889
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

6. Input current Ib, Ibos
Simulation result
510nA
500nA
490nA
480nA
0s 0.5ms 1.0ms
I(Vi) I(Vin)
Time
Evaluation circuit
Rload
2k Vout U14
- +
+ -
V+
V-
VOFF = -1.014m
Vi Vin
VOFF = 0
VAMPL = 0 VAMPL = 0 V+ - + V-
+ -
FREQ = 0 FREQ = 0
AC = 0 AC = 0
DC = 0 DC = 0 2.5Vdc -2.5Vdc
NJM2138
0 0
Data sheet Simulation %Error
Ib(nA) 500.000 498.045 -0.391
Ibos(nA) 20.000 20.831 4.155
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

7. Open Loop Voltage
Simulation result
80
40
0
1.0KHz 10KHz 1.0MHz 100MHz
DB(V(Vout)/V(Vin:+))
Frequency
Evaluation circuit
R1 Vout U14
10k
- +
+ -
V+
V-
Vin Vi V+ - +
+ -
VOFF = 0 VOFF = 0 V-
VAMPL = 0 VAMPL = 0
FREQ = 0 FREQ = 0 2.5Vdc
AC = 1m AC = 0 -2.5Vdc
NJM2138
DC = -1.014m DC = 0
0 0
Data sheet Simulation %Error
Av-dc(dB) 75.000 74.055 -1.260
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

8. Unity Gain Bandwidth
Simulation result
50
25
0
-10
10KHz 100KHz 1.0MHz 10MHz 100MHz
DB(V(Vout)/V(Vi:+))
Frequency
Evaluation circuit
Vout U17
R2 - +
+ -
C1 100k
10p
V+
V-
Vi
R1 VOFF = 0
VAMPL = 0 - +
1k FREQ = 0 + -
V+ V-
AC = 1m
DC = -5.697m 2.5Vdc
-2.5Vdc
NJM2138
0 0
Data sheet Simulation %Error
f-0dB(MHz) 40.000 40.561 1.403
Av-dc(dB) 40.000 40.077 0.192
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

9. Common-Mode Rejection Voltage gain
Simulation result
400mV
0V
-400mV
V(IN)
2.0V
0V
SEL>>
-2.0V
0s 1.0s 2.0s 3.0s 4.0s
V(Vout)
Time
Evaluation circuit
Vout U14
- +
+ -
V1
V+
V-
-1.014mVdc
V+ - + V-
+ -
VIN
2.5Vdc -2.5Vdc
V NJM2138
VOFF = 0
VAMPL = 0.25
FREQ = 1
AC = 0
DC = 0
0
Common Mode Reject Ratio=5043.7/(2.485/0.5)=1014.83
Data sheet Simulation %Error
CMRR
60.000 60.127 0.212
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005