SPICE MODEL of NJM12902 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: NJM12902
MANUFACTURER: NEW JAPAN RADIO
REMARK TYPE: (OPAMP)
Bee Technologies Inc.
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

2. Spice Model
U13
OUT1 OUT4
-IN1 -IN4
+IN1 +IN4
V+ V-
+IN2 +IN3
-IN2 -IN3
OUT2 OUT3
NJM12902_SUB
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

3. Output Voltage Swing, +Vout and –Vout
Simulation result
These simulation results are compared with +Vout
Evaluation circuit
Rload
2k Vout U13
OUT1 OUT4
-IN1 -IN4
+IN1 +IN4
V+ V-
V-
+IN2 +IN3
V1 V+
0Vdc -IN2 -IN3 0Vdc
5Vdc OUT2 OUT3
NJM12902_SUB
0 0
Output Voltage Swing Data sheet Simulation %Error
+Vout(V) 3.5 3.499 0.028
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

4. Input Offset Voltage
Simulation result
Evaluation circuit
Rload
10k Vout U9
OUT1 OUT4
-IN1 -IN4
+IN1 +IN4
V+ V-
Vi Vin
VOFF = 0 VOFF = 0 +IN2 +IN3
VAMPL = 0 VAMPL = 0 V+
FREQ = 0 FREQ = 0 -IN2 -IN3
AC = 0 AC = 0 V-
DC = 0 DC = 0 5Vdc OUT2 OUT3
NJM12902_SUB
0Vdc
0 0
Measurement Simulation Error
Vos
5 mV 4.89 mV 2.2 %
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

5. Slew Rate, +SR, -SR
Simulation result
Evaluation circuit
Rload
2k Vout U14
OUT1 OUT4
-IN1 -IN4
+IN1 +IN4
V+ V-
V1 = 0 Vi
V2 = 14
TD = 0 +IN2 +IN3
Vin TR = 10n V+ V-
VOFF = 0 TF = 10n -IN2 -IN3
VAMPL = 0 PW = 5u
FREQ = 0 PER = 500u 2.5Vdc OUT2 OUT3 -2.5Vdc
AC = 0 V2
NJM12902_SUB
DC = 0 -4.89m
0 0
Data sheet Simulation %Error
Slew Rate(v/us)
0.7V/us 0.7V/us 0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

6. Input current Ib, Ibos
Simulation result
Evaluation circuit
Rload
2k Vout U13
OUT1 OUT4
-IN1 -IN4
+IN1 +IN4
V+ V-
+IN2 +IN3
Vi
VOFF = -4.89m VOFF = 0 V+ V-
-IN2 -IN3
Vin VAMPL = 0
FREQ = 0
VAMPL = 0 AC = 0 5Vdc OUT2 OUT3 0Vdc
FREQ = 0 DC = 0
NJM12902_SUB
AC = 0
DC = 0
0 0
Data sheet Simulation %Error
Ib(nA) 20 20.1 0.5
Ibos(nA) 5 4.98 0.4
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

7. Open Loop Voltage Gain vs. Frequency , Av-dc, f-0dB
Simulation result
Evaluation circuit
Vout U15
OUT1 OUT4
-IN1 -IN4
+IN1 +IN4
V+ V-
+IN2 +IN3
Vin Vi V+
VOFF = 0 VOFF = 0 -IN2 -IN3 V-
VAMPL = 0 VAMPL = 0
FREQ = 0 FREQ = 0 5Vdc OUT2 OUT3
AC = 1m AC = 0 0Vdc
NJM12902_SUB
DC = -4.89m DC = 0
0
Data sheet Simulation %Error
f-0dB(MHz) 1.5 1.48 1.33
Av-dc(dB) 100 99.57 0.43
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

8. Output Short Circuit Current - Ios
Simulation result
Evaluation circuit
1nRload Vout U14
OUT1 OUT4
-IN1 -IN4
+IN1 +IN4
V6
V+ V-
0 +IN2 +IN3
V+
-IN2 -IN3
Vin Vi
VOFF = -4.89m VOFF = 0
VAMPL = 0 VAMPL = 0 5Vdc OUT2 OUT3 V-
FREQ = 0 FREQ = 0
NJM12902_SUB
AC = 0 AC = 0
DC = 0 DC = 0 -5Vdc
0 0
Data sheet Simulation %Error
Short Circuit Current
40mA 40.04mA 0.1
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

9. Common-Mode Rejection Voltage gain
Simulation result
Evaluation circuit
Vout U14
OUT1 OUT4
-IN1 -IN4
+IN1 +IN4
DC = 0 DC = 0
AC = 0 AC = 0 V+ V-
FREQ = 0 FREQ = 0
VAMPL = 0 VAMPL = 0 +IN2 +IN3
VOFF = 0 VOFF = 0 V+ V-
Vin Vi -IN2 -IN3
5Vdc OUT2 OUT3 0Vdc
NJM12902_SUB
V
VOFF = 0
VAMPL = 0.5
FREQ = 1
AC = 0
DC = -4.89m
0
Common mode gain=5.6236/1
Common Mode Reject Ratio=95169/5.6236=16923
Data sheet Simulation %Error
CMRR(dB)
85 84.56 0.517
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004