SPICE MODEL of NJM2712 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: NJM2712
MANUFACTURER: NEW JAPAN RADIO
REMARK TYPE: (OPAMP)
Bee Technologies Inc.
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

2. Spice Model
+ -
+ -
NJM2712
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

3. Output Voltage Swing
Simulation result
2.0V
0V
-2.0V
-2.0V -1.0V 0V 1.0V 2.0V
V(Vout)
V_V1
Evaluation circuit
Rload
10K Vout U21
+ -
+ -
V1
0Vdc
V+
NJM2712
V-
2.5Vdc
-2.5Vdc
0 0
Output Voltage Swing Data sheet Simulation %Error
+Vout(V) 1.500 1.500 0.000
-Vout(V) -1.500 -1.500 0.000
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

4. Input Offset Voltage
Simulation result
2.0V
0V
-2.0V
0.23mV 2.00mV 4.00mV
V(Vout)
V_Vin
Evaluation circuit
Rload
10k Vout U15
+ -
+ -
Vi Vin V+
NJM2712
VOFF = 0 VOFF = 0
VAMPL = 0 VAMPL = 0 V-
FREQ = 0 FREQ = 0 2.5Vdc
AC = 0 AC = 0
DC = 0 DC = 0 -2.5Vdc
0 0
Measurement Simulation Error
Vos
2.000 mV 2.000 mV 0.000 %
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

5. Slew Rate
Simulation result
1.8V
1.0V
0V
-1.0V
-1.9V
3.3ns 10.0ns 20.0ns 30.0ns 35.9ns
V(Vout)
Time
Evaluation circuit
C1
Rf
1k Vout U14
10p
+ -
RG
+ -
1k
V1 = 0 Vi
V2 = 10 V+
NJM2712
TD = 0
TR = 10n V-
TF = 10n 2.5Vdc
PW = 5u
PER = 500u -2.5Vdc
V2
-2m
0
0
Data sheet Simulation %Error
Slew Rate(v/us)
260.000 270.000 3.846
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

6. Input current
Simulation result
2.2uA
2.0uA
1.8uA
0s 0.5ms 1.0ms
I(Vi) I(Vin)
Time
Evaluation circuit
Rload
2k Vout U19
+ -
+ -
Vi Vin V+
NJM2712
VOFF = 0 VOFF = -2m
VAMPL = 0 VAMPL = 0 V-
FREQ = 0 FREQ = 0 2.5Vdc
AC = 0 AC = 0
DC = 0 DC = 0 -2.5Vdc
0 0
Data sheet Simulation %Error
Ib(nA) 2.000 1.988 -0.600
Ibos(nA) 350.000 348.416 -0.453
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

7. Open Loop Voltage Gain vs. Frequency
Simulation result
80
40
0
10KHz 1.0MHz 100MHz
DB(V(Vout)/V(Vin:+))
Frequency
Evaluation circuit
RL Vout U21
2k + -
+ -
V+
NJM2712
V-
Vin Vi 2.5Vdc
VOFF = 0 VOFF = 0
VAMPL = 0 VAMPL = 0 -2.5Vdc
FREQ = 0 FREQ = 0
AC = 1m AC = 0
DC = -2m DC = 0
0
0
Data sheet Simulation %Error
f-0dB(MHz) 180.000 180.211 0.117
Av-dc(dB) 75.000 74.558 -0.589
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006

8. Common-Mode Rejection Voltage gain
Simulation result
4.0V
0V
-4.0V
15s 16s 17s 18s
V(Vout)
Time
Evaluation circuit
Vout
+ -
+ -
2mVdc V1
V+
NJM2712
V-
V 4.5Vdc
VOFF = 0
VAMPL = 0.5 -4.5Vdc
FREQ = 1
AC = 0
DC = 0
0
Common Mode Reject Ratio=5344.412/5.625=950.117
Data sheet Simulation %Error
CMRR(dB)
60.000 59.555 -0.740
All Rights Reserved Copyright (c) Bee Technologies Inc. 2006