The document provides a device modeling report for an operational amplifier with part number UPC324C from manufacturer NEC Electronics. It includes simulation results that characterize the op-amp's output voltage swing, input offset voltage, slew rate, input bias current, open loop voltage gain, output short circuit current, and common mode rejection ratio. The simulations compare measured values from the op-amp datasheet to verify the accuracy of the developed SPICE model.

1. Device Modeling Report
COMPONENTS: OPERATIONAL AMPLIFIER
PART NUMBER: uPC324C
MANUFACTURER: NEC ELECTRONICS
REMARK TYPE: (OPAMP)
Bee Technologies Inc.
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

2. U12
1 14
Spice Model
OUT1 OUT4
2 13
-IN1 -IN4
3 12
+IN1 +IN4
4 11
VCC VEE
5 10
+IN2 +IN3
6 9
-IN2 -IN3
7 8
OUT2 OUT3
UPC324
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

3. Output Voltage Swing, +Vout and –Vout
Evaluation circuit
Rload
2k Vout U12 Vout4
1 14
OUT1 OUT4
2 13
-IN1 -IN4
3 12
+IN1 +IN4
0 4 11
VCC VEE
5 10
V1 V+ V2 +IN2 +IN3
0Vdc 6 9
0Vdc -IN2 -IN3
5Vdc 7 8 V3
OUT2 OUT3 0Vdc V4
Vout2 Vout3 0Vdc
UPC324
0
The output voltage change of Opamp(open loop) when input DC voltage
(Vin -Vi) is changed with the evaluation circuit is simulated
Simulation result
These simulation results are compared with +Vout
Output Voltage Swing Data sheet Simulation %Error
+Vout(V) 3.5 3.4993 0.02
-Vout(V) 0 0 0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

4. Input Offset Voltage
Evaluation circuit
Rload
2k Vout U12 Vout4
1 14
OUT1 OUT4
2 13
-IN1 -IN4
3 12
+IN1 +IN4
0 4 11 Vin4
VCC VEE VOFF = 0
Vin
VOFF = 0 5 10 VAMPL = 0
VAMPL = 0 V+ +IN2 +IN3 FREQ = 0
FREQ = 0 6 9 Vi3 AC = 0
AC = 0 -IN2 -IN3 VOFF = 0 DC = 0
Vin2
DC = 0 5Vdc VOFF = 0 7 8 VAMPL = 0
VAMPL = 0 OUT2 OUT3 FREQ = 0
Vi Vi4
VOFF = 0 FREQ = 0 Vout2 Vout3 AC = 0 VOFF = 0
UPC324
VAMPL = 0 AC = 0 DC = 0 VAMPL = 0
FREQ = 0 DC = 0 Vin3 FREQ = 0
AC = 0 Vi2 VOFF = 0 AC = 0
DC = 0 VOFF = 0 VAMPL = 0 DC = 0
VAMPL = 0 FREQ = 0
FREQ = 0 AC = 0
AC = 0 DC = 0
DC = 0
0
Simulation result
Measurement Simulation Error
Vos 7 mV 6.9402 mV 0.854 %
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

5. Slew Rate, +SR, -SR
Evaluation circuit
Rload
2k Vout U12 Vout4
1 14
OUT1 OUT4
2 13
-IN1 -IN4
3 12
+IN1 +IN4
0 4 11 Vin4
VCC VEE
V1 = 0 Vin
V2 = 13 5 10
TD = 0 V+ +IN2 +IN3
TR = 10n 6 9 Vi3 V1 = 0
TF = 10n -IN2 -IN3 VOFF = 0 V2 = 13
V1 = 0 Vin2
PW = 5u 5Vdc V2 = 13 7 8 VAMPL = 0 TD = 0 Vof f 4
PER = 500u Vof f TD = 0 OUT2 OUT3 FREQ = 0
Vi Vi4 TR = 10n
-6.9402m VOFF = 0 TR = 10n Vout2 Vout3 AC = 0 VOFF = 0 TF = 10n -6.9402m
UPC324
VAMPL = 0 TF = 10n V1 = 0 Vin3 DC = 0 VAMPL = 0 PW = 5u
FREQ = 0 PW = 5u V2 = 13 FREQ = 0 PER = 500u
AC = 0 Vi2 PER = 500u Vof f 2 TD = 0 Vof f 3 AC = 0
DC = 0 VOFF = 0 -6.9402m TR = 10n DC = 0
VAMPL = 0 TF = 10n -6.9402m
FREQ = 0 PW = 5u
AC = 0 PER = 500u
DC = 0
0
The output voltage change versus time (slope) of op-amp when input electric
step voltage.
Simulation result
Output voltage change 0.25V in 1 us (If no good can change C2 of Spice
Model Editor)
Data sheet Simulation %Error
Slew Rate(v/us)
0.25 0.24 4
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

6. Input current Ib, Ibos
Evaluation circuit
Rload
2k Vout U12 Vout4
1 14
OUT1 OUT4
2 13
-IN1 -IN4
3 12
+IN1 +IN4
0 4 11 Vin4
VCC VEE VOFF = -6.9402m
Vin
VOFF = -6.9402m 5 10 VAMPL = 0
VAMPL = 0 V+ +IN2 +IN3 FREQ = 0
FREQ = 0 6 9 Vi3 AC = 0
AC = 0 -IN2 -IN3 VOFF = 0 DC = 0
Vin2
DC = 0 5VdcVOFF = -6.9402m 7 8 VAMPL = 0
VAMPL = 0 OUT2 OUT3 FREQ = 0
Vi Vi4
VOFF = 0 FREQ = 0 Vout2 Vout3 AC = 0 VOFF = 0
UPC324
VAMPL = 0 AC = 0 DC = 0 VAMPL = 0
FREQ = 0 DC = 0 Vin3 FREQ = 0
AC = 0 Vi2 VOFF = -6.9402m AC = 0
DC = 0 VOFF = 0 VAMPL = 0 DC = 0
VAMPL = 0 FREQ = 0
FREQ = 0 AC = 0
AC = 0 DC = 0
DC = 0
0
The input offset current when supply voltage to op-amp
Simulation result
Data sheet Simulation %Error
Ib(nA) 45 45.42 0.933
Ibos(nA) 5 4.97 0.6
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

7. Open Loop Voltage Gain vs. Frequency , Av-dc, f-0dB
Evaluation circuit
Vout U12 Vout4
1 14
OUT1 OUT4
2 13
-IN1 -IN4
3 12
+IN1 +IN4
4 11 Vin4
VCC VEE VOFF = 0
Vin
VOFF = 0 5 10 VAMPL = 0
VAMPL = 0 V+ +IN2 +IN3 FREQ = 0
FREQ = 0 6 9 Vi3 AC = 1m
AC = 1m -IN2 -IN3 VOFF = 0 DC = -6.9402m
Vin2
DC = -6.9402m 5Vdc VOFF = 0 7 8 VAMPL = 0
VAMPL = 0 OUT2 OUT3 FREQ = 0
Vi Vi4
VOFF = 0 FREQ = 0 Vout2 Vout3 AC = 0 VOFF = 0
UPC324
VAMPL = 0 AC = 1m DC = 0 VAMPL = 0
FREQ = 0 DC = -6.9402m Vin3 FREQ = 0
AC = 0 Vi2 VOFF = 0 AC = 0
DC = 0 VOFF = 0 VAMPL = 0 DC = 0
VAMPL = 0 FREQ = 0
FREQ = 0 AC = 1m
AC = 0 DC = -6.9402m
DC = 0
0
The open loop voltage gain of op-amp when supply AC input voltage 3MHz
frequecy
Simulation result
Data sheet Simulation %Error
f-0dB(MHz) 0.3 0.306 2
Av-dc 100000 93680 6.32
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

8. Output Short Circuit Current - Ios
Evaluation circuit
Rload
1 Vout U12 Vout4
1 14
V6 OUT1 OUT4
2 13
-IN1 -IN4
0 3 12
+IN1 +IN4
4 11 Vin4
VCC VEE VOFF = -6.9402m
Vin
VOFF = -6.9402m 5 10 VAMPL = 0
VAMPL = 0 V+ +IN2 +IN3 FREQ = 0
FREQ = 0 6 9 Vi3 AC = 0
0 AC = 0 Vin2
-IN2 -IN3 VOFF = 0 DC = 0
DC = 0 5VdcVOFF = -6.9402m 7 8 VAMPL = 0
VAMPL = 0 OUT2 OUT3 FREQ = 0
Vi Vi4
VOFF = 0 FREQ = 0 Vout2 Vout3 AC = 0 VOFF = 0
UPC324
VAMPL = 0 AC = 0 DC = 0 VAMPL = 0
FREQ = 0 DC = 0 Vin3 FREQ = 0
AC = 0 Vi2 VOFF = -6.9402m AC = 0
DC = 0 VOFF = 0 VAMPL = 0 DC = 0
VAMPL = 0 FREQ = 0
FREQ = 0 AC = 0
AC = 0 DC = 0
DC = 0
0
Simulation result
Short Circuit current
Data sheet Simulation %Error
Short Circuit Current
40mA 40.047mA 0.117
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

9. Common-Mode Rejection Voltage gain
Evaluation circuit
Vout U12 Vout4
1 14
OUT1 OUT4
2 13
-IN1 -IN4
3 12
+IN1 +IN4
4 11 Vin4
VCC VEE VOFF = 0
Vin
VOFF = 0 5 10 VAMPL = 0
VAMPL = 0 V+ +IN2 +IN3 FREQ = 0
FREQ = 0 6 9 Vi3 AC = 0
AC = 0 -IN2 -IN3 VOFF = 0 DC = 0
Vin2
DC = 0 5Vdc VOFF = 0 7 8 VAMPL = 0
VAMPL = 0 OUT2 OUT3 FREQ = 0
Vi Vi4
VOFF = 0 FREQ = 0 Vout2 Vout3 AC = 0 VOFF = 0
UPC324
VAMPL = 0 AC = 0 DC = 0 VAMPL = 0
FREQ = 0 DC = 0 Vin3 FREQ = 0
AC = 0 Vi2 VOFF = 0 AC = 0
DC = 0 VOFF = 0 VAMPL = 0 DC = 0
VAMPL = 0 FREQ = 0
FREQ = 0 AC = 0
AC = 0 DC = 0
DC = 0
V
VOFF = 0
VAMPL = 0.5
FREQ = 1
AC = 0
DC = -6.0195m
0
Simulation result
Common mode gain=1/0.1778
Common Mode Reject Ratio=93680/5.6234=16659
Data sheet Simulation %Error
CMRR
17782 16659 6.315
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004