SPICE MODEL of uPC311G2 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: VOLTAGE COMPARATOR
PART NUMBER: uPC311G2
MANUFACTURER: NEC
Bee Technologies Inc.
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

2. BJT MODEL
Pspice model
Model description
parameter
IS Saturation Current
BF Ideal Maximum Forward Beta
CJC Zero-bias Collector-Base Junction Capacitance
TF Forward Transit Time
TR Reverse Transit Time
DIODE MODEL
Pspice model
Model description
parameter
IS Saturation Current
RS Series Resistance
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

3. Output Low Voltage
Simulation result
Simulation
Evaluation Circuit
U1
O/GND V+
IN+ O/P
+
II- - BAL/STR
V- BAL
I1 V2
V1 5
V4 8m
1.55 V3 UPC311
0
1.56
0
Comparision Table
IO = 8mA Measurement Simulation %Error
Vol (V) 0.23 0.22944 -0.243
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

4. Response time (Rise time and Transition time)
Simulation result
OUTPUT
Evaluation Circuit
U2
O/GND V+
IN+ O/P Tr
+
II- - BAL/STR
RL1
V- BAL
500 V7
V1 = -5m V5 V8
V6 UPC311
V2 = 100m 15
TD = 0
TR = 0 5
TF = 0 -15
PW = 5u
PER = 10u 0
0
Comparision Table
Measurement Simulation % Error
Rising delay time (us) 0.13 0.131465 1.127
Transition time (us) 0.12 0.119992 -0.007
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

5. Response time (Falling time)
Simulation result
OUTPUT
Evaluation Circuit
U1
O/GND V+
IN+ O/P Tf
+
II- - BAL/STR
RL
V- BAL
500 V3
15
UPC311
V2
V1 = -100m V1 V4
V2 = 5m 5
TD = 0
TR = 0 -15
TF = 0 0
PW = 5u
PER = 10u
0
Comparision Table
Measurement Simulation % Error
Falling delay time (us) 0.18 0.180730 0.406
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

6. Input Offset Voltage Characteristics
Simulation result
Simulation
Evaluation Circuit
U2
1 8
output1 O/GND V+
2 7
IN+ O/P
+
3 6
R1 II- - BAL/ST
4 5
1k V- BAL
UPC311
V3
15
V1 V2
-15
0
0
Comparision Table
Measurement Simulation %Error
Vio(mV) 2 1.9964 -0.18
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

7. Av Characteristics
Simulation result
Simulation
Evaluation Circuit
U1
output
1 8
O/GND V+
2 7
in IN+ O/P
+
3 6
R3 II- - BAL/ST
V2 4 5
1k V- BAL
1.9964m UPC311
V3
V4
V1 15
0Vdc -15
0
Av = 24.988 / 125.276u
Comparision Table
RL = 1k Measurement Simulation %Error
Av 200,000 199,464 -0.268
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

8. Input Bias Current Characteristics
Simulation result
Ib
IIO
Evaluation Circuit
U1
1 8
O/GND V+ R1
2 7
IN+ O/P
+
1k
3 6
II- - BAL/ST
4 5
V- BAL
UPC311
V1 V3
0Vdc V2 V4
-15 15
0Vdc
0
Comparision Table
Measurement Simulation % Error
Ib (nA) 100 98.872 -1.128
IIO (nA) 6 5.9586 -0.690
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005