SPICE MODEL of LM111J/883 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 : LM111J/883
MANUFACTURER : NATIONAL
Bee Technologies Inc.
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

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. 2004

3. Output Low Voltage
Simulation result
Simulation
Evaluation Circuit
U1
NC NC
GND NC
IN+ NC
+
IN- V+
-
NC NC
V- O/P
V1 V2
V4 BAL BAL/STR
1.55 V3
I1
1.56 15
LM111J
50m
-15
0
Compasion Table
IO = 50mA Measurement Simulation %Error
Vol (V) 0.75 0.752605 0.347
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

4. Response time (Rise time and Transition time)
Simulation result
OUTPUT
Evaluation Circuit
U2
NC NC
GND NC
IN+ NC
+
IN- V+
-
NC NC
V- O/P
Tr
V1 = -5m V5 BAL BAL/STR V7
V2 = 100m V6 RL1
TD = 0
TR = 0 500 15
LM111J
TF = 0 -15
PW = 5u
PER = 10u V8
5
0
Compasion Table
Measurement Simulation % Error
Rising delay time (us) 0.125 0.123911 -0.871
Transition time (us) 0.125 0.125460 0.368
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

5. Response time (Falling time)
Simulation result
OUTPUT
Evaluation Circuit
U1
NC NC
GND NC
IN+ NC
+
IN- V+
-
NC NC
V- O/P
Tf
BAL BAL/STR
V3
V1 = -100m V1 V4 RL
LM111J
V2 = 5m 15
TD = 0 500
TR = 0 -15
TF = 0 V2
PW = 5u
PER = 10u
5
0
Compasion Table
Measurement Simulation % Error
Falling delay time (us) 0.175 0.175134 0.077
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

6. Input Offset Voltage Characteristics
Simulation result
Simulation
Evaluation Circuit
U1
NC NC
GND NC
output1
IN+ NC
+
IN- V+
-
R1
NC NC
1k
V- O/P
BAL BAL/STR
V3
LM111J
15
V1 V2
-15
0
0
Compasion Table
Measurement Simulation %Error
Vio(mV) 0.7 0.696510 -0.499
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

7. Av Characteristics
Simulation result
Simulation
Evaluation Circuit
U1
NC NC
output
GND NC
IN+ NC
in
+
IN- V+
-
R3
V2 NC NC
1k
V- O/P
0.696510m
BAL BAL/STR
V3
V4
V1 15
LM111J
0Vdc -15
0
Av = 24.880 / 124.633u
Compasion Table
RL = 1k Measurement Simulation %Error
Av (V/mV) 200 199.626 -0.187
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

8. Input Bias Current Characteristics
Simulation result
Ib
IIO
Evaluation Circuit
U1
NC NC
GND NC
IN+ NC
+
IN- V+
-
NC NC
R1
V- O/P
V1 V2 BAL BAL/STR 1k
V4 V3
0Vdc 0Vdc
LM111J
15
-15
0
Compasion Table
Measurement Simulation % Error
Ib (nA) 60 60.048 0.080
IIO (nA) 4 3.9812 -0.470
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004