SPICE MODEL of NJM2901 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: NJM2901
MANUFACTURER: NEW JAPN RADIO
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
BOUT COUT
AOUT DOUT
VOL
V+ A D GND
- + - +
A-IN D+IN
V1 A+IN D-IN
B-IN B C C+IN
V2 1 - + - +
B+IN C-IN
I1 5
NJM2901
3m
0
Comparison Table
Isink = 3mA Measurement Simulation %Error
Vol (mV) 200 198.257 -0.8715
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

4. Sink Current
Simulation result
Simulation
Evaluation Circuit
U2
BOUT COUT
AOUT DOUT
V+ A D GND
- + - +
A-IN D+IN
A+IN D-IN
V4
B-IN B C C+IN
V5 - + - +
1 B+IN C-IN
sink 5
1.5
NJM2901
0
Comparison Table
Vol = 1.5 V Measurement Simulation %Error
Isink (mA) 16 15.947 -0.3313
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

5. Response time (Rise time and Transition time)
Simulation result
6.0V 100mV
1 2
OUTPUT
4.0V 50mV
INPUT
2.0V 0V
>>
0V -50mV
12us 16us 20us 24us
1 V(Tr) 2 V(V1:+)
Time
Evaluation Circuit
U2
BOUT COUT
AOUT DOUT
V+ A D GND
- + - +
A-IN D+IN
RL1 V3 A+IN D-IN
5.1k 5 B-IN B C C+IN
- + - +
B+IN C-IN
V1 = -20m V1
V21 V2 = 100m
TD = 0
NJM2901
TR = 1n
5 TF = 1n
PW = 5u
PER = 10u
0
Comparison Table
Measurement Simulation % Error
Rising delay time (us) 0.63 0.629410 -0.094
Transition time (us) 0.12 0.123361 2.801
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

6. Response time (Falling time)
Simulation result
6.0V 30mV
1 2
0mV
4.0V
OUTPUT
INPUT
-50mV
2.0V
>>
0V -100mV
12us 16us 20us 24us
1 V(Tf) 2 V(V5:+)
Time
Evaluation Circuit
U1
BOUT COUT
AOUT DOUT
Tf
V+ A D GND
- + - +
A-IN D+IN
RL A+IN D-IN
5.1k V4
B-IN B C C+IN
5 - + - +
B+IN C-IN
V1 = -100m V5
V2 = 20m
NJM2901
TD = 0
V2 TR = 1n
5 TF = 1n
PW = 5u
PER = 10u
0
Comparison Table
Measurement Simulation % Error
Falling delay time (us) 0.43 0.431389 0.323
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

7. Input Offset Voltage Characteristics
Simulation result
Simulation
Evaluation Circuit
U1
BOUT COUT
AOUT DOUT
output
V+ A D GND
- + - +
A-IN D+IN
RL A+IN D-IN
15k B-IN B C C+IN
- + - +
V3 B+IN C-IN
V2
5 V1
0Vdc
NJM2901
5
0
Comparison Table
Measurement Simulation %Error
Vio(mV) 2 2.0016 0.0800
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

8. Av Characteristics
Simulation result
Simulation
Evaluation Circuit
U1
BOUT COUT
output
AOUT DOUT
V+ A D GND
- + - +
A-IN D+IN
RL
V3 A+IN D-IN
15k
5 B-IN B C C+IN
- + - +
V4 V2 B+IN C-IN
VOFF = 0
VAMPL = 0 V1
5 FREQ = 0
NJM2901
AC = 1m
DC = -2.0016m 0Vdc
0
Comparison Table
RL = 15k Measurement Simulation %Error
Av (dB) 106 105.988 -0.011
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

9. Input Bias Current Characteristics
Simulation result
Ib
IIO
Evaluation Circuit
U1
BOUT COUT
AOUT DOUT
V+ A D GND
- + - +
A-IN D+IN
RL
A+IN D-IN
15k V3
B-IN B C C+IN
5 - + - +
V1 B+IN C-IN
V4 0Vdc
V2 NJM2901
5 0Vdc
0
Comparison Table
Measurement Simulation % Error
Ib (nA) 25 25.027 0.1080
IIO (nA) 5 5.0130 0.2600
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005