NJM2903C / NJM2903CA
SINGLE-SUPPLY DUAL COMPARATOR
■ GENERAL DESCRIPTION
The NJM2903C / NJM2903CA consist of two independent voltage
comparators that are designed specifically to operate from a single power
supply over a wide range of voltages. Operation from split power supplies is
also possible and the low power supply current drain is independent of the
magnitude of the power supply voltage.
The NJM2903C / NJM2903CA has a unique characteristic: the input
common-mode voltage range includes ground, even though operated from
a single power supply voltage.
Application areas include limit comparators, simple analog-to-digital
converters; pulse, square-wave and time delay generators; wide range
VCO; MOS clock timers; multivibrators and high voltage digital logic gates.
The NJM2903C / NJM2903CA were designed to directly interface with TTL
and MOS. When operated from both plus and minus power supplies, the
NJM2903C / NJM2903CA will directly interface with MOS logic where their
low power drain is a distinct advantage over standard comparators
■ FEATURES
● Operating Voltage
● Single Supply Operation
● Open Collector Output
● Package Outline
■ PACKAGE OUTLINE
NJM2903CG
NJM2903CAG
(SOP8)
NJM2903CM
NJM2903CAM
(DMP8)
NJM2903CRB1
NJM2903CARB1
(MSOP8(TVSP8)
NJM2903CV
NJM2903CAV
(SSOP8)
NJM2903CMD7
(EQFN14-D7)
+2V to +36V
SOP8,DMP8,SSOP8 ,EQFN14-D7
MSOP8 (TVSP8)*MEET JEDEC MO-187-DA / THIN TYPE
● Bipolar Technology
● Internal ESD protection
Human body model (HBM) ±2000V typ.
●Wide temperature range -40℃ to +125℃
●Input Offset Voltage Grade
NJM2903C(Normal-Grade)
NJM2903CA (A-Grade)
5mV max.
2mV max.
* NJM2903CMD7 don’t have a A version.
■ PIN CONFIGURATION
(Top View)
14 13 12
(Top View)
1
2
3
4
8
7
A
B
6
5
PIN FUNCTION
1.A OUTPUT
2.A - INPUT
3.A + INPUT
4.V5.B + INPUT
6.B - INPUT
7.B OUTPUT
8.V+
NJM2903CG / NJM2903CAG
NJM2903CM / NJM2903CAM
NJM2903CRB1 / NJM2903CARB1
NJM2903CV / NJM2903CAV
(Bottom View)
12 13 14
1
11
11
2
10
10
1
2
PAD
3
9
9
3
4
8
8
4
5
6
7
7
6
5
NJM2903CMD7 (Note1, 2, 3 )
(Note1) The NF pin, NC pin and The PAD have to be wired as short as possible to
connect with a V− pin.
(Note2) The NF pin and The PAD are electronically connected to the backside of the
die. But, there cannot be used as V- pin.
(Note3) The NC pin is not internally connected.
PIN FUNCTION
1. NF(No Function)
2. A –INPUT
3. A +INPUT
4. NF(No Function)
5. NC
6. V7. NC
8. NF(No Function)
9. B +INPUT
10. B –INPUT
11. NF(No Function)
12. B OUTPUT
13. V+
14. A OUTPUT
■ EQUIVALENT CIRCUIT ( 1/2 Shown)
Ver.11
-1-
NJM2903C / NJM2903CA
■ ABSOLUTE MAXIMUM RATINGS
( Ta=25˚C )
PARAMETER
Supply Voltage
SYMBOL
+
RATINGS
-
V -V
Differential Input Voltage (Note4)
UNIT
+36
VID
V
±36
V
-
-
V
-
-
V
Input Voltage (Note5)
VIN
V -0.3 to V +36
Output Terminal Input Voltage (Note6)
VO
V -0.3 to V +36
SOP
DMP
MSOP
SSOP
EQFN
:
:
:
:
:
690 (Note7) 1000 (Note8)
470 (Note7) 600 (Note8)
510 (Note7) 680 (Note8)
430 (Note7) 540 (Note8)
440 (Note7) 770 (Note8)
Power Dissipation
PD
mW
Operating Temperature Range
Topr
-40 to +125
˚C
Storage Temperature Range
Tstg
-65 to +150
˚C
(Note4) Differential voltage is the voltage difference between +INPUT and -INPUT.
+
(Note5) Input voltage is the voltage should be allowed to apply to the input terminal independent of the magnitude of V
+
(Note6) Output voltage is the voltage should be allowed to apply to the output terminal independent of the magnitude of V .
(Note7) EIA/JEDEC STANDARD Test board (76.2 x 114.3 x 1.6mm, 2layers, FR-4) mounting
(Note8) EIA/JEDEC STANDARD Test board (76.2 x 114.3 x 1.6mm, 4layers, FR-4) mounting
■ ELECTRICAL CHARACTERISTICS
+
-
( V =5V,V =0V,Ta=25˚C unless otherwise noted.)
PARAMETER
SYMBOL
Input Offset Voltage
VIO
Input Offset Current
IIO
Input Bias Current
IB
Large Signal Voltage Gain
AV
Common Mode Input Voltage Range
Supply Current (all comparators)
Low-level Output Voltage
TEST CONDITION
MIN.
TYP.
MAX.
-
0.5
5
0.5
2
0.5
50
nA
-
20
250
nA
94
106
-
dB
0
-
3.5
V
-
0.45
1
V = +30V, no load
-
0.6
2.5
VIN+ = 0V, VIN- = 1V, ISINK = 4mA
-
80
400
RS=0Ω, VO=1.4V
RS=0Ω, VO=1.4V,NJM2903CA
+
V = 15V, RL=15kΩ, VO = 1V to 11V
VICM
ISUPPLY
VOL
no load
+
+
UNIT
mV
mA
mV
Output Leakage Current
ILEAK
V = VO = 30V, VIN+ = 1V, VIN- = 0V
-
-
1
uA
Output Sink Current
ISINK
VIN+ = 0V, VIN- = 1V, VO = 1.5V
6
16
-
mA
Response Time
tre
RL = 5.1kΩ to V
-
1.3
-
μs
trel
RL = 5.1kΩ to V ,
Vref = +1.4V, TTL input
-
250
-
ns
+
+
Large Signal Response Time
-2-
Ver.11
NJM2903C / NJM2903CA
■ TYPICAL CHARACTERISTICS
Supply Current vs. Supply Voltage
1.0
V- =0V, VIN+=0V, VIN- =0V, RL=OPEN
1.4
1.2
Supply Current [mA]
Ta=-40ºC
0.8
Supply Current [mA]
Supply Current vs. Temperature
V-=0V, VCOM=0V, VO=open
0.6
0.4
Ta=25ºC
Ta=125ºC
0.2
1.0
V+=30V
0.8
V+=5V
0.6
0.4
0.2
V+=2V
0.0
0.0
0
5
10 15 20 25 30
Supply Voltage V+ [V]
35
40
-50
V-=0V, VCOM=1.4V, VOUT=1.4V, RL=15kΩ
3
3
Input Offset Voltage [mV]
Input Offset Voltage [mV]
4
2
Ta=25ºC
Ta=-40ºC
0
-1
-2
-3
-4
0
2
0
-1
-2
-3
V+=2V
V+=5V
-5
10
20
30
Supply Voltage V+ [V]
40
-75 -50 -25 0 25 50 75 100 125 150
Ambient Temperature [ºC]
Input Offset Voltage
vs. Common-Mode Input Voltage
Input Bias Current vs. Temperature
V+=30V, V-=0V,
5
V+=30V
1
-4
Ta=125ºC
-5
V-=0V, VCOM=1.4V, VOUT=1.4V, RL=15kΩ
5
4
1
0
25 50 75 100 125 150
Ambient Temperature [ºC]
Input Offset Voltage vs. Temperature
Input Offset Voltage vs. Supply Voltage
5
-25
V-=0V, VCOM=0V
150
100
3
2
Input Bias Current [nA]
Input Offset Voltage [mV]
4
Ta=-40°C
1
0
-1
-2
Ta=25°C
-3
Ta=125°C
V+=30V
V+=5V
50
0
-50
V+=2V
-100
-4
-5
-150
-5
Ver.11
0
5
10
15
20
25
Common-Mode Input Voltage [V]
30
-75 -50 -25 0 25 50 75 100 125 150
Ambient Temperature [ºC]
-3-
NJM2903C / NJM2903CA
■ TYPICAL CHARACTERISTICS
Low-level Output Voltage vs. Supply Voltage
V+=5V, V-=0V, VIN+=0V, VIN-=1V
10
Low-level Output Voltage [V]
300
Low-level Output Voltage [mV]
Low-level Output Voltage vs. Output Sink Current
V-=0V, Ta=25ºC
250
ISINK=10mA
200
150
ISINK=5mA
100
ISINK=3mA
50
Ta=-40ºC
1
Ta=25ºC
Ta=125ºC
0.1
0.01
ISINK=2mA
0
0.001
0
5
10 15 20 25 30
Supply Voltage V+ [V]
35
40
0.1
140
Open-Loop Voltage Gain [dB]
Low-level Output Voltage [mV]
V+=5V, V- =0V, VIN+=0V, VIN-=1V, IOUT=4mA
300
200
100
0
100
80
60
40
20
0
-75 -50 -25 0 25 50 75 100 125 150
Ambient Temperature [ºC]
Output Signal Rising/Falling Time
vs. Temperature
Response Time vs. Temperature
Response Time [ns]
Rise
400
200
Fall
0
-75 -50 -25 0 25 50 75 100 125 150
Ambient Temperature [ºC]
-4-
Output Signal Rising/Falling Time [ns]
V+=5V, V-=0V, VIN+=0V, VIN-=200mVPP, ov=100mV, RL=5.1kΩ
800
600
V+=15V, V-=0V, VOUT=1V to 11V
120
-75 -50 -25 0 25 50 75 100 125 150
Ambient Temperature [ºC]
1000
100
Open-Loop Voltage Gain vs. Temperature
Low-level Output Voltage vs. Temperature
400
1
10
Output Sink Current [mA]
600
V+=5V, V-=0V, VIN+=0V, VIN-=200mVPP, ov=100mV, RL=5.1kΩ
500
400
Rise
300
200
Fall
100
0
-75 -50 -25 0 25 50 75 100 125 150
Ambient Temperature [ºC]
Ver.11
NJM2903C / NJM2903CA
■ TYPICAL CHARACTERISTICS
Response Time
ov=5mV
Input Voltage [V]
0.7
0.6
ov=20mV
0.4
0.2
0.9
4
0.8
3
0.7
2
0.5
0.3
5
1
0
ov=100mV
-1
Input
-2
V+=5V, V-=0V, RL=5.1kΩ, VREF=0V, CL=0pF, Ta=25ºC
6
5
4
Output
0.6
ov=5mV
3
ov=20mV
2
0.5
1
0.4
0
0.3
-1
ov=100mV
0.2
-2
0.1
-3
0
-4
0
-4
-0.1
-5
-0.1
-5
-0.2
-6
-0.2
0.1
-3
Input
-6
0.25μs/div
0.25μs/div
Response Time
Output
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
CL=0PF
CL=47PF
CL=100PF
Input
Input Voltage [V]
V+=5V, V- =0V, RL=5.1kΩ, VREF=1.4V, Ta=25ºC
Output Voltage [V]
Input Voltage [V]
Response Time
12
11
10
9
8
7
6
5
4
3
2
1
0
-1
Output Voltage [V]
Output
1
12
11
10
9
8
7
6
5
4
3
2
1
0
-1
V+=5V, V- =0V, RL=5.1kΩ, VREF=1.4V, Ta=25ºC
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
CL=0PF
CL=47PF
Output
CL=100PF
Input
0.25μs/div
Output Voltage [V]
0.8
6
Input Voltage [V]
0.9
Response Time
V+=5V, V-=0V, RL=5.1kΩ, VREF=0V, CL=0pF, Ta=25ºC
Output Voltage [V]
1
0.25μs/div
■ TYPICAL APPLICATIONS
Comparator With Hysteresis
Pulse Generator
V+
V+
Vref
3k
100k
Output Strobing Circuit
V+
V+
15k
51k
6.2k
OUTPUT
OUTPUT
INPUT
OUTPUT
10k
strobe input
10M
100k
51k
Ver.11
-5-
NJM2903C / NJM2903CA
■PACKAGE OUTLINE UNIT : mm
SOP8
0.175±0.075
1.27
0.1 S
0.42±0.07
0.25 M
0.22±0.03
1.55±0.2
6.0±0.2
3.9±0.1
4.9±0.1
0.825±0.425 0°~ 7°
S
DMP8
0 ~10°
5.0±0.3
1
0.5±0.2
6.8±0.3
5
5.0±0.2
8
4
1.27
0.15
+0.1
-0.05
0.15±0.1
1.6±0.15
0.74MAX
0.1
0.35±0.1
-6-
0.12
M
Ver.11
NJM2903C / NJM2903CA
■PACKAGE OUTLINE UNIT : mm
MSOP8 (TVSP8)*
*MEET JEDEC MO-187-DA / THIN TYPE
0~10°
2.9±0.1
1
0.55±0.1
4.0±0.2
5
2.8±0.1
8
4
+0.05
0.127-0.03
0.65
0.1±0.05
1.0MAX
0.475±0.1
0.08
0.2±0.05
0.05 M
SSOP8
+0.3
3.50 - 0.1
0 ~ 10º
0.5±0.2
4.4±0.2
6.4±0.3
5
8
1
4
0.65
+0.1
0.15 - 0.05
0.1±0.1
1.15±0.1
0.9MAX
0.1
0.22±0.1
Ver.11
0.1
M
-7-
NJM2903C / NJM2903CA
■PACKAGE OUTLINE UNIT : mm
EQFN14-D7
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
-8-
Ver.11