NJM2903/2403
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1
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Ver.2012-09-14
SINGLE-SUPPLY DUAL COMPARATOR
■ GENERAL DESCRIPTION ■ PACKAGE OUTLINE
The NJM2903/2403 consist of two independent precision voltage
comparators with an offset voltage specification as low as 5.0mV max
for two comparators, which were 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
NJM2903/2403 have 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 NJM2903/2403 were designed to directly
interface with TTL and MOS. When operated from both plus and minus
power supplies, the NJM2903/2403 will directly interface with MOS logic
where their low power drain is a distinct advantage over standard
comparators.
■ FEATURES
● Operating Voltage +2V~+36V
● Single Supply Operation
● Open Collector Output
● High Output Sink Current 15mA (@ NJM2403)
● Package Outline DIP8, DMP8, SIP8, SSOP8,
NJM2903 only: SOP8 JEDEC 150mil,
:MSOP8 (TVSP8) MEET JEDEC MO-187-DA / THIN TYPE
● Bipolar Technology
■ PIN CONFIGURATION
■ EQUIVALENT CIRCUIT ( 1/2 Shown )
PIN FUNCTION
1. A OUTPUT
2. A - INPUT
3. A +INPUT
4. GND
5. B +INPUT
6. B - INPUT
7. B OUTPUT
8.
V
+
8
7
6
5
1
2
3
4
A
B
( Top View )
NJM2903D/2403D, NJM2903M/2403M
NJM2903V/2403V, NJM2903E/2903RB1
A B
1 234567 8
NJM2903L/2403L
GND
- INPUT
V +
OUTPUT
+ INPUT
NJM2903M/2403M
( DMP8 )
NJM2903D/2403D
( DIP8 )
NJM2903V/2403
V
( SSOP8 )
NJM2903L/2403L
( SIP8 )
NJM2903E
( SOP8 )
NJM2903RB1
( MSOP8 (TVSP8))
NJM2903/2403
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■ ABSOLUTE MAXIMUM RATINGS
( Ta=25˚C )
PARAMETER SYMBOL RATINGS UNIT
Supply Voltage V+ 36 ( or ±18 ) V
Differential Input Voltage VID 36 V
Input Voltage VIN -0.3~+36 V
( DIP8 ) 500
( DMP8 ) 300
( SSOP8 ) 250
Power Dissipation PD ( SIP8 ) 800
(SOP8) 300
(MSOP8(TVSP8))320
mW
Operating Temperature Range Topr -40~+85 ˚C
Storage Temperature Range Tstg -50~+125 ˚C
■ ELECTRICAL CHARACTERISTICS
( V+=5V,Ta=25 ˚C )
2903 2403
PARAMETER SYMBOL TEST CONDITION
MIN. TYP. MAX. MIN. TYP. MAX. UNIT
Input Offset Voltage VIO R
S=0Ω,VO=1.4V - - 7 - - 10 mV
Input Offset Current IIO - - 50 - - 100 nA
Input Bias Current IB - 30 250 - 40 500 nA
Input Common Mode Voltage Range VICM 0~3.5 - - 0~3.5 - - V
Large Signal Voltage Gain AV R
L=15kΩ - 106 - - 106 - dB
Response Time tR R
L=5.1kΩ - 1.5 - - 1.5 - µs
Output Sink Current ISINK V
IN-=1V,VIN+=0V,VO=1.5V 6 - - 20 - - mA
Output Saturation Voltage VSAT V
IN-=1V,VIN+=0V,ISINK=3mA - 200 400 - - - mV
Output Saturation Voltage VSAT V
IN-=1V,VIN+=0V,ISINK=15mA - - - - 200 400 mV
Output Leakage Current ILEAK V
IN-=0V,VIN+=1V,VO=5V - - 1.0 - - 1.0 µA
Operating Current ICC - 0.4 1.0 - 0.5 1.5 mA
NJM2903/2403
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3
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Ver.2012-09-14
■ TYPICAL CHARACTERISTICS
NJM2903/2403
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4
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■ TYPICAL CHARACTERISTICS
■ TYPICAL APPLICATIONS
Comparator With Hysteresis Pulse Generator Output Strobing Circuit
OUTPUT
Strobe Input
[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.
