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PDF NJM2903CA Data sheet ( Hoja de datos )
| Número de pieza | NJM2903CA | |
| Descripción | SINGLE-SUPPLY DUAL COMPARATOR | |
| Fabricantes | New Japan Radio | |
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NJM2903C / NJM2903CA
SINGLE-SUPPLY DUAL COMPARATOR
■ GENERAL DESCRIPTION
■ PACKAGE OUTLINE
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
NJM2903CG
NJM2903CAG
(SOP8)
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
NJM2903CRB1
NJM2903CARB1
(MSOP8(TVSP8)
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
+2V to +36V
NJM2903CMD7
(EQFN14-D7)
● Single Supply Operation
● Open Collector Output
● Package Outline
SOP8,DMP8,SSOP8 ,EQFN14-D7
MSOP8 (TVSP8)*MEET JEDEC MO-187-DA / THIN TYPE
● Bipolar Technology
NJM2903CM
NJM2903CAM
(DMP8)
NJM2903CV
NJM2903CAV
(SSOP8)
● 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.
* NJM2903CARB1 is under development
* NJM2903CMD7 don’t have a A version.
■ PIN CONFIGURATION
(Top View)
(Top View)
14 13 12
(Bottom View)
12 13 14
18
2A
7
3 B6
PIN FUNCTION
1.A OUTPUT
2.A - INPUT
3.A + INPUT
4.V-
5.B + INPUT
1
2
3
11 11
1
10 10
2
PAD
99
3
6.B - INPUT
4
5 7.B OUTPUT
4
8.V+
88
4
NJM2903CG / NJM2903CAG
NJM2903CM / NJM2903CAM
56 7
765
NJM2903CMD7 (Note1, 2, 3 )
NJM2903CRB1 / NJM2903CARB1
NJM2903CV / NJM2903CAV
(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. V-
7. NC
8. NF(No Function)
9. B +INPUT
10. B –INPUT
11. NF(No Function)
12. B OUTPUT
13. V+
14. AOUTPUT
■ EQUIVALENT CIRCUIT ( 1/2 Shown)
Ver.09
-1-
1 page  
■ TYPICAL CHARACTERISTICS
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
Response Time
V+=5V, V-=0V, RL=5.1kΩ, VREF=0V, CL=0pF, Ta=25ºC
Output
ov=5mV
Input
ov=20mV
ov=100mV
0.25μs/div
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
NJM2903C / NJM2903CA
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
Response Time
V+=5V, V-=0V, RL=5.1kΩ, VREF=0V, CL=0pF, Ta=25ºC
Output
Input
ov=5mV
ov=20mV
ov=100mV
0.25μs/div
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
Response Time
12 V+=5V, V- =0V, RL=5.1kΩ, VREF=1.4V, Ta=25ºC
11
10
9 Output
8
7
CL=0PF
CL=47PF
6 CL=100PF
5
4
3
2 Input
1
0
-1
0.25μs/div
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
Response Time
12 V+=5V, V- =0V, RL=5.1kΩ, VREF=1.4V, Ta=25ºC
11
10
CL=0PF
9
8 Output
7
CL=47PF
CL=100PF
6
5
4
3
2 Input
1
0
-1
0.25μs/div
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
■ TYPICAL APPLICATIONS
Comparator With Hysteresis
Vref
INPUT
10k
V＋
3k
OUTPUT
10M
Pulse Generator
V＋
51k
100k
V＋
15k
OUTPUT
100k
51k
Output Strobing Circuit
V＋
6.2k
OUTPUT
strobe input
Ver.09
-5-
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet NJM2903CA.PDF ] | |
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