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PDF LM2903 Data sheet ( Hoja de datos )
| Número de pieza | LM2903 | |
| Descripción | LOW POWER DUAL VOLTAGE COMPARATORS | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LM2903 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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® LM2903
LOW POWER DUAL VOLTAGE COMPARATORS
. WIDE SINGLE SUPPLYVOLTAGE RANGE OR
. DUAL SUPPLIES +2V TO +36V OR ±1V TO
±18V
VERY LOW SUPPLYCURRENT (0.4mA) INDE-
PENDENT OF SUPPLY VOLTAGE
(1 mW/comparator at +5V)
. LOW INPUT BIAS CURRENT : 25nA TYP
. LOW INPUT OFFSET CURRENT : ±5nA TYP
. INPUT COMMON-MODE VOLTAGE RANGE
INCLUDES GROUND
. LOW OUTPUT SATURATION VOLTAGE :
250mV TYP. (IO = 4mA)
. DIFFERENTIAL INPUT VOLTAGE RANGE
EQUAL TO THE SUPPLY VOLTAGE
. TTL, DTL, ECL, MOS, CMOS COMPATIBLE
OUTPUTS
DESCRIPTION
This device consists of two independent low power
voltage comparators designed specifically to oper-
ate from a single supply over a wide range of volt-
ages. Operation from split power supplies is also
possible.
These comparators also have a unique
characteris-tic in the fact that the input com-
mon-mode voltage range includes ground even
though operated from a single power supply volt-
age.
N
DIP8
(Plastic Package)
D
SO8
(Plastic Micropackage)
P
TSSOP8
(Thin Shrink Small Outline Package)
ORDER CODES
Part
Number
Temperature
Range
LM2903
-40, +125oC
Example : LM2903N
Package
NDP
•••
PIN CONNECTIONS (top view)
1
2-
3+
4
8
7
-6
+5
1 - Output 1
2 - Inverting input 1
3 - Non-inverting input 1
4
-
V-
CC
5 - Non-inverting input 2
6 - Inverting input 2
7 - Output 2
8
-
V+
CC
April 2000
1/10
1 page  
TYPICAL APPLICATIONS
BASIC COMPARATOR
VCC = 5V
+ V(re f)
-V(re f)
15kΩ
1/2
LM2903
VO
LM2903
DRIVING CMOS
5V
+ V(re f)
-V(re f)
1/2
LM290 3
100kΩ
&
DRIVING TTL
5V
+V(re f)
-V(re f)
1/2
LM2903
10kΩ
&
&
LOW FREQUENCY OP AMP
(e o = 0V for e I = 0V)
5V
~ eI
1/2
LM2903
15kΩ
2N 2222
0.5µF
1 0 0 kΩ
1kΩ
A V= 100
eo
LOW FREQUENCY OP AMP
5V
~ eI
1/2
LM290 3
100kΩ
1kΩ
A V= 100
15kΩ
eo
0.5µF
TRANSDUCER AMPLIFIER
5V
Magne tic pick-up 10kΩ 3kΩ
1/2
LM2903
20MΩ
eo
10kΩ
5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet LM2903.PDF ] | |
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