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PDF NE580 Data sheet ( Hoja de datos )
| Número de pieza | NE580 | |
| Descripción | Bar Graph Logic Circuit | |
| Fabricantes | Signetics | |
| Logotipo |  |
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NE58O-F,N
DESCRIPTION
FEATURES
T h e N E 5 8 0i s a d u a l b a r - g r a p hl o g i cc i r c u i t a Dual channeldevice
designedto provideallthe functionsneces_- a Easilyexpandableto handlemore chan-
sary to drive a gas dischargeself-scan"") nels.
b a r - g r a p hp a n e l .T h e N E 5 8 0i s c o n l i g u r e d o Single5 volt supply
to drivea 201elementbar-graphin either5 a 3, 5 or 6 phaseoperation
or 6 phaseoperation.Phasenumberselec- a Can be custom maskedtor dltferenl cath-
t i o n i s o b t a i n e db y a p p l y i n ga l o g i c0 o r 1
ode segmentcounts,(maximum240)
levelto the phaseselectpin.3 phaseopera-
Equivalent8-bit resolutionol displayed
t i o nf o r a 1 0 1e l e m e n t d e v i c e c abne a t t a i n e d intormalion.
by a wire-orconnectionof adjacentcathode Overrangeindicaiionoutpuls.
phaseoutputs.
The deviceinputsacceptan analogvoltage
in the range0 to 2.5Vand performsan A/D
conversionwith relerenceto a fixed input
voltageat the referenceterminal.On-chip
f u n c t i o n si n c l u d ea c l o c k g e n e r a t o rl,i n e a r
r a m p g e n e r a t o r ,c o n t r o l l o g i c a n d R O M
decoding.Output functions comprise 2
a n o d ec o n t r o ll i n e s ,2 o v e r r a n g ei n d i c a t i o n
outputs, 6 cathode phase outputs and 1
cathode resetoutput.Referto the system
b l o c kd i a g r a mf o r c l a r i f i c a t i o n '
A m i n i m u m o f e x t e r n a lc o m p o n e n t sa r e
r e o u i r e df o r t h e w h o l ec o n v e r s i o na n d d i s -
play system shown in the typical appli-
cation. The NE5B0can be exoanded to
handle more analog channelsusing ex-
ternal comparators. Either LM3934 or
LM339A type comparators will function
well.A fewexternal ow-costlogicpackages
can in additionprovidebinary or BCD
encoded data to interface with a looic
controlsystem.
T h e d e v i c ei s s u p p l i e di n a 2 2 - p i np l a s t i c
m o l d e do r c e r a m i cd u a l - i n - l i n ep a c k a g e .
O - s e l F s c a n i s a t r a d e m a r ko f B u r r o u g h sC o r p o r a t i o n .
ABSoLUTE MAXTMUM RATTNGs
PARAMETER
S u p p l yv o l t a g e V, 6 6
Output voltage(alloutputs)
A n a l o gi n p u tv o l t a g er a n g e
R e f e r e n c ev o l t a g e i n p u t
P h a s es e l e c t i n p u t
A n a l o g / d i g i t agl r o u n dv o l t a g e
differential
Powerdissipation
plastic
c e r di p '
O p e r a t i n gt e r n p e r a t u r er a n g e
S t o r a g et e m p e r a t u r er a n g e
S o l d e r i n gt e m p e r a t u r e
(l osec)
PINCONFIGURATION
F.N PACKAGE
PHASE 2
P H A S E1
5/6 SEL.
TIMINGCAP
vcc
S+ H CAP,
vnrr
s +H C P.
RATP CAP,
IIVPUTA
INPUTA
PHASE 3
PHASEiI
PHASE 5
P H A S E6
DIG,GND
RESET
O U T P U TA
OUTPUTB
O V E R . R A N G EA
O V E R , R A N G EA
at{a. Gt{o
ORD€RING INFORMATION
P l a s t r cD I L p a c k a g e - N E 5 8 0 N
Cerdip package-NE580F
RATING
L7
*Vcc
-0,3to +7
*Vcc
+5.5
+0.3
500
800
0 to+50
-65to+150
300
UNIT
mW
mw
.NOTE
The plastic 22 pin packagehas a thermal impedance0rn of 120'C/W and the cerdip
package,{!A ol 75"C/W. Provided the maximum junction tempefatureis kepl below
150'C then more power may be disslpatedto a maximum of 1 watt
Ei$illtitls
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet NE580.PDF ] | |
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