1A284tOW COST,HIGH-TINFARITY
ISOIAIION AMPTITIER
Fully Compatiblewith 10-Bit Data Acquisition Systems
FEATURES
e Linearity: 0.02590Peak, Typical
. 2500V Input/Output Isolation
. 126dB Common-Mode Rejection
r l0:1 ProgrammableGain
CHARACTERISTICS
(Typicrf, @ 25"C, Vs = + l5 VIrc utrlcsrothcrwbc no&d.)
rA2t4
GAIN (Non-lnv.rth!)
Rantc (50kQL@d)
Formula
Dcviation from Formula
vs. Tcmpcraturc (0 to +70"C)
= lVlV ro
Nonlincarity,c
I to l0 V/V
Cain = (l +
r lqo
t 0.01 590/
lmkQ
.
l0Jk o * Rg'
qC
tov/v
The Model IA2E4 lsolation Amplifier is an ultra-
compactmodule offering high linearity, 2500-volt input/
output isolation, 126dB common-moderejection,program-
mablegain and a floating internal supply for powering
compati-
transducer. .1E0linearityassures
Its
an external
and
systems, input voltage
bility with l0-bit data acquisition
noiseis heldto I V, l0 Hz to I kHz, with l0 pA
maximum current noisefor the samerange.An independent
+ 15VDC, + l5 mA supplyin the input section,
with the
voltageisolation as the input, can be usedto power
same
transducer preamplifier.
or
an external
@r5V, t0.025q0
rlov, io.lqo
i l0V, f0.29. md
i l0v min.
BLOCK DIAGRAM IA284
Mil. 9fc Diffcrcntial lnput
Continuous
Puk, loms Duration, I
pulsc/10 ss
Mu. CMV, lnputs to Ourpurs
AC, 60 Hz, I Minutc duration
Pulsc, lOms duration,
I pulsc/10 scc
With 5loka in scrics *ith
Cuard
Continuous, AC or DC
CMR, lnputs to Outputs, @ Hz
Rq(JkQ
Bahnccd Sourcc lmpcdance
5KQ Sourcc lmbalancc
CMR, lnputs to Cuard, 60 Hz
lkQ Sourcc lmbalancc
Mu. Lcalagc Currcnt,
lnpu6 to Powcr
Common @ I l5 VAC, 60 Hz
INPUT IMPEDANCE
Diffcrcntial
Ovcrl@d
Comon
Mode
lnitial, @ + 25qC
vs.Tcmpcraturc(0lo +70"C)
24OVrms
6500Vpk max.
2J00vrms
r 2500vpkmu
t SmOVpk
mu
I 2500vpl md
l 26dB
| 20dB
todb
l . 2 F Ar m sm u .
l0'4ill0pF
a
390k
5 x l 0 ' " 9 1 1p F
20
t 2nA
r0.0lnA/"C
sHrEto
GUARO
LOIN
'vs OUT
vs oul
|W
CONNECTION NOTES:
l . C a i n A d j u s t m e n tR e s i s t o ( R s ) i s c o n n e c t e d e t w e e n A I N a n d
r
b
C
LO-lN pins.
2 . l f n o o u t p u t - o f f s e a d j u s t m e n t s r e q u i r e d , o n n e c tL O - O U T t o
t
i
c
C O M M O N p i n . O t h e r w i s ec o n s u l tf a c t o r y .
,
r-
T-
6a(16.26)
I
I
| . 5 2 ( 5 8 r )- -
6
tA x.
T-
I
VoltaSc
8cV
0 . 0 5H z t o l 0 H z
loHz to lkHz
l0gv rms
Currcnt
t
0 . 0 5 H 2o l 0 0 H z
spA p-p
l0Hz to lkHz
lopA rms
FREQUENCY RESPONSE
S m a l l S i t n a l- 3 d B C = I V , / v
,
to IOV./V
I kHz
Full Powcr,lov p-p Output
Gain = lVlV
SmHz
Gain = loV/V
JmHz
Time, to t 100!Vaftet
Rccovcry
application r 600vpk
of
diffcrcntialinput pulsc
50ms
OTTSE'IVOLIAGtr, RUTf,RXf,DTO INPUT
l n i t i a l ,@ + 2 5 e C
(0
vs. Tcmperaturc to + 70'C)
cain = lv,/v kvlqc mil.)
r65
Gain = l00v/v (rvlqC mu.) r l5
A t o t h e rC a i n s( r V l t m u . ) i ( 1 5
50/c)
vs. SupplyVoltaSc
r(l
5o/Gly\'l/Y
Voltagc,sOkQ
Load
t lov min.
Output Impcdance
lkA
Max. CMV, Output Common
to Power Common. Peak AC
t 50V pk
or DC Continuous
i
r . 5 2( 3 t . 6 r )
20 {5.Ot
T-
loTTol
vttf
i
l-- o.r(2.54)
oFro
voltage, t5mALoad
Accuracy
Currcnt
i lJ VDC
x59o
l I5 mA min
+0, -1590
voltagc, Raicd
Voltagc,
Cuffcnt.
Ratcd Pcrformancc
+ l5 VDC, i .5V
+ ( 8 t o 1 5 . 5v D C
)
+ 2ftnA
0to +70qc
- J5'C to + 85"c
LJ ounccs
sl 14
StoraSc
NOMINAL WEIGHT
wtTtNc socxET
INTRONICS [ INTRONICS POWER, INC. ]
