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1-800-367-0004 CALLTOLLFREE
U\I75 UUIRA-IINEAR WITH ISOIATIONAMPLIIIER E}fiT,RNAtSYNCCAPABITITY
Fully Compatible with 12-Bit Acquisition Systems
FEATURES
r r . . UL ComponentRecognized Provision for External Synchronization High Linearity: 0.fi)590 Peak, Typical High Input/Output Isolation:5000VDCcontinuous, CHARACTERISTICS
3000vAC Rr\{s
o 10fi):l ProgrammableGain . Low Drift: +0.0190/oCMaximum r l26dB Common-ModeRejection The Model IAl75 Isolation Amplifier featuresvery high linearity,input,/outputisolation,and common-mode programmable very low drift, and externally rejection, gain. Its 0.00590 linearityassures compatibilitywith l2-bit systems, and its ability to operateat data acquisition up input voltages to 5000VDC enables common-mode in and operationwith singlesources high voltagesystems locations. Common-moderejectionis at other hazardous of least120dB with sourceimbalance up to 5000ohms. lnput voltagenoiseis lpV, lOHz to I kHz, and current noiseis l0 pA for the samerange.The gain of the amplifrom lV,/V to 1000V/V by meansof fier is programmable value.The internaloscilresistance connected an externally lator usedto providemodulationand demodulationfor with thoseof assoinput isolationcan be synchronized ciatedModel IAl75 amplifiersby meansof an external phenomena trigger,to avoid impositionof beat-frequency + An on the output signals. independent I4VDC, + l5 mA with the samevoltageisolation supplyin the input section, as the amplifier input, is usedto power an externaltransducer,or preamplifier.
(Typicrf, @ 25"C, Vs = + 15 VDC unless oaherwiscnoled,) GAIN (Non-lnverting) I to 1000V/V Range Formula I + (30k4/Rg) Deviation from Formula t lqo "C r s . T e m p e r a l u r e( 0 t o + 7 0 ' C ) t 0.00590,/ (0 to + 70'C) vs. Temperature t 0 . 0 1 9 0"/C m a x . t 0.0190 ax. m Nonlinearity, t 5V Output max. Nonlinearity, t lOV Output t 0.0290
INPUT VOLTAGERATINGS Range LinearDifferential Input rms Max. SafeDifferential
a lOV min
l25V rms Continuous Peak Pulse. 5 ms Duration. One Pulse/Sec t 600V Max. CMV, lnputs to Outputs/Power Common Peak AC, 6O HZ, I Minute 3,m0V Peak DC Continuous i 5,m0v CMR, Inputs to Outputs, 60 Hz l 26dB Balanced Source lmpedance l20dB 5kQ Source Imbalance CMR, lnputs to Guard, 6O Hz 80dB 5kQ Source Imbalance Max. Leakage Current, lnputs to Common I 15 vAC, 60Hz 8pA max. INPUT IMPEDANCE Differential Overload Common Mode
l0'all3 pF 21k9 l0''all20pf
INPUT BIAS CURRENT I n i t i a l ,@ + 2 5 " C (0 vs. Temperature to +70'C)
INPUT NOISE Voltage, 0.01 Hz to l0Hz lOHz to lkHz Current 0.0lHz to lOHz }.REQUENCY RESPONSE Small Signal, - 3dB Cain = l00V/V Full Power, 20V p-p Output Slew Rate
t znA "C r 0.01nA/
lrV p-p lgV rms lpA p-p
IkHz 500H2 30mV/ps + 5/G)mV
r35 :t l5 i(15 20/G) a ( l + 20/C)pv/v
BLOCKDIAGRAM IAI75
OFFSETVOLTAGE.REFERRED TO INPUT lnitial@ +25'C , (0 vs. Temperature to + 70'C) Gain - IVlV GVl'C max.) Gain = l00V/V (rrvl"C max.) At otherGains(/V,/"C mil.) vs. SupplyVoltage RATED OUTPUT Voltage, 50kQLoad Output Ripple,20 kHz Output lmpedance
Mu. CMV. Outout Common to PowerCommon PeakAC or DC Continuous ISOLATED POWER CIRCUIT Voltage, t l5 mA Load Accuracy Current Regulation No load to full load A Gain A Output Offset A Input Offset
1 l0V min lOmVp-p l.Oka
t 50Vok t 14vDC t 5qo t l5 mA min. +0, 29o + 0.00590 + l00tV t 5sV + l5VDC, :t0.5V + l2 to + ISVDC 70mA lOOmA 7 - 8 kHz, 5VDC @ 50qoduty cycle-
S H IE L D GUARO
*Vs oUT V5OUT
LO IN
CONNECTION NOTES: L Gain Adjustment Resistor(Rn) is connectedbetweenGAIN and LO-lN pins. l. If no output-offset adjustment is required, connect LO-OUT to COMMON pin. Otherwise,consult factory.
POWERSUPPLY,SINGLE POLARITY performance Voltage, rated for
vollage. t urrenlCurrent, External opralrng oulescent full load Sync. Frequency
r at(araatrrr
.,I;I .LL
rqu)
TEMPERATURE RANGE Rated Performance Storage
0'C to 70'C - 5 5 ' C r o+ 8 5 ' C 3 . 5 "x 2 . 5 " x . 6 2 "
-
CASE DIMENSIONS MATING S(rcKET NOMINAL WEIGHT
sl 32
1 . 3o u n c e s
u\l 84 lowcosT, H|GH-UNEARITY
Fully Compatiblewith l0-Bit Data AcquisitionSystems
ISOIATION AJIIPLITTER WTTH E}fiERNAt SYNCCAPABITITY
FEATURES o UL Component Recognized (lAlE4) o Provision for External Synchronization o High Linearity:0.02590 Peak,Typical . 2500V Input/Output Isolation . 126dB Common-ModeRejection . lfiX):l Programmable Gain o S m a l lS i z e :o n l y 1 . 5 " x 1 . 5 " x 0 . 6 3 " The Model IAlt4 IsolationAmplifier is an ultracompactmoduleoffering high linearity,2500-Voltinput/ output isolation,126dB common-mode rejection,externally programmable gain, a floating internalsupply for poweringan externaltransducer, and externalsynchronization of the internaloscillatorusedin obtainingthe input isolation.Its 0. I q0 linearityassures compatibilitywith l0-bit data acquisition systems, and input voltagenoiseis held to lpV, l0 Hz to I kHz, with l0 pA maximum currenl noisefor the samerange.The internaloscillatorusedto providemodulationand demodulation input isolation for can be synchronized with thoseof associated Model IAl84 amplifiersby an externaltrigger,to preventimpositionof phenomena the output signal.An indebeat-frequency on pendent + l5 VDC, + l5 mA supplyin the input section, with the samevoltageisolationas the input, can be usedto power an externaltransducer preamplifier. or BLOCK DIAGRAM IA IE4
(Typlcrl, @ 2S'C, Yr = + f 5 VDC gnless otherwise noted.) tatl, cAlN (Notr-lnvcrtint)
Range (50kQ Load) Formula Dcviation from Fornula vs. Tcmpcrature (0 to + ?0.C) Nonlinearity, G = lV,rV to l0v,/v I to lomv/v Cain=(l+l00k!l, it' ifoto i 0.01 5qol t @!5V, !0.025o/o @il0V, i0.lqo @ 110V, t0.2qo md
CHARACTERISTICS
i;n
CAIN
.u1'jJli."J\f
'-l
S H I TL D GUARD LO IN +vs OUT -V5 OUI
INPUT VOLTAGE R,IITING Lincar Diffcrcntial Rangc, C = lV/V i lov min. Mu. Safc Diffcrcntial Input Continuous l25V rms PulF, loms Duration.I pulsc/Io ss r6mvpt max. Md. CMV, lnputsto Outputs AC,60 Hz. I Minutedurarion 2J00Vrms Pulsc,loms duration,I pulsc/Io sG i250ovpk mu. With 5l0kQ in scries wirh Guard t 5movDk mu. . 2500V;kmil. Continuous, or DC AC CMR, Inputsto Ourpurs, Hz, 60 Rc<5kQ BalancedSourcclmpcdancc l26dB 5KQSourcclmbalancc l20dB CMR, Inputsto Cuard, 60 Hz lkQ Source lmbalanac 80db Max. Leakage Current, Inputsto Power Common@ | l5 VAC, 60 Hz l.2FA rms mu. INPUT IMPEDANCE Differential l0'all3pF Overl@d 2'tk9 Comon Mode 5 x l 0 " a l l 2 0p F INPUT BIAS CURRENT Initial,@+25"C t2nA (0 vs. Tempraturc to + 70"C) i0.0lnA/.c INPUT NOISf, Voltage 0 . 0 5H z t o l o H z loHz to lkHz lpV rms Currcnt 0.05H2to loOHz 5pAp-p l0Hz ro lkHz lopA rms FREQUENCY SmailSignal,- l d B c = l v l v to l0v,/v lkHz Full Powcr, l0v p-p Ourpur Gain = lVlV 500H2 Gain = lOv./v J00Hz Recovery Timc, ro i l00rV after application a 6O0Vpk of differcntialinput pulsc 50ms OFFSET VOLTAGE. RETERRED TO INPUT I n i t i a l ,@ + 2 5 t r(l + s/Clmv
vs. Temperature (0 Io + 70"C) Cain = lV,/V (!V,/'C mu.) Cain = lmV/V (fvlf mu.) At other Gains (//V/"C md.) vs. Supply Voltage a65 r l5 t(15 + 50/C) + JolC)sVlV t(l i lov min. lkA to Power Common, r sOV Dk r 15 VDC
CONNECTION NOTES: l . G a i n A d j u s t m e n tR e s i s t o ( R e ) 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 G LO-lN pins. 2. lf no output-offset adjustment is required,connect LO-OUT to COMMON pin. Otherwise,consult factory.
RATED OIJTPTJT Voltagc,50kQ Load Output lmpedance Mu. CMV, Output Common Peak AC or DC Continuous Volta8c, a5 mA Load
Accuracy Currcnt Regulation, to FL NL Ripple,lmkHz Bandwidth V o l t a g e . a t e dP e r f o r m a n c e R V o l r a p eO E r a t i n c . Curre-nt, Quiesceni Current. Full Load E x t c r n a S y n cF r e q . l TEiIPE'I^Tt'RE RANGE
! 5o/o t I5 mA min. +0, - 3qo l00m V p-p r l5VDC, r.5V ' (8ro 15.5) DC V + 20mA 50mA l 3 t o 3 ?k H z . 5 V D C @ 50qoduty cycle 0to +70t -55"Cto+85"c 1.5"x1.5"x0.62"
1.3ounces
l.-
1.5 ?(f8 6l) - +J ,ax. I
6{06.26)
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T-I | , 5 ?( l6.6r)
20 {5 OA
T-
i I i
- 0a(ro?l0rA EOTTOf, +l vtEw l-_ o.r(z sr) GR|O
Ratcd Performance Storagc
sl 14
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 + lmkQ . l0Jk o * Rg' r lqo qC t 0.01 590/
tov/v
The Model IA2E4 lsolation Amplifier is an ultracompactmodule offering high linearity, 2500-volt input/ output isolation, 126dB common-moderejection,programmablegain and a floating internal supply for powering compatitransducer. .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 samevoltageisolation as the input, can be usedto power 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 . ,
rT6a(16.26) I
I
| . 5 2 ( 5 8 r )- 6 tA x.
TI
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 -3dBC = IV,/v SmallSitnal, 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
tA294
MEDICATISOIATION AMPTIFIER
tOW NOISE,WITH ACTTVE INPUT REFERT,NCE SHIETD AND DRIVES
FEATURES
. r r r o o UL componenl recognized True inslrumenlation front-end Aclive input reference Active shielddrives Low noise:E sv P-P. .05 to lfi) Hz. High CMRR: 126dB input to output, 120dB input to guard o IsolaledPower: + l5V @ 15 mA o Small size:,2" 3 " x o ExternalSynccapabilityfor multi-channel monitors The Model IA294 Isolation Amplifier featuressmall size,low noise,high common mode rejection,activeguard and shielddrives.CMRR is 126dB input to output with impedance. balanced source CMRR from input to active is input reference 120dB. This IsolationAmplifier containsmost of the front-endcircuitrythat is found in monitor and diagnostic ECG's. The IA294 hasa true front-endfor high CMRR, activeright leg instrumentation use,isolatedpower drive, synccapabilityfor multichannel ( + l5 V @ l5 mA) and separate activedrivesfor either, individualshielded inputsor a common outer shield.This modelalso features 6500V input to output protectionand 6500V differentialinput protectionfor defibrillators. Input to output leakage currentis lessthan l0 FA. BLOCK DIAGRAM (IA294I
CHARACTERISTICS
(Typical @ 25 'C, V. = + l5 VDC unlessotherwisenoted.)
GAIN (NON.INVERTING) ACCURACY vs. Temperature Non-Linearity Differential lnput lmpedance Common-Mode Input Impedance INPUTVOLTAGE Max. Safe Differential Input P u l s e ,l 0 m s D u r a t i o n Max. Safe Common Mode Input (DC cont.) INPUT BIAS CURRENT vs. Temperature SAFETY CURRENT LIMITS INPUT NOISE (5 K UNBALANCE) Voltage .05 to 100Hz, pp V o l t a g el 0 H z t o I k H z , r m s Current.05 Hz to I kHz, rms + 2Vo + . 0 1 9 0 /" C + 0 . 19 0 3 x l03Qll3pF 5 x l0''all20pF +lVmin. + 240 V rms +6500V peak + 5000 VDC +2nA + .02 nA/ "C l0gA max
t0v/v
8rv
5lv l0 pA
COMMON MODE RE.IECTION I n p u t t o O u t p u t ,C M V : I l 5 V A C , 6 0 H z Balanced SourceImpedance 5kQSourceImbalance Two Inputs to lnput Reference C M V : l O V p - p , 6 OH z 5kQ SourceImbalance OUTPUT R a n g e( 5 0 k Q L o a d ) Output Impedance M a x . C M V , O u t p u t st o p o w e r c o m m o n Offset voltage referred to input vs. Temperature(0' to 70'C) vs. Supply Voltage FREQUENCY RESPONSE S m a l lS i g n a l , - 3 d B F u l lP o w e r , 6 V p p Overload Recovery ISOLATED POWER OUTPUT Voltage, + l0 mA load Accuracy C u r r e n t ,m i n . NOMINAL WEIGHT POWER SUPPLY, SINGLE POLARITY Voltage Rated Performance Current, Quiescent TEMPERATURE RANGE Rated Performance Storaee
1 2 6d B 1 2 0d b 1 2 0d B
+l0v
I K\Z
+ 30 V peak +5 mV t l00sV/'C +20 tY/Vo I kHz 500 Hz 20 msec
t 1 5v D C x 5Vo t15mA
8 ounces t r 1 4 . 5 o + 1 6V D C +40rA
SOCKET
0"c to 70"c 2 5 ' Ct o + 8 5 ' C sl35
(76.711r^x.--l T-
. 4 20 5 . r 3 ) t^t. t .201 .oa) 5 rtt.
TtoTTox vtEw
J Lo.,t..r.tn",o
t4296 UUTRA tOW NOISE TRUE INSTRUMENTATION MEDICAT ISOIATIONAJT{PIIFIER
FEATURES . UL Component Recognized
r Ultra Low Noise o Failureof any internalcomponentresultsin ( l0 sA bias current o Excellent CMRR: 170dB; 160dB with 5 kQ source imbalance . ExternalSyncCapability The Model 1,4296 IsolationAmplifier features very high input/output isolationand very low noise.It can operateat common mode input voltages to 5000VDC up c o n t i n u o u sC M R R i s 1 7 0d B w i t h b a l a n c e d o u r c em p e ; s i dance,and 160dB with 5 kQ sourceimbalance. Input voltage noiseis held to 0.3 prV,l0 Hz-l kHz rms, and current n o i s et o 4 p A , 0 . 5 H z - l k H z r m s . I n p u r b i a sc u r r e n ti s only 200 pA, and on the failure of any componentis limited to l0 prA.An independent l2 VDC, l0 mA supply + in the input sectionwith the samevoltageisolationas the amplifier input, is usedto power optional external circuitry. BLOCK DIAGRAM 1A296
CHARACTERISTICS
(Typicaf @ 25 'C, Vr = + 15 VDC unlessotherwisenoted.)
GAIN (NON-INVERTING) ACCURACY vs. Temperature Non-Linearity Differential lnput Impedance Common-Mode Input lmpedance INPUT VOLTAGE M a x . S a f e D i f f e r e n t i a lI n p u t Pulse, l0 ms Duration Max. Safe Common Mode Inpur (DC conr.)
tov/v
+ 2Vo l:0.0l5o/o/'C t0.l9o
3 x l0'Qll2.2nF l 0 " a l ll 0 p F
+0.5 V min. t30 V rms + 500 V oeak + 5000 VDC + 200 pA +5 pAl"C lOtA max.
INPUT BIAS CURRENT vs.Temperature SAFETY CURRENT LIMITS
INPUT NOISE (5 K unbalance) Voltage .05 to 100Hz, pp Voltage l0 Hz to I kHz, rms Current.05Hz to I kHz, rms COMMON MODE REIECTION l n p u t t o O u t p u t , C M V = I 1 5V A C , 6 0 H z BalancedSource lmpedance 5kQ Source Imbalance Input to Reference,CMV = lOV p-p, 60 Hz 5 kQ Sourcelmbalance OUTPUT Range (50kQ Load) Output Impedance Max. CMV, Outputs to power common Offset voltage referred to input v s . T e m p e r a t u r e0 " t o 7 0 " C ) ( vs.Supply ENCY RESPONSE* I S i g n a l ,- 3 C B , FullPower,6Vpp Overload Recovery ISOLATED POWER OUTPUT Voltage, + l0 mA load Accuracy Current POWER SUPPLY, SINGLE POLARITY Voltage Rated Performance Current, Quiescent TEMPERATURE RANGE Rated Performance Storage
l.5pV 0.3pV 4pA
1 7 0d B 1 6 0d b 1 2 0d B +5V lka + 30 V peak +5 mV t l00pV/'C +20 pY/Vo I kHz 500 Hz 20 msec + l2 VDC + l09o +l0mA + 1 4 . 5t o + 1 6 V D C +,10 mA
0"c to 70"c
- 25.C to + g5.C
*For l0kHz bandwidthspecifyP/N IA297 when consulting facrory
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