PRODUCTDESCRIPTION
TheAD620isalowcost,highaccuracyinstrumentationamplifierthatrequiresonlyoneexternalresistortosetgainsof1to10,000.Furthermore,theAD620features8-leadSOICandDIPpackagingthatissmallerthandiscretedesignsandofferslowerpower(only1.3mAmaxsupplycurrent),makingitagoodfitforbattery-powered,portable(orremote)applications.
TheAD620,withitshighaccuracyof40ppmmaximumnonlinearity,lowoffsetvoltageof50μVmax,andoffsetdriftof0.6μV/°Cmax,isidealforuseinprecisiondataacquisitionsystems,suchasweighscalesandtransducerinterfaces.Furthermore,thelownoise,lowinputbiascurrent,andlowpoweroftheAD620makeitwellsuitedformedicalapplications,suchasECGandnoninvasivebloodpressuremonitors.
FEATURES
Easytouse
Gainsetwithoneexternalresistor
(Gainrange1to10,000)
Widepowersupplyrange(±2.3Vto±18V)
Higherperformancethan3opampIAdesigns
Availablein8-leadDIPandSOICpackaging
Lowpower,1.3mAmaxsupplycurrent
Excellentdcperformance(Bgrade)
50μVmax,inputoffsetvoltage
0.6μV/°Cmax,inputoffsetdrift
1.0nAmax,inputbiascurrent
100dBmincommon-moderejectionratio(G=10)
Lownoise
9nV/√Hz@1kHz,inputvoltagenoise
0.28μVp-pnoise(0.1Hzto10Hz)
Excellentacspecifications
120kHzbandwidth(G=100)
15μssettlingtimeto0.01%
APPLICATIONS
Weighscales
ECGandmedicalinstrumentation
Transducerinterface
Dataacquisitionsystems
Industrialprocesscontrols
Battery-poweredandportableequipment