Operatioma tmplhen
Before to dgilal commtern his amplt
uscoo do mashemaico openahom
k t J, dAt Just connecin
Symbol
N
Non invere V
Hemino
vertihg2
YP t9mi
Hu one kind rf
diffrwnhh ounliFen wth Sins
V A (,-V
onthdon Vp
-V, A CV-o)
AV Ohen loop Gin
omo haK|
VoA Co-V2) =AV2
12 Phx shift
Condon daa p
AV Aom lch a r
Tis op Armp very hah aa) p hmp
A 10 NO
A
405
m x IO = (0D V
4V
No osble
P oFop Amp rastrdcted ty
biaing Yolta onplredto
VTC No
Vsor
Nn
gnt
AUN > olp 1V
Af4o2 p Vont V+
Creain
yo
om
. As
As secm o3 h e
ThA p vollate nl\ g0 beyemo
vill Caturated
throdhold vaue a w
olp
loop o n t aanat
wnfts rat
n e n loop
pen
eh WhehThe Op-mp
fe. no feool back fnorn op to lp
Creh t we apply Cmall 7p
bet a ttmena Yp Sattrared
to wards h
tve -ve biasing volkgR
Thes cnonocterreAts
ophmy
O ComparaBon|
DDiCah
Active fIen
Oselloton
waveforn nvertton
ADC DAC
s tis
Charroferu' -Any
H dffrunt
Becous<
uged t dffercont npl applicohe
i+sversatle 4
Equdvalent CK op
AV Vou
V
Rttp mhadoncg o p
Roop ompedoncA op p
Tdea op-A
u
R whaJeven ip appliebetwean VaV2
direectHy appledto op-frp.
we oPply r aoP, olp vol}age
olp voltage
03 wheneseh
() Ro
dire cHy e avai labla to L
Suppot au feuany
(V)V-o V2-o V o =0
(Vi) Slew r a r e = o
() CMRR.
op Pmp u able Fop
Slew rare-> how fast ho
teach is fina vala
Ucefuful wnon Squar woye u apphed o
op Amp
Vcat
O
ideal op Pmp should be
ade to rceah fnom
t o Va! uith'n 0 me
dao
op-Amp SR Unir
e . how
faM- the op Arnp
able
CMRR
Some volko4e apphed ip
VV V-Vz 0
V=ODv
V,-VV2 to V. A V
h o v wel the op-Amp s a,e rrejec he Comno
i voko4 appl'ed to both p texmino
e ho wo ir f able to amplify the d f fernenC
betweon two volkages.
A diffevcoh hol Y
CA4PR CMRR Ac Co mmm mude
oo op-Arr Chara Chori h
in fntte ihe don U M M
oro Cimpedona
in himre open loop Gain
10
hN V-O few m
(ottes vello)
infiire Bw SR Se O V/us
Crmpe 90 d
nfnire CMRR
Voat
H3h gan dfterenhal ampli fen
Even t f applied mal V O p Soturnared owaIde
iasing ponr
er Vsat40 v A10
AO
6 1 0 euw
10RN
. Ophrnp ger galurrated whon difforenh'a p 4o
So
So, wheh op-amp csed a ampien
we have to se 'n ean rNN
Neneverc p Arnp u weden OL
ConFaumoHm,
he this inean ronge ti veruy mal
-e. en if we wank D e This - Pmp )
amp hen tn linean reom
we have to ome hotd Comtol the gouN
this (Can be achieveo by feedlbock
oa feedbocr
ve FB -Ye 3
Arrochon olp volBoa >nactim tolp volage
S geting odded 4o is
eting odded t The
non-in ver+ng 'p invenhng erJmiNa
this leods canstabili+
So ConE u s positve F
abne
Nos Therze arto3 wye giveny p op-hrnp 9
ve fe edbock
i P +ve
anND ve
GND +Ve
S+Ye
ve
CaseL
M
M-
Vin Vo
Tn verctng op- frvp onautat
Virctual anoun
Appli'colhle mly fon
-Ve FR
Ler
Vour AVa
hrDUgh hi's ve fB we are ontioll'ng 1he
Olp volk0 Such a uay hnt /r volkrge c
les hon Solo7o}i°n Vetaae
So ha we cn Coy, IF oponabng tn incan
ncanL
esi,
Ler aKume ocut 4o v
Va 1 C o UN
SmoI volae
Neiee
NOV
V -V. ov
V V - a soum po tental.
there is
virtuo shott
this a be ween
termna.
V=0V V =ov
ealud Vittna
Cald Viyua GN)
N).
Nor Gn! D rialy
buu- acF as Virntuoy GNlp.
- V2 FB, en s u r thof tme differenu bet? inverrth
and non inveUng IS
vesy mul we Con sy
hot 243 amost ne9ligbt Because That we
Con conti den bom ilp at
Some Poten tial.
"Viktna short
Expraesom be V, Vin
R W
M
Vin Vo
Op-Armp doen' drauw any urrrent
-ov O-Vo
R
PAL
Vo
R
Ven
Clogadloop ve slgn
ouin 80 Pho Shifr
A
olp
As ne olp
amplAad
inyerted
Cale os
inverepng Amp fen
K A P
V 2V
Caw
R
MM.
Ra
M
Vx
Vo
Vin
enterran1
to pp-Pn
Vx V Ra
R4R
frem Virctna hort
VxVt
Rt R
R
Vin
Re K
P4 4K
A 3
ame pnK
ompli f'ed
Some phas
nvern en inverthns
80
( phae differen c
() impednc
MM
Vin
No
in
Vin
AM-
M
V Vi
in
tney Tha enswres hout
Any ck4, wheneMen Zn=
Sounce mat 8 Comneked to
oaded.
Voct
fnom Vircha &hort V= V
VoutV
. ced oR buffer
USinghS baffn ckF we coh isolare diff ck
CKH CK
nveyting Summin mplten
M
M.
7
MMY
1 t
- Vo
V Ve V
V Pv
Owr AV,+BV2tCV
i4 Rat P t K if PP R R
Pa
PRR
- (V+V23)
Sco Vout
Adden
venagn
-
V, tV2 + Va)
Vatt
mo. p vottay
nplea
Non- inverchng Cumming AmpliFen
R
M-
M
Vo
V, NM-
M-
Pa
Vel
V, achng alone
V.
Ctn alova
V M
PaPa
v-VV, PaVt
Pa V Pa Va
Vou PA PP
P P R K& R RA
out
Our
V V2
ve a neninvestkaR rminal
analysis CA be ompl'ocated
M
M A
V M-
V M-
AM
M-
dus M V
P
M Ve
R R =R
+ R/)T
DifferontaAplife
c-Prmp ampifes the fcrconco beluen h both p.
when ophm uged OL Conqunabom
Ip batunatid becou nih a
avond tn's> we uRcp-Arrp feodhoCK
MM
MI
KCVa- )
UA Cupenoih
V, alon Ro
ML
No PA
V akn
MM-
M.
Von -(1+)V2
Vo Vo t o
( P) +(41 )
K (V- V,)
VeutVout VV
R Rt
thistlon nesded
MM
R
V M-
V2 M
iValona
4RA
Vout
R+ P
PA
Consdorun bm
Noux ( PA
V V,
Po
RA (YVa
Ntunoruca
K
M
N M
MA
Vout
Ang
-to
OR 1 + 5 ) VT
T
(6
-10 + 16 6V
Vouur
