www.德州仪器.com
lmv821single,lmv822dual,lmv824quad
低-voltagerail-至-railoutputoperationalamplifiers
SLOS434G–FEBRUARY2004–REVISEDAUGUST2005
lmv8xxi5-velectricalcharacteristics(持续)
V
CC+
=5v,v
CC–
=0v,v
IC
=2v,v
O
=2.5v,andr
L
>1m
Ω
(unlessotherwisenoted)
LMV8xxI
PARAMETERTESTCONDITIONST
一个
单位
MINTYPMAX
SRSlewrateV
CC+
=5V
(1)
25
°
c1.41.9v/
µ
s
GBWGainbandwidthproduct
(2)
25
°
c5.5mhz
Φ
m
Phasemargin
(2)
25
°
c64.2deg
Gainmargin
(2)
25
°
c8.7db
放大器-至-amplifierisolationv
CC+
=5v,r
L
=100k
Ω
to2.5v
(3)
25
°
C135dB
V
n
equivalentinputnoisevoltagef=1khz,v
IC
=1V25
°
c42nv/
√
Hz
I
n
Equivalentinputnoisecurrentf=1kHz25
°
c0.2pa/
√
Hz
f=1khz,一个
V
=–2,r
L
=10k
Ω
,
THDTotalharmonicdistortion25
°
c0.01%
V
O
=4.1v
p-p
(1)connectedasvoltagefollowerwith3-vstepinput.valuespecifiedistheslowerofthepositiveandnegativeslewrates.
(2)40-dbclosed-loopdcgain,c
L
=22pF
(3)eachamplifierexcitedinturnwith1khztoproducev
O
=3V
p-p
13
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