www.德州仪器.com
lmv821single,lmv822dual,lmv824quad
低-voltagerail-至-railoutputoperationalamplifiers
SLOS434G–FEBRUARY2004–REVISEDAUGUST2005
lmv8xx2.7-velectricalcharacteristics(持续)
V
CC+
=2.7v,v
CC–
=0v,v
IC
=1v,v
O
=1.35v,andr
L
>1m
Ω
(unlessotherwisenoted)
LMV8xx
PARAMETERTESTCONDITIONST
一个
单位
MINTYPMAX
SRSlewrate
(1)
25
°
c1.7v/
µ
s
GBWGainbandwidthproduct
(2)
25
°
C5MHz
Φ
m
Phasemargin
(2)
25
°
C60deg
Gainmargin
(2)
25
°
c8.6db
放大器-至-amplifierisolationv
CC+
=5v,r
L
=100k
Ω
to2.5v
(3)
25
°
C135dB
V
n
equivalentinputnoisevoltagef=1khz,v
IC
=1V25
°
c45nv/
√
Hz
I
n
Equivalentinputnoisecurrentf=1kHz25
°
c0.18pa/
√
Hz
f=1khz,一个
V
=–2,r
L
=10k
Ω
,
THDTotalharmonicdistortion25
°
c0.01%
V
O
=4.1v
p-p
(1)connectedasvoltagefollowerwith1-vstepinput.valuespecifiedistheslowerofthepositiveandnegativeslewrates.
(2)40-dbclosed-loopdcgain,c
L
=22pF
(3)eachamplifierexcitedinturnwith1khztoproducev
O
=3V
p-p
7