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产品 预告(展)
DAC7553
SLAS477–AUGUST2005
electricalcharacteristics(持续)
V
DD
=2.7vto5.5v,v
REF
=V
DD
,r
L
=2k
Ω
tognd;c
L
=200pftognd;allspecifications–40°cto105°c,unlessotherwise
指定
PARAMETERTESTCONDITIONSMINTYPMAXUNITS
POWERREQUIREMENTS
V
dd,
,iov
DD
(3)
2.75.5v
I
DD
(normaloperation)dacactiveandexcludingloadcurrent
V
DD
=3.6vto5.5v300440
V
IH
=IOV
DD
andV
IL
=GNDµA
V
DD
=2.7vto3.6v250400
I
DD
(allpower-downmodes)
V
DD
=3.6vto5.5v0.22
V
IH
=IOV
DD
andV
IL
=GNDµA
V
DD
=2.7vto3.6v0.052
POWEREFFICIENCY
I
输出
/i
DD
I
加载
=2ma,v
DD
=5V93%
(3)iov
DD
operatesdownto1.8vwithslightlydegradedtiming,aslongasv
IH
=IOV
DD
andV
IL
=地.
4