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electricalcharacteristics(持续)
DAC7558
SLAS435–MAY2005
V
DD
=2.7vto5.5v,vref=vdd,r
L
=2k
Ω
tognd;c
L
=200pftognd;allspecifications–40°cto105°c,除非
otherwisespecified
PARAMETERTESTCONDITIONSMINTYPMAXUNITS
POWERREQUIREMENTS
V
DD
,iov
DD
(1)
2.75.5v
I
DD
(normaloperation)dacactiveandexcludingloadcurrent
V
DD
=3.6vto5.5v1.11.8ma
V
IH
=IOV
DD
andV
IL
=GND
V
DD
=2.7vto3.6v11.7
I
DD
(allpower-downmodes)
V
DD
=3.6vto5.5vv
IH
=IOV
DD
andV
IL
=gnd0.22µa
V
DD
=2.7vto3.6v0.052
POWEREFFICIENCY
I
输出
/i
DD
I
加载
=2ma,v
DD
=5V93%
(1)iov
DD
operatesdownto1.8vwithslightlydegradedtiming,aslongasv
IH
=IOV
DD
andV
IL
=地.
4