www.德州仪器.com
DAC7571
SLAS374A–FEBRUARY2003–REVISEDJANUARY2004
electricalcharacteristics(持续)
V
DD
=+2.7vto+5.5v;r
L
=2k
Ω
tognd;c
L
=200pftognd;allspecifications-40
°
Cto+105
°
cunlessotherwisenoted.
DAC7571
PARAMETERCONDITIONSUNITS
MINTYPMAX
全部-scaleerrorallonesloadedtodacregister-0.15-1.25%offsr
Gainerror
±
1.25%offsr
Zerocodeerrordrift
±
7µv/
°
C
Gaintemperaturecoefficient
±
3ppmoffsr/
°
C
OUTPUTCHARACTERISTICS
(2)
Outputvoltagerange0V
DD
V
outputvoltagesettlingtime1/4scaleto3/4scalechange(400
H
toC00
H
)810µs
slewrate1v/µs
R
L
=
∞
470pF
Capacitiveloadstability
R
L
=2k
Ω
1000pF
codechangeglitchimpulse1lsbchangearoundmajorcarry20nv-s
digitalfeedthrough0.5nv-s
DCoutputimpedance1
Ω
V
DD
=+5V50mA
短的-circuitcurrent
V
DD
=+3V20mA
comingoutofpower-downmode,v
DD
=+5v2.5µs
电源-uptime
comingoutofpower-downmode,v
DD
=+3V5µs
LOGICINPUTS
(3)
Inputcurrent
±
1µA
V
在
l,inputlowvoltagev
DD
=+3v0.3
×
V
DD
V
V
在
h,inputhighvoltagev
DD
=+5v0.7
×
V
DD
V
Pincapacitance3pF
POWERREQUIREMENTS
V
DD
2.75.5v
I
DD
(normaloperation)dacactiveandexcludingloadcurrent
V
DD
=+3.6vto+5.5vv
IH
=V
DD
andV
IL
=GND135200µA
V
DD
=+2.7vto+3.6vv
IH
=V
DD
andV
IL
=GND115160µA
I
DD
(allpower-downmodes)
V
DD
=+3.6vto+5.5
V
IH
=V
DD
andV
IL
=gnd0.21µa
V
V
DD
=+2.7vto+3.6vv
IH
=V
DD
andV
IL
=gnd0.051µa
POWEREFFICIENCY
I
输出
/i
DD
I
加载
=2ma,v
DD
=+5V93%
(2)specifiedbydesignandcharacterization,notproductiontested.
(3)specifiedbydesignandcharacterization,notproductiontested.
3
: 点此下载
