www.德州仪器.com
ELECTRICALCHARACTERISTICS
DAC6574
SLAS408–DECEMBER2003
V
DD
=2.7vto5.5v,r
L
=2k
Ω
tognd;c
L
=200pftognd;allspecifications-40
°
Cto+105
°
c,unlessotherwisespecified.
PARAMETERTESTCONDITIONSMINTYPMAXUNITS
STATICPERFORMANCE
(1)
Resolution10Bits
Relativeaccuracy
±
0.5
±
2LSB
DifferentialnonlinearitySpecifiedmonotonicbydesign
±
0.1
±
0.5lsb
零-scaleerror520mv
全部-scaleerror-0.15
±
1.0%offsr
Gainerror
±
1.0%offsr
Zerocodeerrordrift
±
7µv/
°
C
Gaintemperaturecoefficient
±
3ppmof
fsr/
°
C
OUTPUTCHARACTERISTICS
(2)
Outputvoltagerange0V
DD
V
outputvoltagesettlingtime(fullscale)r
L
=
∞
;0pf<c
L
<200pf79µs
R
L
=
∞
;c
L
=500pF12µs
slewrate1v/µs
dccrosstalk(频道-至-频道)0.01lsb
accrosstalk(频道-至-频道)1khzsinewave-100db
CapacitiveloadstabilityR
L
=
∞
470pF
R
L
=2k
Ω
1000pF
数字的-至-analogglitchimpulse1lsbchangearoundmajorcarry12nv-s
digitalfeedthrough0.3nv-s
DCoutputimpedance1
Ω
短的-circuitcurrentv
DD
=5V50mA
V
DD
=3V20mA
电源-uptimecomingoutofpower-downmode,2.5µs
V
DD
=+5V
comingoutofpower-downmode,5µs
V
DD
=+3V
LOGICINPUTS
(2)
Inputcurrent
±
1µA
V
在_l
,inputlowvoltage0.3xv
DD
V
V
在_h
,inputhighvoltagev
DD
=3v0.7xv
DD
V
PinCapacitance3pF
POWERREQUIREMENTS
V
DD
2.75.5v
I
DD
(normaloperation),includingreferencecurrentexcludingloadcurrent
I
DD
@V
DD
=+3.6vto+5.5vv
IH
=V
DD
andV
IL
=GND600900µA
I
DD
@V
DD
=+2.7vto+3.6vv
IH
=V
DD
andV
IL
=GND500750µA
I
DD
(allpower-downmodes)
I
DD
@V
DD
=+3.6vto+5.5vv
IH
=V
DD
andV
IL
=gnd0.21µa
I
DD
@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%
TEMPERATURERANGE
specifiedperformance-40+105
°
C
(1)linearitytestedusingareducedcoderangeof12to1012;outputunloaded.
(2)specifiedbydesignandcharacterization,notproductiontested.
3