www.德州仪器.com
ELECTRICALCHARACTERISTICS
DAC6573
SLAS402–NOVEMBER2003
V
DD
=2.7vto5.5v,r
L
=2k
Ω
tognd;c
L
=200pftognd;allspecifications-40
°
Cto+105
°
c,unlessotherwisespecified.
PARAMETERTESTCONDITIONSMINTYPMAXUNITS
STATICPERFORMANCE
(1)(2)
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
±
3ppmoffsr/
°
C
OUTPUTCHARACTERISTICS
(3)
Outputvoltagerange0V
REF
HV
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-analogglitchimpulse1lsbchangearoundmajor12nv-s
carry
digitalfeedthrough0.3nv-s
dcoutputimpedance1
Ω
短的-circuitcurrentv
DD
=5V50mA
V
DD
=3V20mA
电源-uptimecomingoutofpower-down2.5µs
模式,v
DD
=+5V
comingoutofpower-down5µs
模式,v
DD
=+3V
REFERENCEINPUT
V
REF
HInputrange0V
DD
V
V
REF
LInputrangeV
REF
l<v
REF
H0GNDV
DD
/2v
Referenceinputimpedance25k
Ω
ReferencecurrentV
REF
=V
DD
=+5V185260µA
V
REF
=V
DD
=+3V122200
LOGICINPUTS
(3)
Inputcurrent
±
1µA
V
在_l
,inputlowvoltage0.3xiov
DD
V
V
在_h
,inputhighvoltage0.7xiov
DD
V
PinCapacitance3pF
POWERREQUIREMENTS
V
DD
,iov
DD
2.75.5v
I
DD
(normaloperation),includingreferencecurrentexcludingloadcurrent
I
DD
@V
DD
=+3.6vto+5.5vv
IH
=IOV
DD
andV
IL
=GND600900µA
I
DD
@V
DD
=+2.7vto+3.6vv
IH
=IOV
DD
andV
IL
=GND500750µA
I
DD
(allpower-downmodes)
(1)linearitytestedusingareducedcoderangeof12to1012;outputunloaded.
(2)v
REF
H=V
DD
-0.1,v
REF
L=GND
(3)specifiedbydesignandcharacterization,notproductiontested.
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