DAC7553IRGTT_集成电路资料查询网

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产品 预告(展)
ELECTRICALCHARACTERISTICS
DAC7553
SLAS477–AUGUST2005
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
STATICPERFORMANCE
(1)
Resolution12Bits
relativeaccuracy±0.35±1lsb
differentialnonlinearityspecifiedmonotonicbydesign±0.08±0.5lsb
Offseterror±12mV
零-scaleerrorallzeroesloadedtodacregister±12mv
gainerror±0.15%fsr
全部-scaleerror±0.5%fsr
零-scaleerrordrift7µv/°c
gaintemperaturecoefficient3ppmoffsr/°c
PSRRV
DD
=5v0.75mv/v
OUTPUTCHARACTERISTICS
(2)
Outputvoltagerange0VREFV
OutputvoltagesettlingtimeR
L
=2k
Ω
;0pf<c
L
<200pf5µs
slewrate1.8v/µs
CapacitiveloadstabilityR
L
=
∞
470
pF
R
L
=2k
Ω
1000
数字的-至-analogglitchimpulse1lsbchangearoundmajorcarry0.1nv-s
频道-至-channelcrosstalk1-khzfull-scalesinewave,–100db
outputsunloaded
digitalfeedthrough0.1nv-s
outputnoisedensity(10-khzoffsetfre-120nv/rthz
quency)
TotalharmonicdistortionF
输出
=1khz,f
S
=1msps,–85db
BW=20kHz
DCoutputimpedance1
Ω
短的-circuitcurrentv
DD
=5V50
毫安
V
DD
=3V20
电源-uptimecomingoutofpower-downmode,15
V
DD
=5V
µs
comingoutofpower-downmode,15
V
DD
=3V
REFERENCEINPUT
VREFInputrange0V
DD
V
ReferenceinputimpedanceV
REF
AandV
REF
Bshortedtogether50k
Ω
V
REF
A=V
REF
B=V
DD
=5v,100250
V
REF
AandV
REF
Bshortedtogether
ReferencecurrentµA
V
REF
A=V
REF
B=V
DD
=3v,60123
V
REF
AandV
REF
Bshortedtogether
LOGICINPUTS
(2)
Inputcurrent±1µA
V
在_l
,inputlowvoltageiov
DD
≥
2.7v0.3iov
DD
V
V
在_h
,inputhighvoltageiov
DD
≥
2.7v0.7iov
DD
V
Pincapacitance3pF
(1)linearitytestedusingareducedcoderangeof30to4065;outputunloaded.
(2)specifiedbydesignandcharacterization,notproductiontested.for1.8v<iov
DD
<2.7v,itisrecommendedthat
V
IH
=IOV
DD
,v
IL
=地.
3

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www.德州仪器.com 产品预告(展) ELECTRICALCHARACTERISTICS DAC7553 SLAS477–AUGUST2005 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 STATICPERFORMANCE (1) Resolution12Bits relativeaccuracy±0.35±1lsb differentialnonlinearityspecifiedmonotonicbydesign±0.08±0.5lsb Offseterror±12mV 零-scaleerrorallzeroesloadedtodacregister±12mv gainerror±0.15%fsr 全部-scaleerror±0.5%fsr 零-scaleerrordrift7µv/°c gaintemperaturecoefficient3ppmoffsr/°c PSRRV DD =5v0.75mv/v OUTPUTCHARACTERISTICS (2) Outputvoltagerange0VREFV OutputvoltagesettlingtimeR L =2k Ω ;0pf<c L <200pf5µs slewrate1.8v/µs CapacitiveloadstabilityR L = ∞ 470 pF R L =2k Ω 1000 数字的-至-analogglitchimpulse1lsbchangearoundmajorcarry0.1nv-s 频道-至-channelcrosstalk1-khzfull-scalesinewave,–100db outputsunloaded digitalfeedthrough0.1nv-s outputnoisedensity(10-khzoffsetfre-120nv/rthz quency) TotalharmonicdistortionF 输出 =1khz,f S =1msps,–85db BW=20kHz DCoutputimpedance1 Ω 短的-circuitcurrentv DD =5V50 毫安 V DD =3V20 电源-uptimecomingoutofpower-downmode,15 V DD =5V µs comingoutofpower-downmode,15 V DD =3V REFERENCEINPUT VREFInputrange0V DD V ReferenceinputimpedanceV REF AandV REF Bshortedtogether50k Ω V REF A=V REF B=V DD =5v,100250 V REF AandV REF Bshortedtogether ReferencecurrentµA V REF A=V REF B=V DD =3v,60123 V REF AandV REF Bshortedtogether LOGICINPUTS (2) Inputcurrent±1µA V 在_l ,inputlowvoltageiov DD ≥ 2.7v0.3iov DD V V 在_h ,inputhighvoltageiov DD ≥ 2.7v0.7iov DD V Pincapacitance3pF (1)linearitytestedusingareducedcoderangeof30to4065;outputunloaded. (2)specifiedbydesignandcharacterization,notproductiontested.for1.8v<iov DD <2.7v,itisrecommendedthat V IH =IOV DD ,v IL =地. 3

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