www.德州仪器.com
TIMINGCHARACTERISTICS
DAC6573
SLAS402–NOVEMBER2003
electricalcharacteristics(持续)
V
DD
=2.7vto5.5v,r
L
=2k
Ω
tognd;c
L
=200pftognd;allspecifications-40
°
Cto+105
°
c,unlessotherwisespecified.
PARAMETERTESTCONDITIONSMINTYPMAXUNITS
I
DD
@V
DD
=+3.6vto+5.5vv
IH
=IOV
DD
andV
IL
=gnd0.21µa
I
DD
@V
DD
=+2.7vto+3.6vv
IH
=IOV
DD
andV
IL
=gnd0.051µa
POWEREFFICIENCY
I
输出
/i
DD
I
加载
=2ma,v
DD
=+5V93%
TEMPERATURERANGE
specifiedperformance-40+105
°
C
V
DD
=2.7vto5.5v,r
L
=2k
Ω
tognd;allspecifications-40
°
Cto+105
°
c,unlessotherwisespecified.
SYMBOLPARAMETERTESTCONDITIONSMINTYPMAXUNITS
Standardmode100kHz
Fastmode400kHz
f
SCL
SCLclockfrequency
高-speedmode,c
B
=100pfmax3.4mhz
高-speedmode,c
B
=400pfmax1.7mhz
standardmode4.7µs
Busfreetimebetweena
t
BUF
STOPandSTARTcondition
fastmode1.3µs
standardmode4.0µs
holdtime(重复的)开始
t
HD
;t
STA
Fastmode600ns
情况
高-speedmode160ns
standardmode4.7µs
fastmode1.3µs
t
低
LOWperiodoftheSCLclock
高-speedmode,c
B
=100pFmax160ns
高-speedmode,c
B
=400pFmax320ns
standardmode4.0µs
Fastmode600ns
t
高
HIGHperiodoftheSCLclock
高-speedmode,c
B
=100pFmax60ns
高-speedmode,c
B
=400pFmax120ns
standardmode4.7µs
Setuptimeforarepeated
t
SU
;t
STA
Fastmode600ns
STARTcondition
高-speedmode160ns
Standardmode250ns
t
SU
;t
DAT
DatasetuptimeFastmode100ns
高-speedmode10ns
standardmode03.45µs
fastmode00.9µs
t
HD
;t
DAT
Dataholdtime
高-speedmode,c
B
=100pFmax070ns
高-speedmode,c
B
=400pFmax0150ns
Standardmode1000ns
fastmode20+0.1c
B
300ns
t
RCL
RisetimeofSCLsignal
高-speedmode,c
B
=100pFmax1040ns
高-speedmode,c
B
=400pFmax2080ns
Standardmode1000ns
RisetimeofSCLsignalafter
fastmode20+0.1c
B
300ns
arepeatedSTARTcondition
t
RCL1
andafteranacknowledge
高-speedmode,c
B
=100pFmax1080ns
位
高-speedmode,c
B
=400pFmax20160ns
4
: 点此下载
