www.德州仪器.com
DAC6573
SLAS402–NOVEMBER2003
timingcharacteristics(持续)
V
DD
=2.7vto5.5v,r
L
=2k
Ω
tognd;allspecifications-40
°
Cto+105
°
c,unlessotherwisespecified.
SYMBOLPARAMETERTESTCONDITIONSMINTYPMAXUNITS
Standardmode300ns
fastmode20+0.1c
B
300ns
t
FCL
FalltimeofSCLsignal
高-speedmode,c
B
=100pFmax1040ns
高-speedmode,c
B
=400pFmax2080ns
Standardmode1000ns
fastmode20+0.1c
B
300ns
t
RDA
RisetimeofSDAsignal
高-speedmode,c
B
=100pFmax1080ns
高-speedmode,c
B
=400pFmax20160ns
Standardmode300ns
fastmode20+0.1c
B
300ns
t
FDA
FalltimeofSDAsignal
高-speedmode,c
B
=100pFmax1080ns
高-speedmode,c
B
=400pFmax20160ns
standardmode4.0µs
SetuptimeforSTOP
t
SU
;t
STO
Fastmode600ns
情况
高-speedmode160ns
CapacitiveloadforSDAand
C
B
400pF
SCL
Fastmode50ns
Pulsewidthofspike
t
SP
suppressed
高-speedmode10ns
NoisemarginattheHIGHStandardmode
levelforeachconnected
Fastmode
V
NH
0.2v
DD
V
设备(包含
高-speedmode
hysteresis)
NoisemarginattheLOWStandardmode
levelforeachconnected
Fastmode
V
NL
0.1v
DD
V
设备(包含
高-speedmode
hysteresis)
5