Datasheet

DAC101C081, DAC101C081Q, DAC101C085
www.ti.com SNVS801A –APRIL 2012–REVISED MARCH 2013
AC and Timing Characteristics (continued)
The following specifications apply for V
A
= +2.7V to +5.5V, V
REF
= V
A
, R
L
= Infinity, C
L
= 200 pF to GND. Boldface limits
apply for T
MIN
≤ T
A
≤ T
MAX
and all other limits are at T
A
= 25°C, unless otherwise specified.
Units
Symbol Parameter Test Conditions
(1)
Typ
(2)
Limits
(1)(2)
(Limits)
Standard Mode 1000 ns (max)
20+0.1C
b
ns (min)
Fast Mode
300 ns (max)
t
rDA
Rise time of SDA signal
10 ns (min)
High Speed Mode, C
b
= 100pF
80 ns (max)
20 ns (min)
High Speed Mode, C
b
= 400pF
160 ns (max)
Standard Mode 250 ns (max)
20+0.1C
b
ns (min)
Fast Mode
250 ns (max)
t
fDA
Fall time of SDA signal
10 ns (min)
High Speed Mode, C
b
= 100pF
80 ns (max)
20 ns (min)
High Speed Mode, C
b
= 400pF
160 ns (max)
Standard Mode 1000 ns (max)
20+0.1C
b
ns (min)
Fast Mode
300 ns (max)
t
rCL
Rise time of SCL signal
10 ns (min)
High Speed Mode, C
b
= 100pF
40 ns (max)
20 ns (min)
High Speed Mode, C
b
= 400pF
80 ns (max)
Standard Mode 1000 ns (max)
20+0.1C
b
ns (min)
Fast Mode
300 ns (max)
Rise time of SCL signal after a
t
rCL1
repeated start condition and after an
10 ns (min)
High Speed Mode, C
b
= 100pF
acknowledge bit.
80 ns (max)
20 ns (min)
High Speed Mode, C
b
= 400pF
160 ns (max)
Standard Mode 300 ns (max)
20+0.1C
b
ns (min)
Fast Mode
300 ns (max)
t
fCL
Fall time of a SCL signal
10 ns (min)
High Speed Mode, C
b
= 100pF
40 ns (max)
20 ns (min)
High Speed Mode, C
b
= 400pF
80 ns (max)
Capacitive load for each bus line (SCL
C
b
400 pF (max)
and SDA)
Fast Mode 50 ns (max)
t
SP
Pulse Width of spike suppressed
(5)(6)
High Speed Mode 10 ns (max)
Fast Mode 87 270 ns (max)
t
outz
SDA output delay (see Section 1.9)
High Speed Mode 38 60 ns (max)
(5) Spike suppression filtering on SCL and SDA will supress spikes that are less than 50ns for standard-fast mode and less than 10ns for
hs-mode.
(6) This parameter is ensured by design and/or characterization and is not tested in production.
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